Journal articles: 'Wood waste'

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Naim, Sultono Bin, and Asep Ahmad Ruri Irwanto. "MAKING SILL TABLE WITH THE MATERIAL OF WOOD WASTE AND RESIN." Journal of Architectural Research and Education 2, no. 2 (December 18, 2020): 198–206. http://dx.doi.org/10.17509/jare.v2i2.29516.

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ABSTRACT – The activity of workshop practicum construction materials-based, Construction Engineering of Civil Engineering Education Department’s Workshop, produces wastes such as woods pieces, sawdust, galvanized pipe pieces/PVC that are still not able to utilized maximally. Every semester, yield of the practicum activity becomes waste. The research making table from wood waste and resin is one of solution and innovation to utilize the waste to become having more economic values. In the previous study, with physical and mechanical test, it could be found that the tighter the assembly of wood waste, the stronger its capability to hold its tensile force.This research used qualitative method. From the supervising of the steps of making sill table from the material of wood waste and resin, there is one type of sill table which was implemented in this research, it is split the wood waste into elongated. This research was done by three times trials with different kinds formula of resin and catalyst.The result of this research is the steps and formula of the volume comparison of resin and catalyst to make sill table from waste and resin that could be a learning guidance for woods construction practice subject and interior finishing practice subject in Construction Engineering Education Study Program and giving solution as a form of responsibility for waste handling. Keywords: Wood waste, Table, Resin.

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Hajad, Makbul, Sugeng Harianto, Joko Nugroho Wahyu Karyadi, Adhi Irianto Mastur, Muhammad Khais Prayoga, Heri Syahrian Khomaen, Elaine Faustine, et al. "Potential and Characteristic of Biomass Pellet from Tea Plantation Wastes as Renewable Energy Alternative." Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 12, no. 3 (September 1, 2023): 619. http://dx.doi.org/10.23960/jtep-l.v12i3.619-631.

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Tea plantation biomass wastes, such as tea plantation pruning, shade trees, and woody weeds have not been utilized. The waste can be used as renewable energy in the form of wood pellets. The problem is the feasibility of biomass waste to be used as material for making wood pellets as energy. This paper aims to analyze the potential of tea plantation biomass waste as wood pellet material to meet energy needs. The research was conducted in a tea plantation owned by the Tea and Kina Research Center (PPTK). Quantification of biomass waste potential per unit area was conducted in the plantation using direct measurement method. Proximate analysis of each wood pellet variant of biomass waste was conducted to match the quality of Indonesian Wood Pellet Standard. The biomass waste potential in PPTK is 14,281 tons per year which can produce 8,186 tons of wood pellets per year. This potential can meet the needs of wood pellet consumption from the tea production process at PPTK which is around 1.8 tons / day for the tea processing process of 13 tons/day. Based on proximate analysis, the wood pellets produced have a calorific value of 4425 cal/gram, density of 1.35 grams/cm3, fixed carbon content of 85.2%, and volatile matter of 3.72%. These results confirm that the wood pellets comply with the National Wood Pellet Standard (SNI 8021:2014). This can be a model for the application of the Green Circular Economy concept in the plantation sector. Keywords: Biomass pellets; Green circular economy; Renewable energy; Tea plantation waste; Wood pellets

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Vachnina, T. N., I. V. Susoeva, A. A. Titunin, and S. V. Tsybakin. "Unused Plant Waste and Thermal Insulation Composition Boards on their Basis." Key Engineering Materials 887 (May 2021): 480–86. http://dx.doi.org/10.4028/www.scientific.net/kem.887.480.

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Many plant wastes are not currently used in production, they are disposed of in landfills or incinerated. The aim of this study is to develop a composite thermal insulation material from unused spinning waste of flax and cotton fibers and soft wood waste. Samples of thermal insulation materials from plant waste were made by drying using the technology of production of soft wood fiber boards. For composite board defined physico-mechanical characteristics and thermal conductivity. The experiment was carried out according to a second-order plan, regression models of the dependences of the material indicators on the proportion of the binder additive, drying temperature and the proportion of wood waste additives were developed. The study showed that composites from unused spinning waste of plant fibers and soft wood waste have the necessary strength under static bending, the swelling in thickness after staying in water is much lower in comparison with the performance of boards from other plant fillers. The coefficient of thermal conductivity of the boards is comparable with the indicator for mineral wool boards.

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Venner, Kirsty, Caroline Preston, and Cindy Prescott. "Characteristics of wood wastes in British Columbia and their potential suitability as soil amendments and seedling growth media." Canadian Journal of Soil Science 91, no. 1 (February 2011): 95–106. http://dx.doi.org/10.4141/cjss09109.

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Venner, K. H, Preston, C. M. and Prescott, C. E. 2011. Characteristics of wood wastes in British Columbia and their potential suitability as soil amendments and seedling growth media. Can. J. Soil Sci. 91: 95–106. In British Columbia, alternative uses for poor-quality wood-waste fines (approximately 50 mm or less) are being sought to replace traditional methods of disposal, including landfilling and burning without energy recovery. As a complement to associated field trials to assess the potential suitability of woody wastes as soil amendments, we determined chemical, physical and spectroscopic characteristics of a variety of wood wastes, co-composts and wood chips and carried out a plant (Betula papyrifera) bioassay. Chemical properties and 13C NMR spectra indicated similarity to other woody wastes, and suitability for site rehabilitation if applied under conditions to avoid excessive leachate. Seedlings grew poorly in the wood waste materials (final height <4 cm), except for co-composts prepared with municipal biosolids (final height 93 cm). Seedlings also grew poorly in wood chips unless fertilizer was added, indicating that nutrient deficiencies were the primary cause of the poor growth in wood chips. Even with nutrient addition, seedling growth was low in the finest wood chips (<10 mm), probably as a consequence of retention of excessive moisture. This problem could be overcome by applying larger particles or by incorporating the wood chips into soil rather than leaving them as a surface mulch. In conjunction with results from field trials, these results support the application of woody wastes for site rehabilitation, where in situ mixing with mineral soil should reduce bulk density and improve water-holding capacity, and fertilization can compensate for N immobilization by wastes with high C:N ratios.

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Berger, F., F. Gauvin, and H. J. H. Brouwers. "The recycling potential of wood waste into wood-wool/cement composite." Construction and Building Materials 260 (November 2020): 119786. http://dx.doi.org/10.1016/j.conbuildmat.2020.119786.

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Owoyemi, Jacob Mayowa, Habeeb Olawale Zakariya, and Isa Olalekan Elegbede. "Sustainable wood waste management in Nigeria." Environmental & Socio-economic Studies 4, no. 3 (September 1, 2016): 1–9. http://dx.doi.org/10.1515/environ-2016-0012.

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Abstract Wood industries produce large volumes of residues which must be utilized, marketed or properly disposed of. Heaps of wood residues are common features in wood industries throughout the year. In Nigeria, this residue is generally regarded as waste and this has led to open burning practices, dumping in water bodies or dumping in an open area which constitutes environmental pollution. Sawmills in Nigeria generated over 1,000,000 m3 of wood waste in 2010 while about 5000 m3 of waste was generated in plywood mills. Nigeria generates about 1.8 million tons of sawdust annually and 5.2 million tons of wood wastes. The impact of improper disposal of waste wood on the environment affects both the aquatic and terrestrial ecosystems. Also burning of waste wood releases greenhouse gases into the atmosphere causing various health issues. Reuse/recycling of these wood residues in Nigeria will reduce the pressure on our ever decreasing forests, reduce environmental pollution, create wealth and employment. The literature available on this subject was reviewed and this article, therefore, focuses on the various methods of wood waste disposal and its utilization in Nigerian wood industries, the effects of wood waste on the environment as well as on human health and the benefits of proper wood waste management practices.

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Ilyushenko, D. A., V. A. Markov, V. A. Sokolova, and V. A. Kalyashov. "Improving the use of wood waste." E3S Web of Conferences 193 (2020): 02008. http://dx.doi.org/10.1051/e3sconf/202019302008.

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On the territory of our country, including St. Petersburg and the Leningrad Region, there are a large number of enterprises engaged in the processing of wood for various purposes, among which, to a large extent, there are enterprises involved in the primary processing of wood in sawmills. The resulting wood waste from bark and sawdust, in most enterprises, lead to rotting processes. The issue of the utilization of these wastes in practice can increase the production culture, increase the amount of recyclable waste from a timber processing enterprise and, thus, increase its efficiency. The article describes a mathematical model for the dynamic compaction of ground wood bark with the aim of producing fuel briquettes of their debarking waste.

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Oleńska, Sylwia, and Justyna Biernacka. "Management of post-production wood waste in the aspect of circular economy." Annals of WULS, Forestry and Wood Technology 115 (September 26, 2021): 95–100. http://dx.doi.org/10.5604/01.3001.0015.6623.

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Management of post-production wood waste in the aspect of circular economy. Sustainable resource management involves turning waste into resources. The estimation of various waste streams and their potential use as secondary raw materials underlies the circular economy. The management of wood waste in terms of the Circular Economy should assume material use of this waste before energy use. One of the possibilities of material management of this waste is the use of biological treatment through composting. Input materials for the composting process should have technological and physical-chemical characteristics, respectively. The aim of this study was to characterize the wood raw material (wood waste as a by-product) and qualify it for the composting process on the basis of its composition. Based on the literature research, it was found that there is possibility of using these wastes for management through biological disposal. The obtained composts from wood waste can be used as a raw material to supply the soil with humic substances and mineral compounds.

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Komorowicz, Magdalena, Dominika Janiszewska, Hanna Wróblewska, and Kinga Stuper-Szablewska. "Management of post-production wood waste in the aspect of circular economy." Annals of WULS, Forestry and Wood Technology 115 (September 26, 2021): 72–76. http://dx.doi.org/10.5604/01.3001.0015.5967.

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Management of post-production wood waste in the aspect of circular economy. Sustainable resource management involves turning waste into resources. The estimation of various waste streams and their potential use as secondary raw materials underlies the circular economy. The management of wood waste in terms of the Circular Economy should assume material use of this waste before energy use. One of the possibilities of material management of this waste is the use of biological treatment through composting. Input materials for the composting process should have technological and physical-chemical characteristics, respectively. The aim of this study was to characterize the wood raw material (wood waste as a by-product) and qualify it for the composting process on the basis of its composition. Based on the literature research, it was found that there is possibility of using these wastes for management through biological disposal. The obtained composts from wood waste can be used as a raw material to supply the soil with humic substances and mineral compounds.

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Yeon, Jun Oh, and Kyoung Woo Kim. "Analysis of Absorption Coefficient for Eco-Friendly Acoustical Absorbers." Advanced Materials Research 831 (December 2013): 58–61. http://dx.doi.org/10.4028/www.scientific.net/amr.831.58.

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Primarily used for domestic buildings as a sound absorber are glass wool, rock wool, etc. These absorbers as well as waste absorber created by recycling wastes, PP+PET fiber absorber made from polypropylene and polyester, wood wool board bonded with finely sliced roots of trees and foamed aluminum absorber are recyclable eco-friendly absorbers that are constantly being developed. In this study, we compared the sound absorption performance of currently used absorbers and eco-friendly building absorbers. As a result, the NRC (Noise Reduction Coefficient) was found to be 0.85 for glass wool, 0.95 for rock wool, and 0.70 for polyester, 0.65 for waste absorber, 0.75 for PET+ PP fiber absorber, 0.40 for wood wool board, and 0.75 for foamed aluminum absorber. Based on the results of these absorption coefficients, we expect the usability of the absorbers continues to increase as future eco-friendly building absorbers.

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YAMADA, Masaru, and Atsuhiro HONDA. "Recycling concrete waste wood." Journal of Environmental Conservation Engineering 18, no. 4 (1989): 210–14. http://dx.doi.org/10.5956/jriet.18.210.

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Brožek, M., A. Nováková, and M. Kolářová. "Quality evaluation of briquettes made from wood waste." Research in Agricultural Engineering 58, No. 1 (March 15, 2012): 30–35. http://dx.doi.org/10.17221/33/2011-rae.

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At logging and at the subsequent wood and wood semi-products treatment the fine grained loose waste arises, e.g. wood dust, saw dust, shavings, chips, bark etc. One of possibilities of its meaningful utilization is the briquetting technology, products of which are briquettes determined for energetic utilization (combustion). In the paper the experimental results are published. The briquettes quality evaluation was their aim. For the briquetting tests bark (pine), shavings (about 90% spruce + 10% pine), sawdust (spruce), birch chips and poplar chips were used. The basic physical-mechanical properties were the evaluation criteria. Following properties were determined: gross calorific value, total moisture content, density, rupture force, length, diameter, density and mechanical durability.

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Jetsu, Petri, Markku Vilkki, and Ismo Tiihonen. "Utilization of demolition wood and mineral wool wastes in wood-plastic composites." Detritus, no. 10 (March 5, 2020): 19–25. http://dx.doi.org/10.31025/2611-4135/2020.13916.

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Wood and mineral wool fractions from demolished buildings were sorted into different categories and processed to the suitable grain size needed for the manufacturing of wood-plastic composites. Processed construction and demolition waste materials mixed with plastics and additives were extruded into hollow test bars using a conical rotary extruder. Test specimens needed for measurements were cut from test bars. The results showed that the mechanical performance of wood-plastic composites based on construction and demolition waste wood, and mineral wool was at a good level and comparable to commonly used wood-plastic composites in decking applications. The highest strength properties of wood-plastic composites were achieved with a plywood fraction and the lowest with materials containing a particle/fibre board fraction. The mechanical performance can be improved by utilizing mineral wool in the formulation of wood-plastic composites. A material mixture containing several wood fractions as well as mineral wool also gave good strength properties. Only a minor reduction in strength properties was measured when recycled plastic was utilized meaning that wood-plastic composites suitable for many types of applications can be produced entirely from recycled materials.

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Malinowski, Ryszard, Edward Meller, Ireneusz Ochmian, Katarzyna Malinowska, and Monika Figiel-Kroczyńska. "Chemical Composition of Industrial Wood Waste and the Possibility of its Management." Civil and Environmental Engineering Reports 32, no. 4 (December 1, 2022): 167–83. http://dx.doi.org/10.2478/ceer-2022-0051.

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Abstract Organic wood waste (sawdust, shavings, pieces of wood and bark), is widely used as a secondary raw material and, after composting, for soil fertilisation and substrate production in agriculture, horticulture, forestry, urban landscaping and rehabilitation of degraded land. However, problematic to process is wood waste that is very dirty with soil. They have limited calorific value and cannot be used in the R10 recovery process of land treatment benefiting agriculture or improving the environment. However, the morphological composition of these wastes indicates that they have good properties and can be used for agricultural use and for the reclamation of degraded land. The research involved wood waste with the code 03 01 99 (other unspecified waste from wood processing and the production of panels and furniture) generated during the preparation of deciduous tree logs for the veneer production process, and ashes from the burning of wood waste generated in the veneer production factory. The aim of the study was to assess the chemical composition of these wastes and the possibility of their agricultural use. In the samples of wood waste and ashes there was determined: pH; chlorines content; conductivity; hydrolytic acidity; content of micro and macroelements and heavy metals. The morphological composition of the waste is dominated by sawdust, with a smaller share of shavings, bark and earth parts, and a small addition of pieces of wood of various sizes. It is rich in easily bioavailble as well as total macroelements and is not contaminated with heavy metals. Analyzed wood waste has deacidifying properties, high sorption and buffering capacity. Studies have shown that the wood waste produced at the veneer factory, can be used as an organic fertiliser, a component of other organic fertilisers, for soil mulching, horticultural substrate and soil and land reclamation.The ash obtained from burning wood is strongly alkaline and rich in alkaline cations, mainly Ca, Mg and K. It is not contaminated with heavy metals. The ash can be used for soil deacidification and fertilization, especially for soil reclamation. The waste from the heap can be used as an organic fertilizer, a component of other organic fertilizers, for mulching soils and as a gardening substrate. However, the possibilities for non-agricultural (e.g.: for the production of pallet, particle board) use are limited due to the high proportion of earthy parts.

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Yakovleva, E., and E. Titova. "Recycling of forestry waste." IOP Conference Series: Earth and Environmental Science 875, no. 1 (October 1, 2021): 012045. http://dx.doi.org/10.1088/1755-1315/875/1/012045.

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Abstract The article examines the current state of wood waste recycling in the interests of ensuring sustainable development and minimizing the impact on climate change. Classification of wood waste based on the stage of the life cycle of a wood product has been carried out. The problem of organization of wood waste disposal and processing is relevant both directly in the forest industry and in the process of using wood since this leads to the preservation of primary wood material and significantly reduces the volume of deforestation. During the study methods of wood waste recycling and options for complex recycling have been identified. A wood waste recycling scheme which includes such stages as collecting wood waste, deep wood processing and involvement in secondary circulation has been developed. An econometric analysis of correlation between current environmental costs and indicators of economic activity associated with the use of wood waste on innovative basis has been carried out. It has been concluded that there is a tight relationship between the costs of environmental protection and the selected factors. The research results can be used in the development of wood waste recycling schemes by various economic entities of timber and woodworking sectors.

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Sathish, T., S. Dinesh Kumar, M. Ravichandran, V. Mohanavel, S. Suresh Kumar, Sivanraju Rajkumar, and Ram Subbiah. "Waste Food Cans Waste Bamboo Wood Based AA8079/SS304/Bamboo Wood Ash Hybrid Nanocomposite for Food Packaging." Key Engineering Materials 928 (August 16, 2022): 69–78. http://dx.doi.org/10.4028/p-9lpz3q.

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Nowadays life style practices demand more packed foods in the market around the world. In this trend increases the demand for researches on developing new packaging materials. In this research focuses novel AA8079/ SS304/ Wood ash hybrid nanocomposites development for meeting packaging related applications. The materials like aluminum alloy AA8079 (matrix material) obtained from waste food cans, Nanoparticles of stainless steel SS304 and Nanoparticles of Wood ash which obtained from waste bamboo woods were utilized to compose through stir casting process. Two set of Six different novel AA8079/ SS304/ Wood ash hybrid nanocomposites by varying the reinforcement from 0 wt.% to 10 wt.% with the step of 2 wt.% in the AA8079 matrix. The prepared composites included for examinations to test their Ultimate Tensile strength, yield strength, percentage of elongation, shear strength and hardness properties. Apart from this, the effect of heat treatment and annealing on strength of developed novel AA8079/ SS304/ Wood ash hybrid nanocomposites were investigated.

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Nur-A-Tomal, Md Shahruk, Farshid Pahlevani, and Veena Sahajwalla. "Study on the Direct Transformation of Milk Bottle and Wood into Wood–Plastic Composite through Injection Molding." Journal of Composites Science 6, no. 8 (August 5, 2022): 230. http://dx.doi.org/10.3390/jcs6080230.

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Plastic has transformed the world; however, it generates a huge amount of waste plastics. It is well evident that, if urgent action is not undertaken on plastic pollution, it will pose threats to not only the environment, but also human life. Just simply discarding waste plastics will result in wasting a lot of valuable materials that could be recycled. Recently, the use of waste plastics has been considered for producing wood plastic composites (WPCs), which are superior to normal wood. Waste plastics are pelletized using an extruder and are then subjected to injection molding. In this study, investigations were carried out to determine the possibility of producing WPCs without the palletization of waste plastic to turn WPC production into a shorter, simple, and easy-to-achieve process. Here, a waste milk bottle, a familiar single-use plastic, was picked as a case study. Waste plastic granules and wood particles were mixed and directly injection molded to produce valuable WPCs. The water absorption of WPCs with 20% wood is 0.35%, and this increased to 0.37% when wood content was increased to 40%. The tensile strength at yield, elongation at break, and impact strength of WPCs with 20% wood content are 19.54 MPa, 5.21%, and 33.92 KJ/m2, respectively, whereas it was 17.23 MPa, 4.05%, and 26.61 KJ/m2 for the WPCs with 40% wood content. This process can be a potential solution for two problematic wastes at the same time.

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Canbaz, Mehmet, İlkay Kara, and İlker Bekir Topçu. "Effect of high temperature on the mechanical behavior of cement-bonded wood composite produced with wood waste." Challenge Journal of Structural Mechanics 7, no. 1 (March 12, 2021): 42. http://dx.doi.org/10.20528/cjsmec.2021.01.005.

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The increase in the population day by day and urbanization has led to a rapid increase in the construction sector. With the increase in demand in construction, the product types of building materials are increasing. It is seen that wastes are formed during and after the production of the materials used in the building. This highlights studies on waste management and recycling of waste. After construction activities, wastes are recycled or converted to secondary products. One of these is wood waste, a traditional building material. In addition to the production of wood furniture, it is used in various areas from the beginning of construction to the end of the building. In this study, sawdust, which is the waste of a woodworking company, was used. Utilizing the advantages of wood, recyclable and sustainable cement bonded wood composite production practices have been explored. It is aimed to produce nature and environment friendly, ecological and economic and durable composite materials. In this research, it is aimed to determine the optimum ratio by using different ratios of sawdust-cement while keeping the water-cement ratio constant in production. The specimens taken from the production were exposed to high temperature after gaining strength. The strength results, unit weights and ultrasonic pulse velocity results of cement bonded wood composite samples exposed to high temperature were examined. Although cement bonded wood composites are exposed to high temperatures such as 400°C, it has been observed that strength is achieved. With this study, an alternative area was proposed for the evaluation of these wastes.

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Yalçın, Mesut, Çağlar Akçay, and Halil İbrahim Şahin. "The effect of particle board industry waste tar on the physical and biological durability of wood." BioResources 15, no. 1 (January 27, 2020): 1810–27. http://dx.doi.org/10.15376/biores.15.1.1810-1827.

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The effect of waste tar from particle board factories was investigated relative to some physical and biological resistance properties of Scots pine (Pinus sylvestris) and beech (Fagus orientalis) woods. Solutions were prepared by dissolving waste tar in ethanol:toluene (1v:1v) in concentrations of 5%, 10%, 15%, and 20%. These solutions were forced deep into the Scots pine and beech woods under vacuum and pressure (deep treatment, DT). In addition, surface coating (SC) was applied by spreading 96% waste tar on the wood surfaces after treatment. Deep-treated and surface-coated (DT+SC) wood samples were exposed to the wood-decay fungi Trametes versicolor L. and Neolentinus lepideus Fr. for 12 weeks. At the same time, sample blocks were tested against wood-destroying house borer (Hylotrupes bajulus) larvae for 16 weeks. Total phenolic content, water uptake, water-repellent efficiency, and surface contact angle were tested. Although a mean mass loss resulting from T. versicolor of 31.1% was seen in the Scots pine control samples, only 3.87% mass loss was found with a concentration of 20% (DT + SC). The H. bajulus larvae mortality rate was 80% in the Scots pine wood samples deep-treated with 20% waste tar.

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Peres, Sergio, Eduardo Loureiro, Humberto Santos, Fabio Vanderley e Silva, and Alexandre Gusmao. "The Production of Gaseous Biofuels Using Biomass Waste from Construction Sites in Recife, Brazil." Processes 8, no. 4 (April 13, 2020): 457. http://dx.doi.org/10.3390/pr8040457.

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Due to climate change problems caused by greenhouse gas emissions generated by fossil fuels and from waste disposition, fuel alternatives for power generation are being extensively researched. Currently, in Brazil and in many countries, wood waste is disposed in landfills. However, due to lignin, one of the major constituents of biomass, which prevents wood waste from suffering microbial degradation, there is no significant mass degradation, even over decades, when landfilled. Hence, landfilling is not a solution to discard wood waste. Hence, one of the solutions to get rid of the great amount of wood waste is to use it as feedstock in waste-to-electricity (WTE) projects. WTE projects are in high demand in the world, as they can replace fossil fuels and they reduce two major environmental problems (greenhouse gas emissions due to the use of fossil fuels and the accumulation of waste in landfills), while generating biofuels and/or electricity. One of the residues that can be used in WTE projects is biomass residue from construction sites (CCbiowaste). CCbiowaste could be converted into gaseous biofuels through pyrolysis or gasification. These gaseous biofuels can be used in Otto engines connected to an electricity generator (gensets) to produce electricity and/or heat (cogeneration applications). Hence, the objective of this research was to characterize (physically, chemically, and energetically) civil construction biomass wastes (CCbiowaste), produced in a residential building construction site in Recife, Brazil, and to use these wastes in a bench-scale gasifier to produce gaseous biofuels at the temperatures of 700 °C, 800 °C, and 900 °C. The gaseous fuels were collected in the gasifier and analyzed in a gas chromatograph equipped with a thermal conductivity detector (TCD) to determine their composition and heating values. The lower heating value (LHV) results varied from 8.07 MJ∙m−3 to 10.74 MJ∙m−3 for 700 °C to 900 °C gasification temperature. These gaseous fuels were tested in an adapted Otto cycle engine connected to an electricity generator to prove the feasibility of this application. The highest total energy per ton of biomass was obtained for mixed wood and Pinus at 900 °C, with approximately 13 GJ∙ton−1. Hence, the use of CCbiowaste can become an option for the reuse of wasted wood instead of simply dumping in a landfill.

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Božiková, Monika, Petr Kotoulek, Matúš Bilčík, Ľubomír Kubík, Zuzana Hlaváčová, and Peter Hlaváč. "Thermal properties of wood and wood composites made from wood waste." International Agrophysics 35, no. 3 (November 3, 2021): 251–56. http://dx.doi.org/10.31545/intagr/142472.

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Rivera-Tenorio, Monzerrath, and Roger Moya. "Potential for pellet manufacturing with wood waste from construction in Costa Rica." Waste Management & Research 38, no. 8 (December 23, 2019): 886–95. http://dx.doi.org/10.1177/0734242x19893022.

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The construction sector in Costa Rica produces approximately 100 kg per square meter of residues, of which wood waste comprises 30%. Utilization of these wastes is still limited, but options are being sought and biomass is one of them. The aim of this work was to evaluate the characteristics of biomass produced from wood waste from construction, its energy potential, and its appropriateness for pellet manufacturing by determining its energy, physical, and mechanical characteristics. It was found that wood waste from construction is composed of different species with densities below 0.5 g/cm3, 26% moisture content, and 10% ash content; contamination with cement and nails can reach 6%. The process of pellet manufacturing can adapt adequately to using wood waste from construction, with an efficiency or yielding of 33%. Pellets presented a calorific value of 19573 kJ/kg, a bulk density of 1.25 g/cm3, an apparent density of 700 kg/m3, a failure force in compression of 467 N, and durability of 94.28%. According to different standards, the results obtained for biomass from wood waste are within the range established for pellet quality; therefore, wood waste from construction can be used to produce pellets, despite the disadvantage of it presenting high ash content.

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Cavalcanti, Washington Moreira, Leandro Soares de Oliveira, Rômulo Maziero, and Juan Carlos Campos Rubio. "The Feasibility of Producing Particleboards with Waste Wood from Civil Construction and Epoxidized Waste Cooking Oils." Fibers 10, no. 8 (July 25, 2022): 62. http://dx.doi.org/10.3390/fib10080062.

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The feasibility of using epoxidized waste cooking oils as a partial replacement for synthetic resins in the manufacture of lignocellulosic composites where the reinforcement is comprised of mechanically ground wood from civil construction waste wood (CCWW) was investigated. For this study, the wood-epoxy composite was prepared using the thermo-curing technique, and wood particle contents of 20 and 30% (m/m) were studied with a matrix comprised of 50% epoxidized vegetable oil and 50% petroleum-based epoxy resin. The specific mass of the composites was in the range of 1130 to 1380 kg/m3, with the lowest value for the highest content of wood particles. Fourier transform infrared spectroscopy was successfully used to monitor the epoxidation of the vegetable oils and the subsequent curing of the epoxy resins and particleboards. Thermal stability of the composite was dictated by its lignocellulosic content, and significant mass losses occurred at temperatures higher than 300 °C, regardless of the wood particles content. The introduction of CCWW particles into the polymeric matrices did not promote the desired effect of improving the mechanical properties in regard to those of the cured blend of epoxy resins. However, the produced particleboards still met the standards of the American National Standards for general purpose boards in regard to their physical and mechanical properties (e.g., density, tensile strength). Hence, the use of wood waste and waste cooking oil to produce particleboards was deemed justified within the framework of a cascading lifecycle-extended service for both wastes.

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Pazzaglia, Aron, and Beatrice Castellani. "A Decision Tool for the Valorization of Wood Waste." Environmental and Climate Technologies 27, no. 1 (January 1, 2023): 824–35. http://dx.doi.org/10.2478/rtuect-2023-0060.

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Abstract Wood is an increasingly demanded biomaterial used in many industries, including construction, materials, furniture, packaging and energy production. Consumption trend indicates a significant increase in wood waste production, which could potentially be harnessed in various processes. In Europe, about 53 % of wood waste is incinerated while the 46 % is recycled. In Italy, almost the 95 % of wood waste is used in the production of chipboard and particleboard. There are many other processes available for enhancing wood recycling, but it is crucial to understand how to treat wood waste, depending on its source matrix. Wood waste is a heterogeneous material that may contain contaminants, pollutants and additives. Therefore, effective wood waste management relies on the analysis of its material composition, which provides valuable insights for waste management strategies. To address this need, a decision tool (DT) has been proposed for determining the destiny of wood waste based on its chemical composition. The DT provides quick recommendations by categorizing wood waste into four quality grades, primarily based on pollutant analysis. It assesses cellulose, lignin, hemicellulose content, and Lower Heating Value (LHV) to suggest recycling or incineration options for wood waste. Subsequently, this paper provides a brief overview of wood waste utilization. Finally, a case study is presented in which the DT was applied to wood waste obtained from a local waste management company in Perugia, Italy.

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Komorowicz, Magdalena, Dominika Janiszewska-Latterini, Anna Przybylska-Balcerek, and Kinga Stuper-Szablewska. "Fungal Biotransformation of Hazardous Organic Compounds in Wood Waste." Molecules 28, no. 12 (June 17, 2023): 4823. http://dx.doi.org/10.3390/molecules28124823.

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A diverse spectrum of organisms, such as fungi, bacteria, and actinomycetes, can degrade and transform organic matter, including wood, into valuable nutrients. A sustainable economy has the goal of efficiently using waste as raw materials, and in this optic, it uses biological preparations more and more often, supporting the decomposition of lignocellulosic waste. With reference to wood wastes, which are produced in a substantial amount by the forest and wood industry, one of the possibilities to biodegrade such lignocellulosic material is the composting process. In particular, microbiological inoculum containing dedicated fungi can contribute to the biodegradation of wood waste, as well as the biotransformation of substances from the protection of wood, such as pentachlorophenol (PCP), lindane (hexachlorobenzene) and polycyclic aromatic hydrocarbons (PAHs). The purpose of this research was to produce a literature review in terms of the selection of decay fungi that could potentially be used in toxic biotransformation unions. The findings of the literature review highlighted how fungi such as Bjerkandera adusta, Phanerochaete chrysosporium, and Trametes versicolor might be ingredients of biological consortia that can be effectively applied in composting wood waste containing substances such as pentachlorophenol, lindane, and polycyclic aromatic hydrocarbons (PAHs).

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HS, Suroto, and Yuliansyah Yuliansyah. "Kombinasi Campuran Limbah Moulding dan Kayu HTI untuk Pellet Kayu sebagai Bahan Bakar Alternatif." Jurnal Riset Teknologi Industri 2, no. 3 (July 7, 2016): 20–28. http://dx.doi.org/10.26578/jrti.v2i3.1405.

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Eventhough the poteify waste into wood savinncy of timber and thenumber of active moulding industries are deccreasinq racently, the demand of moulding products is still hight. Actually the waste of moulding can be utillized for fuel but the waste must be treatedpreviosly. The treatment is to classify weste into wood saving, woodplaning and sawdust. Tile size wood saving and wood planing ware reduced by using a hemmer mill, after that the wastes were screened.wilile the sawdust was screened directly. Them. all screened wood were combined wiht the screened wood from timber estate. All of these materials were mixed together with cassava glue. Pellet is an alternative source of fuel. The quality of produced pellet is 0.49- 0.80 gr/cm3 for density parameter. 2.40 - 9.64% for moisture content, and0.15 - 1.08% for ash content. These properties meet the requirements of national and international market. How ever; parameter of gross caloric value of pellet. which was 4042 - 4380 cal/g. did not meet the requirements.

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Hiramatsu, Yasushi, Yuko Tsunetsugu, Masahiko Karube, Mario Tonosaki, and Tsuyoshi Fujii. "Present State of Wood Waste Recycling and a New Process for Converting Wood Waste into Reusable Wood Materials." MATERIALS TRANSACTIONS 43, no. 3 (2002): 332–39. http://dx.doi.org/10.2320/matertrans.43.332.

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Petrova, A. A., M. A. Zyryanov, S. O. Medvedev, I. A. Voronin, and I. A. Petrova. "Integrated recycling of wood waste using recycling technology." E3S Web of Conferences 420 (2023): 07002. http://dx.doi.org/10.1051/e3sconf/202342007002.

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The activity of the Russian timber processing industry is inextricably linked to the constant generation of wood waste. The paper considers types of wood waste as well as the possibility of their integrated use in the conditions of wood processing plant. We present the results of experiments on the production of wood fibre boards with the addition of prepared wood waste: bark, sawmill waste, format-cutting waste, trapped fibre and hardwood waste, and determine the optimum percentage of the studied waste in the total wood mass.

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Sutapa, Johanes Pramana Gentur, and Gianova Vierry Prasetyadi. "Torrefaction for Upgrading the Quality of Merbau Wood Waste Pellets." Environmental Research, Engineering and Management 79, no. 3 (October 13, 2023): 52–59. http://dx.doi.org/10.5755/j01.erem.79.3.33741.

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Recently, biofuels are intensively studied regarding the need of alternative renewable energy sources. Woody biomass has been one of the raw materials which are used in various ways including biofuels. As for biofuels, woody biomass has yet to possess some disadvantages such as bulk dimension, low density, non-uniformity, and high moisture content. Pelletizing has been one of the ways to improve the quality of woody biomass to be a proper biofuel. However, wood pellets also still offer downside such as hygroscopicity. Torrefaction is one of the methods to upgrade pellets quality such as high calorific value, fixed carbon, and hydrophobicity. In this study, merbau wood waste pellets were dry torrefied at a temperature of 200°C and 250°C for 15 and 30 minutes. The data obtained showed that torrefaction applied on merbau wood waste pellets could produce high quality pellets.

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Liu, Wenming. "Research on Product Design Method of Recycling Waste Building Wood." E3S Web of Conferences 179 (2020): 01010. http://dx.doi.org/10.1051/e3sconf/202017901010.

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Start from the recycling of waste construction wood, use green design and other sustainable design concepts to study the reuse of construction waste wood in product design. Promote the effective use of construction waste wood resources, so that the residual value of waste construction wood resources can be fully reflected. Discover the material characteristics and advantages of waste construction wood, summarize relevant factors that should be considered in the reuse of waste construction wood in product design, and explore related design methods.

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Lugovoy, Yu, N. Antonov, K. Chalov, A. Stepacheva, Yu Kosivtsov, E. Sulman, and M. Sulman. "Thermal Processing of Wood Waste." Bulletin of Science and Practice 5, no. 12 (December 15, 2019): 26–36. http://dx.doi.org/10.33619/2414-2948/49/03.

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Describes the processes of thermal conversion of soft– and hardwood waste to obtain gaseous, liquid and solid products. During the initial stage of the work, the thermogravimetric study of initial samples of birch and pine sawdust was performed in the temperature range from 35 to 1000 °C. On the basis of the thermal analysis data obtained, a method of pyrolysis process of wood waste in the temperature range of 400–500 °C in an inert environment was developed. As a result of experiments on pyrolysis of wood waste, the dependence of the conversion of selected samples into final products, the properties of the resulting gaseous and solid carbon-containing products depending on the conditions of the process, the size of the fraction and the type of wood were obtained. It was found that the optimal temperature of the pyrolysis process in the studied range of system parameters is 450 °C, and the particle size of wood waste is 1–2 mm. Data on the molecular mass distribution of volatile pyrolysis products and kinetic parameters of the pyrolysis process were obtained. The activation energies of the pyrolysis process for pine and birch sawdust samples were 119.3 and 128.2, respectively. The specific surface area of the initial samples of birch and pine wood waste was 9.3 and 8.5 m2/g, respectively. The specific surface area of coal pyrolysis residues for hardwoods increased by 2.4 times and for conifers by 2.1 times, respectively, and assumed values of 22.3 and 17.9 m2/g. Therefore, the coal residues of pyrolysis of wood waste can potentially be used as raw materials for the production of activated carbons and carbon sorbents of various applications.

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Grigorieva, Larisa, and Pavel Oleinik. "Recycling Waste Wood of Construction." Materials Science Forum 871 (September 2016): 126–31. http://dx.doi.org/10.4028/www.scientific.net/msf.871.126.

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The article considers contemporary methods and especially recycling of wood waste. The volume of wood waste is constantly growing due to the increase in the number of buildings subject to demolition or dismantling, reconstruction and repair works. The article contains the main requirements to the raw material derived from waste. Advantages of products made from wood-polymer composite materials on physic mechanical parameters. The comparative characteristic of cost for the production of wood-polymer plastic. It is noted that production made from wood polymer composite materials has unlimited product range, including boards, various profiled molded and moulded details with complicated shape (the board for the floor, skirting board, baguette, etc).

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Malikov, I. N., Yu A. Noskova, M. S. Karaseva, and M. A. Perederii. "Granulated sorbents from wood waste." Solid Fuel Chemistry 41, no. 2 (April 2007): 100–106. http://dx.doi.org/10.3103/s0361521907020085.

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Đuka, Andreja, Mirna Sertić, Tibor Pentek, Ivica Papa, David Janeš, and Tomislav Poršinsky. "Round Wood Waste and Losses." Croatian journal of forest engineering 41, no. 2 (June 10, 2020): 287–98. http://dx.doi.org/10.5552/crojfe.2020.770.

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The term »loss« should be distinguished from the term »waste« commonly used by forestry practitioners to indicate the difference between gross volume (planned production based on official tariffs) and net volume (produced timber volume) of trees. Volume loss in round wood refers to the difference between the actual volume of round wood and the volume determined based on the prescribed method of measurement and calculation. As a result of prescribed scaling methods and calculations, volume losses appear due to 1) used volume equations, 2) prescribed method of measurement (i.e. measurements of length and mid-length diameter) and 3) deduction of double bark thickness. In Croatia, round wood is cross-cut and transported with bark, while logs are measured and sold without bark. In this way, the bark is an unnecessary ballast in production, but has many possible applications such as energy source, in the production of wooden boards in construction, in nurseries and horticulture, etc. The research was conducted on 225 butt-logs of sessile oak (Quercus petraea (Matt.) Liebl.) ranging in diameter classes from 27.5 cm to 67.5 cm from even-aged forests in the central part of Croatia. Deduction of double bark thickness caused a higher average loss in the volume when using Huber’s equation at 14% and when using Riecke-Newton’s equation at 13.5%. In both volume estimation methods, the loss due to double bark thickness was slightly reduced exponentially as the diameter of but-logs increased. The determined dependence of the bark thickness on diameter of butt-logs over bark indicates the need for correction of the bark deduction tables that are in operational use in Croatian forestry and are provided by trading practices, and since they are not the result of scientific research, they lead to unfair payment between sellers and buyers of round wood. Comparison analysis of the simulation of butt-logs indicated that the introduction of Riecke-Newton’s equation for estimating the volume of commercially important assortments in Croatian forestry is justified. The use of Riecke-Newton’s equation in these terms leads on average to a 6.6% higher volume of butt-logs than the use of Huber’s equation for estimating the volume of assortments.

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González, J., K. Del Pardo, and S. Martín. "WOOD WASTE CHARACTERIZATION FOR COMPOSTING." Acta Horticulturae, no. 843 (October 2009): 337–42. http://dx.doi.org/10.17660/actahortic.2009.843.45.

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Solovyov, A. K., and G. K. Koshkina. "Energy generation from wood waste." IOP Conference Series: Materials Science and Engineering 866 (August 13, 2020): 012027. http://dx.doi.org/10.1088/1757-899x/866/1/012027.

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Lyon, Scott, and Brian Bond. "What Is “Urban Wood Waste”?" Forest Products Journal 64, no. 5-6 (September 2014): 166–70. http://dx.doi.org/10.13073/fpj-d-14-00023.

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Connell, Ralph M., and Edward O. Dawson. "4566393 Wood-waste burner system." Atmospheric Environment (1967) 20, no. 8 (January 1986): ii. http://dx.doi.org/10.1016/0004-6981(86)90264-7.

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POSKROBKO, Sławomir, Danuta KRÓL, and Aleksandra BORSUKIEWICZ GOZDUR. "GASIFICATION OF WASTE WOOD BIOMASS." Drewno. Prace Naukowe, Doniesienia, Komunikaty = Wood. Research Papers, Reports, Announcements 59, no. 197 (June 30, 2016): 241–48. http://dx.doi.org/10.12841/wood.1644-3985.c25.21.

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Arie, Arie, Lili Amalia, and Rosalia Rahayu. "Wood Waste Management: Sawdust as a Planting Media during the COVID-19 Pandemic at Sindangmekar Village, Dukupuntang Subdistrict, Cirebon District." Community Development Journal 5, no. 2 (August 17, 2021): 256–60. http://dx.doi.org/10.33086/cdj.v5i2.2078.

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One of the growing industries in Indonesia is the woodworking industry. Wood waste is waste or parts of the wood that no longer has economic value but may still be used at different processes and times. The woodworking industry produces wood waste in 22% wood scraps, 8% wood chips, and 10% sawdust. The fundamental problem in the woodworking industry at Sindangmekar Village was the lack of understanding and practice in wood waste management. Through the socialization of wood waste management as planting media, community service aims to increase knowledge regarding wood waste management. In addition, it can improve practice to manage sawdust as a planting media. Furthermore, it has economic value and becomes one of the solutions to financial problems during the COVID-19 pandemic. The socialization presented materials related to wood waste management and practiced making planting media from sawdust. Thirty participants attended this activity. There was a significant increase in pre-and post-test scores after socialization. In conclusion, socialization regarding wood waste management increases knowledge levels in wood artisans and youth alliance at Sindangmekar Village. In addition, participants can manage wood sawdust as a planting medium. As a result, it can increase the selling value of wood waste, and the surrounding environment becomes clean and healthy.

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Alim, Alfan Bahrul, Eko Muh Widodo, M. Imron Rosyidi, Tuessi Ari Purnomo, and Afan Rifa'i. "Utilization of Wood Waste for Boiler Fuel (Case Study at PT. Putra Albasia Mandiri)." E3S Web of Conferences 500 (2024): 03037. http://dx.doi.org/10.1051/e3sconf/202450003037.

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The wood processing production system in its activities always produces waste in the form of husks or pieces of wood. The opportunity to control wood waste can be used to heat boilers as a substitute for fuel oil. This study on the use of wood waste was carried out to assess technical, economic and environmental aspects. An assessment of the technical aspect was carried out to see the efficiency of using wood waste compared to fuel oil. Financial aspects are an important consideration in utilizing wood waste, while environmental aspects. Studies show that diesel fuel consumption is higher than wood waste fuel consumption, however boiler efficiency is higher using oil fuel compared to wood waste fuel, namely 70%: 20%. Financial analysis using NPV shows that this wood waste fueled boiler is economically feasible. From environmental aspects, it is known that fuel consumption for one year for wood waste fuel produces CO2 emissions of 1,207.36 tons, which is lower than CO2 emissions from burning diesel which is 6,808.31 tons.

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IMANISHI, Hiroshi, Kazutoshi TAKEUCHI, and Kozo KANAYAMA. "Production of Wood Powder Molding by Recycling Wood Waste." Proceedings of the Symposium on Environmental Engineering 2003.13 (2003): 129–30. http://dx.doi.org/10.1299/jsmeenv.2003.13.129.

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Baltazar, Luis G. "Use of Wood Waste as Aggregate in Mortars: An Experimental Study." IOP Conference Series: Materials Science and Engineering 1203, no. 2 (November 1, 2021): 022115. http://dx.doi.org/10.1088/1757-899x/1203/2/022115.

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Abstract The construction sector is one of the largest and most active in the world economy, being responsible for consumption of huge amounts of natural resources. Natural sand and gravel are the most important resources in construction, they are mainly used as aggregates, and its extraction often causes environmental damages. Bearing these considerations in mind, the wood waste has been used as partial replacement of natural sand in concrete and mortars to reduce the environmental burden of natural sand extraction. The aim of this paper is to characterize the physical and mechanical properties of natural hydraulic lime-based mortars proportioned with different percentages of wood wastes (0% to 30%) as replacement of natural sand. Thus, several specimens of mortar proportioned with wood wastes have been subjected to different experimental procedures, such as: workability, mechanical strength, water absorption and thermal conductivity. Results obtained showed that the incorporation of wood waste causes a reduction of mechanical resistance mostly due to the increase in open porosity, but on the other hand the thermal conductivity presents an improvement up to 83%. The results obtained are quite acceptable and encouraging for the follow-up studies using wood wastes as fine aggregate in mortars and, simultaneously, to improve the energy efficiency of buildings since this waste material contributes to obtain mortars with improved thermal performance.

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Storozhenko, Vladimir G. "Structural Features of the Indigenous Pine Forests of the Northern and Middle Taiga under Pyrogenic Influences." Lesnoy Zhurnal (Forestry Journal), no. 3 (June 10, 2024): 203–14. http://dx.doi.org/10.37482/0536-1036-2024-3-203-214.

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The study of indigenous pine forests of evolutionary formation as endangered virgin forests is the basic for fundamental research into the processes of formation of sustainable forest communities. The aim of the study presented in the article is a comparative assessment of the structures of tree fractions of phytocenoses according to the parameters of the age series of stands and the successional position, dynamic indicators of woody waste, the influence of the pyrogenic factor, and the presence of rot damage to the stands. Age structures, numerical and linear parameters of pyrogenic factors, their impact on the infestation of trees with rot, volumetric indicators of wood waste and characteristics of natural regeneration, the mass of wood xylolysis products during its decomposition by wood-destroying fungi have been studied in pine biogeocenoses with various dynamic characteristics in the taiga zone of European Russia. Pine biogeocenoses under these conditions have structures of different ages, altered by fires of different types. Using the example of an indigenous pine forest in the Pechora-Ilychskiy Nature Reserve (middle taiga), the influence of pyrogenic effects on the formation of various types of rot and damage to trunks is shown. The volumes of woody waste are distributed according to the stages of decomposition in pine forests with different structural and dynamic characteristics; pine undergrowth – according to height gradations. An example is given of calculating the mass of wood components deposited in the stands and released during the decomposition of woody waste by wood-destroying fungi for the biogeocenosis of the Pechora-Ilychskiy Nature Reserve. The majority of indigenous pine forests in the northern territories have been affected by fires of varying intensity and types, sometimes several times during a development cycle. Pyrogenic effects have a significant on changes in the age structures of pine forests, damage to their trunks, the general infestation of forest stands by wood-destroying fungi of the biotrophic complex, the volumes of woody waste, and the formation of natural regeneration structures.

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Farjana, Shahjadi Hisan, Olubukola Tokede, and Mahmud Ashraf. "Environmental Impact Assessment of Waste Wood-to-Energy Recovery in Australia." Energies 16, no. 10 (May 18, 2023): 4182. http://dx.doi.org/10.3390/en16104182.

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Wood is a renewable material that can store biogenic carbon, and waste wood can be recycled to recover bioenergy. The amount of energy recovery from the waste wood can vary depending on the type of wood and its chemical and structural properties. This paper will analyse the life cycle environmental impact of energy recovery from waste wood, starting from the wood production stage. These are cradle-to-cradle systems, excluding the use phase and the waste collection phase. The types of waste wood considered in the current study are softwood, hardwood, medium-density fibreboard (MDF), plywood, and particleboard. The results showed that all waste wood has great potential to produce energy while reducing climate change impact. Hardwood and softwood products showed the most beneficial aspects in terms of energy recovery from waste wood and thus could help to reduce harmful environmental emissions. However, MDF and particleboard show the least potential for energy recovery as they contribute to the greatest emissions among all types of wood products. The outcomes of this study could be used as guiding principles for Australia to consider waste-to-energy recovery facility establishment to generate additional energy while reducing waste wood.

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Janiszewska, Dominika, Iwona Frąckowiak, and Karolina Mytko. "Exploitation of liquefied wood waste for binding recycled wood particleboards." Holzforschung 70, no. 12 (December 1, 2016): 1135–38. http://dx.doi.org/10.1515/hf-2016-0043.

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Abstract Four types of industrial waste from wood processing, namely a mixed hardwood-softwood powder, pine and beech sawdust, and bark were liquefied and tested as binders for particleboards (PB) made of recycled wood. The liquefaction reaction was carried out at elevated temperature with a mixture of solvents from polyhydroxyl alcohols such as glycerine and propylene glycol, and p-toluenesulfonic acid as a catalyst. Then the liquefied woods (LWs) were characterized in terms of their suitability for PB production as a partial substitute for synthetic urea-formaldehyde (UF) resin. The standard properties of PBs such as tensile strength, bending strength and modulus of elasticity, density, moisture content, swelling after 24 h, water absorption, and formaldehyde content were measured. All tests were performed in comparison to a standard PB bonded by UF resin. It was demonstrated that the substitution of UF resin up to 20% of LW did not have a significant effect on the mechanical properties. PB made of recycled wood produced with LW possessed good mechanical properties that meet the European standard quality demands for PBs.

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Nascimento, Maria Fátima do, André Luis Christoforo, Juliano Fiorelli, Luciano Donizeti Varanda, Laurenn Borges de Macedo, and Francisco Antonio Rocco Lahr. "Roughness study on homogeneous layer panels manufactured from treated wood waste." Acta Scientiarum. Technology 39, no. 1 (February 24, 2017): 27. http://dx.doi.org/10.4025/actascitechnol.v39i1.29438.

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Natural resource exploration is growing, highlighting woods and joinery waste, wood industries and the like. This study presents homogeneous particleboard (PPH) roughness characterization manufactured from treated wood waste. Normative document with values of Brazilian Technical Standard Association ABNT NBR 8404 (1984), was adopted as a reference. The results show that the manufactured PPH showed roughness class N 10, with roughness values (Ra) of less than 12.5 microns.

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Zhu, Xiefei, Wenwen Guo, Zejun Luo, Xinzhe Zhu, Wenfei Cai, and Xifeng Zhu. "Combined with co-hydrothermal carbonation of wood waste and food waste digestate for enhanced gasification of wood waste." Fuel 331 (January 2023): 125789. http://dx.doi.org/10.1016/j.fuel.2022.125789.

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Li, Renfei, Wenbing Tan, Xinyu Zhao, Qiuling Dang, Qidao Song, Beidou Xi, and Xiaohui Zhang. "Evaluation on the Methane Production Potential of Wood Waste Pretreated with NaOH and Co-Digested with Pig Manure." Catalysts 9, no. 6 (June 17, 2019): 539. http://dx.doi.org/10.3390/catal9060539.

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Wood waste generated during the tree felling and processing is a rich, green, and renewable lignocellulosic biomass. However, an effective method to apply wood waste in anaerobic digestion is lacking. The high carbon to nitrogen (C/N) ratio and rich lignin content of wood waste are the major limiting factors for high biogas production. NaOH pre-treatment for lignocellulosic biomass is a promising approach to weaken the adverse effect of complex crystalline cellulosic structure on biogas production in anaerobic digestion, and the synergistic integration of lignocellulosic biomass with low C/N ratio biomass in anaerobic digestion is a logical option to balance the excessive C/N ratio. Here, we assessed the improvement of methane production of wood waste in anaerobic digestion by NaOH pretreatment, co-digestion technique, and their combination. The results showed that the methane yield of the single digestion of wood waste was increased by 38.5% after NaOH pretreatment compared with the untreated wood waste. The methane production of the co-digestion of wood waste and pig manure was higher than that of the single digestion of wood waste and had nonsignificant difference with the single-digestion of pig manure. The methane yield of the co-digestion of wood waste pretreated with NaOH and pig manure was increased by 75.8% than that of the untreated wood waste. The findings indicated that wood waste as a sustainable biomass source has considerable potential to achieve high biogas production in anaerobic digestion.

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Basta, Altaf H., Nairn A. Fadl, and Usama I. Gabra. "Lignocellulosic Materials in Building Elements. Part II. Cement Light-Weight Building Bricks." Engineering Plastics 4, no. 8 (January 1996): 147823919600400. http://dx.doi.org/10.1177/147823919600400806.

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Wood processing and agricultural wastes (spruce wood, bagasse and cotton stalk) were used for the production of cemented lignocellulosic bricks. Pretreatment with 50% linseed oil, followed by hardening at 120°C was carried out to improve water repellency. Several variables were investigated during the formation of the bricks, such as the mesh size of the lignocellulosic waste, the cement to wood ratio and the use of some additives, e.g. urea formaldehyde, aluminium oxide powder, emulsion acrylic (Nitobond AR), hemihydrate gypsum and polyvinyl alcohol. The results obtained indicate that bricks prepared by adding Nitobond AR to cement-wood mixtures have higher strength than those obtained using other additives. Also, bricks produced by blending treated wood waste with cement have better properties than those produced from blends of treated agricultural wastes (bagasse and barked cotton stalk) with cement. The field of application of the product was considered. A plant for the production of cemented lignocellulosic bricks was also designed.

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Journal articles on the topic 'Wood waste'

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