Articles de revues : « Wasteward »

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Teplitz-Sembitzky, W. « Wastewood as a source of woodfuel ». Natural Resources Forum 15, n^o 1 (février 1991) : 59–65. http://dx.doi.org/10.1111/j.1477-8947.1991.tb00110.x.

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Чукалина, Елена, Elena Chukalina, Елена Крымская, Elena Krymskaya, Владимир Иванов et Vladimir Ivanov. « Soil modification through bioslime processing ». Services in Russia and abroad 8, n^o 4 (26 juin 2014) : 94–101. http://dx.doi.org/10.12737/4855.

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Communal facilities performance improvement is a critical component of the overall issue of improving the citizens’ quality of life. Recreation schemes for drain-water utilization should provide not only for a primary treatment, but also for finer and more efficient methods of neutralization and sanitation. The authors of the article focus on the technologies of processing the bioslime obtained from the municipal wastewarer.

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UCHIDA, Chihiro, Syoji OGAWA, Fumihiko KAKIMOTO, Yoshihisa KITAGAWA, C. P. Hsu et Cheng-Fang Lin. « Hydrogen sulfide contatined wastewaer treatment using slaked lime filler. » Journal of Environmental Conservation Engineering 19, n^o 5 (1990) : 334–36. http://dx.doi.org/10.5956/jriet.19.334.

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Porozhnyuk, L., N. Lupandina et E. Porozhnyuk. « The use of abrasive wastes in the practice of wastewater treatment from nickel ions ». International Journal of Engineering & ; Technology 7, n^o 2.23 (20 avril 2018) : 281. http://dx.doi.org/10.14419/ijet.v7i2.23.11932.

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The results of sewage treatment from nickel ions are given in the article. The relevance of the studies is determined by the expansion of the spectrum of effective sorbents-reagents as a result of the use of industrial wastes. Mineralogical and component compositions of abrasive waste are studied. The process of sorption and desorption of nickel ions on the wastewas studied by theconstruction isotherm method and a mixed character of sorption processes with a predominance of physical interactions was established.

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Kim, Dong-Su, Jong-Soo Choi, Se-Hee Kim, Ji-young Do, Sam-Bae Park, Yu-Lim Choi, Yoon-Young Chang et Jae-Kyu Yang. « Removal of Heavy Metal using Chemically Modified Biochar Produced from Wastewood ». Journal of Korean Society of Water Science and Technology 28, n^o 6 (31 décembre 2020) : 113–25. http://dx.doi.org/10.17640/kswst.2020.28.6.113.

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Gao, Long Long, Yan Zhen Yu, Miao Wan Li, Yu Xing Zhou et Hua Dong Zhang. « The Experimental Study of Contaminant Removal in Water Quenched Slag Biological Aerated Filter (BAF) ». Advanced Materials Research 602-604 (décembre 2012) : 1171–74. http://dx.doi.org/10.4028/www.scientific.net/amr.602-604.1171.

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In order to effectively resolve pollution issue of water quenched slag and its comprehensive use or second use of materials, the water quenched slag filter material is developed using water quenched slag with the addition of adhesion-increasing agent and porogen by commingle, pelletizing and curing. Experimental results indicate that water quenched slag filter material is used as filter medium in biological aerated filter for wastewater treatment,and the removal rate of COD, NH3-N comes up to 84.62%,90.20% respectively. The filter material is much more predominant and possesses a much wider application prospect in the treatment of wastewate.

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Jang, Seong-Ho, Go-Eun Kim, Jeong-Hee Kang, Young-Chae Song, Won-ki Lee, Byung-Gil Jung et Jae-Yong Lee. « Characteristic of Chemical Oxygen Demand Removal Using Stainless Steel in Dyeing Wastewate ». Journal of Korean Society of Water Science and Technology 28, n^o 4 (31 août 2020) : 25–31. http://dx.doi.org/10.17640/kswst.2020.28.4.25.

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Cruz Salazara, Maria Alejandra, Adenise Lorence Woiciechowskia, Jesus David Coral Medinaa, Arion Zandona Filhob, Carlos Jose Dalmas Netoa, Satinder Kaur Brarc et Carlos Ricardo Soccola. « Biomass and Hydrocarbon Production by Botryococcus braunii Using Supplemented Secondary Treated Wastewate ». Journal of Energy and Environmental Sustainability 3 (31 janvier 2017) : 29–36. http://dx.doi.org/10.47469/jees.2017.v03.100028.

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Faisal Muhaisen, Lahieb. « PREPARING OF EGG SHELLS ADSORBENT FOR REMOVING RED REACTIVE DYE FROM WASTEWATE ». Journal of Engineering and Sustainable Development 22, n^o 02 (1 février 2018) : 46–55. http://dx.doi.org/10.31272/jeasd.2018.2.4.

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Cheng, Ta Chih, Kuo Shan Yao, Yung Hsu Hsieh, Ming Yi Chang, Chen Yu Chang et Guan Hao Wang. « Visible Light Activated Photocatalytic Degradation Effect of V-TiO₂ on Azo Dye Wastewater ». Advanced Materials Research 79-82 (août 2009) : 969–72. http://dx.doi.org/10.4028/www.scientific.net/amr.79-82.969.

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In this study, the V-doped TiO2 was synthesized by sol-gel method and we evaluate the photocatalytic degrading efficiency of V-TiO2 complexes on azo dye wastewater under irradiation with visible light (λ= 419 nm). The results showed that the Anatase structure and nano size of V-TiO2 complexs were formed and they had better photo-response to visible light than pure TiO2. The efficiency of decoloriztion or destruction efficiency was less than 6 % using TiO2 alone but efficiency of 0.10VT-I was up to 90% after irradiated with visible light for 240 min. These evidences also reveal that the system of V-TiO2 complexes can directly utilize the sunlight and can be used to treat organic pollutants in the practical wastewate treatment factories.

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Muhammadieva, Dilrabo. « EFFECT OF POLYATOMIC ALCOHOLS ON CHROME CURRENT OUTPUT AT ELECTROCHEMICAL WASTE WATER PURIFICATION ». Technical science and innovation 2021, n^o 3 (28 juin 2021) : 26–31. http://dx.doi.org/10.51346/tstu-02.21.3-77-0016.

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Waste water is generated in almost all industrial enterprises and is contaminated with various organic and inorganic impurities and some heavy metals to varying degrees. The aim of this study is to study the effect of polyhydric alcohols on the current efficiency in the electrochemical method of purification of industrial wastewater contaminated with various heavy metals, in particular chromate ions. The current efficiency of chromium does not exceed 18% during the electrolysis of wastewate, during the process in the presence of xylitol in an amount of 0,16%, the current efficiency increased by 21,9%, in the presence of glycerin in an amount of 0,18%, the current efficiency increased by 23,1%, in the presence of ethylene glycol in the amount of 0,20%, the current efficiency increased by 24,2%

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Ullah, Sana, Zafar Iqbal, Sajid Mahmood, Kalsoom Akhtar et Rehmat Ali. « Phytoextraction potential of different grasses for the uptake of cadmium and lead from industrial wastewate ». Soil & ; Environment 39, n^o 1 (25 mai 2020) : 77–86. http://dx.doi.org/10.25252/se/20/91796.

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Early, Steven K., Robert L. Newell et Victor F. Medina. « Use of Macroinvertebrate and Chemical Indices to Assess Water Quality of an Irrigation Wasteway ». Journal of Freshwater Ecology 17, n^o 2 (juin 2002) : 191–98. http://dx.doi.org/10.1080/02705060.2002.9663887.

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Brashear, Jerry, Myron Olstein, Dave Binning et Jake Stenzler. « RAMCAP™ : Risk Analysis and Management for Critical Asset Protection for the Water and Wastewate Sector ». Proceedings of the Water Environment Federation 2007, n^o 17 (1 octobre 2007) : 2199–212. http://dx.doi.org/10.2175/193864707788116176.

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张, 祖尧. « Review on the Trans Nature Way of Straw Used in Adsorption of Heavy Metals in Wastewate ». International Journal of Ecology 08, n^o 04 (2019) : 322–26. http://dx.doi.org/10.12677/ije.2019.84043.

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Kristanto, Gabriel Andari, Ariessyawtra Raindra Lamurvie et William Koven. « A Study of Compost as an Adsorbent for Congo Red Dye Removal Process ». Reaktor 17, n^o 4 (2 février 2018) : 203. http://dx.doi.org/10.14710/reaktor.17.4.203-209.

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The human population continues to grow annually, and so does the number of textile industries. In textile industry, synthetic dye is one of the most polluting substance in its wastewate which the conventional treatment processes are usually ineffective. Another option is using activated carbon to remove the dye, but carbon is an expensive material. It is is interesting that material that is rich in carbon, such as compost, may become an alternative solution. The objective of the present study was to assess the capability of compost in treating wastewater dye by determining the optimum compost dosage, particle size, and column height, while considering dye percentage removal and adsoprtion capacity. The optimum compost dosage was 8g/L and the optimum particle size was 1–2 mm in treating the 200 ppm Congo Red dye molecule, resulting in 20.49% removal and a 5.33 mg/g adsorption capacity. The optimum compost column height was 60 cm with 90% removal, and the adsorption capacity was 0.38 mg/g. The dye molecule wore off tthe compost, therefore fresh compost must be introduced in order to maintain its percentage removal level. The compatibility of isotherm model developed in this study with the Freundlich model is similar with previous studies. Keywords: compost; congo red dye;adsorbent, batch, column

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Aucante, Mélaine, Nils Ferrand, Rémi Lombard-Latune, Paul Moretti, Alpha Ba et Camille Cheval. « Planifier des systèmes d’assainissement avec les acteurs en intégrant des connaissances techniques expertes : enjeux de modélisation et transfert de WasteWAG au Sénégal ». Sciences Eaux & ; Territoires N° 35, n^o 1 (6 octobre 2021) : 60–67. http://dx.doi.org/10.3917/set.035.0060.

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Fitriyanto, Nanung Agus, Suharjono Triatmojo, Ambar Pertiwiningrum, Yuny Erwanto, Mohammad Zainal Abidin, Endang Baliarti et Yustina Yuni Suranindyah. « Penyuluhan dan Pendampingan Pengolahan Limbah Peternakan Sapi Potong di Kelompok Tani Ternak Sido Mulyo Dusun Pulosari, Desa Jumoyo, Kecamatan Salam, Kabupaten Magelang ». Jurnal Pengabdian kepada Masyarakat (Indonesian Journal of Community Engagement) 1, n^o 1 (5 septembre 2015) : 79–95. http://dx.doi.org/10.22146/jpkm.16955.

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Society services activity on cattle waste management system have been implemented in Sido Mulyo Livestock Farmers Group at Pulosari, Jumoyo, Salam, Magelang. Animal byproducts that consist of feces and urine of cattle wastewas processed into organic fertilizer compost and liquid fertilizer. Sido Mulyo Livestock Farmer Group has one unit of 20 m3 biodigester to accommodate the feces from approximately 30 cattle owned by the group member. Biogas has been used as a fuel source for family group members located around the cage. Slurry resulted from anaerobic digestion of biodigester disposed to pastures located on the right side of the cage. Ownership system in the groupis every group member hasa responsibility for taking care of their own cattle. The number of livestock owned by each member of the SidoMulyoLivestock Farmers Group ranged between 1 to 4 cattle. Society services methods that have been implemented was in the form of mentoring for a member of the Sido Mulyogroup.The other activities that have been implemented was the training and development of cattle industry, especially the handling of livestock waste in the form of feces, urine, and the feed residue. The activities was continued by the manufacture of compost packaging design, followed by the last series of activities such as monitoring and program development. The enthusiasm of the group members in joining to the extension activities is very good. The timing of the extension are determined in the afternoon after members of the group have finished searching feed for their cattle. The sustainability forwaste processing into organic fertilizer compost and liquid organic fertilizer becomes a major concern, because it is highly dependent on consumer demand.

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Reed, Brian E. « Phosphorus removal from wastewatr, pollution technology review no. 189, R. P. G. Bowker and H.D. Stensel, Editors. Noyes Data Corp., Park Ridge, N.J. 115 Pages [ISBN No. : 0-8155-1250-3] U.S. List Price : $45.00 (1990) ». Environmental Progress 11, n^o 4 (novembre 1992) : N6—N7. http://dx.doi.org/10.1002/ep.670110405.

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« WasteWizard for recycling ». Filtration & ; Separation 33, n^o 4 (avril 1996) : 276. http://dx.doi.org/10.1016/s0015-1882(96)91239-2.

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Hogland, William, Marcia Marques et Bo Björklund. « Fires in organic waste storages : prevention, fire fighting and after care ». Linnaeus Eco-Tech, 12 décembre 2007, 3–10. http://dx.doi.org/10.15626/eco-tech.2007.001.

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The development of each fire in a solid waste storage area is unique and depends on the typeof material stored, the design and type of storage, the weather conditions and moisturecontent, the way the initial phase of the fire is handled, the type and quantity of equipmentand material available for extinguishing the fire, and the number and level of trainedpersonnel available. This paper describes briefly two large fire events occurring in two wastestorage areas: one registered as two consecutive events in Sweden (2006) where the wastewas stored as hardly-compacted heaps; and one in Denmark (2005) where the waste wasstored in round bales with plastic. Best practices to avoid fire events in waste storages, as wellas the experience and knowledge acquired during fighting of these fires and handling ofremained material are presented. Recommendations based on lessons learned are presented.

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Quynh Hoa, Kieu Thi, Nguyen Thanh Binh, Dang Thi Yen et Vuong Thi Nga. « Lead removal enhancement by an indigenous consortium of sulfate-reducing bacteria cultivated from the lead-contaminated wastewate ». TAP CHI SINH HOC 35, n^o 3se (8 avril 2014). http://dx.doi.org/10.15625/0866-7160/v35n3se.3842.

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Elahi, Yara, Jamileh Nowroozi et Ramin Mazaheri Nezhad Fard. « Isolation and characterization of bacteriophages from wastewater sources on Enterococcus spp. isolated from clinical samples ». Iranian Journal of Microbiology, 13 octobre 2021. http://dx.doi.org/10.18502/ijm.v13i5.7434.

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Background and Objectives: In recent decades, enterococcal resistance to antimicrobials has greatly increased. Further- more, these chemicals include several side effects on the patients. Since no reports are available of the bacteriophages' effects on eukaryotic cells, they can be good solutions for multidrug-resistant bacterial problems. Therefore, the major aim of this study was to isolate bacteriophages from wastewaters on clinical antibiotic-resistant enterococci. Materials and Methods: Clinical bacteria were isolated, then enterococcal isolates were identified using different methods. The antibiotic resistance scheme of the enterococcal isolates was assessed. The bacterial isolates were exposed to wastewa- ter samples containing potential bacteriophages. Technically, isolated bacteriophages were studied by electron microscopy. Results: Isolated bacteria were verified as Enterococcus faecium. Results showed that bacteriophages could easily be isolat- ed from wastewater sources. The isolated bacteriophages were effective on E. faecium as well as Streptococcus dysgalactiae. Furthermore, these bacteriophages were challenged with five other bacteria (ATCC) with no visible effects. In general, the isolated bacteriophages belonged to the Myoviridae, Siphoviridae, and Inoviridae families. Conclusion: Further studies on bacteriophages and their efficacy on enterococcal strains could increase the treatment possi- bility of enterococcal infections. Due to these bacteriophages' effects on Streptococcus strains, bacteriophages may be used to treat streptococcal infections as well.

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Majumder, Ahmad Kamruzzaman, Sanjay Nath Khanal, Gyanendra Chaudhary, Silu Bhochhibhoya, Sunita Kumari Yadav, Ashma Vaidya et Rabi Wenju. « Characterization, quantification and management situation of medical waste in Nepal ». Linnaeus Eco-Tech, 12 décembre 2007, 315–23. http://dx.doi.org/10.15626/eco-tech.2007.031.

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Waste management is always a serious problem in developing country like Nepal, Medicalwaste has become a matter of major concern at present with the growth of health facilities inboth public and private sectors of Nepal, It is a serious concern, as most of its waste goes tomunicipal waste management system, There is no proper or separate waste handling, dumpingor incinerating practice for hazardous or hospital waste in Nepal, This study aimed to evaluatethe characterization, quantification and management situation of various health care centers inNepal, A study on the waste characterization and quantification as well as existing wastemanagement system was conducted in six different hospitals and nursing homes of Nepalduring 2004 to 2007, These hospitals has been serving about 0,25 million patients in averageevery year, The methodology involved in the study is the collection of the waste from eachward, segregation, characterization into infectious, non-infectious waste groups andquantification. In each hospital investigation was conducted for 7-15 days, Existingmanagement practice were directly observed and documented, Necessary infonnation wasalso collected through fonnal and infonnal consultations with different stakeholders of theconcern hospitals, This study found that the average daily waste generation in surveyedhospitals is 69,35 kg, The average per capita waste generation in these hospitals is 0.66 kg inwhich infectious waste was 0, 13 kg/day/person and non-infectious waste was 0,53kg/day/person, The average infectious waste was almost 22,07% and non- infectious wastewas 77.93% in the surveyed hospitals, Application of strong policies and legislation measuresfor proper management of the medical waste is highly needed

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Khalatbari-Limaki, Sepideh, Saeid Hosseinzadeh, Seyed Shahram Shekarforoush et Enayat Berizi. « The morphological and biological characteristics of a virulent PI phage isolated from slaughterhouse sewage in Shiraz, Iran ». Iranian Journal of Microbiology, 30 décembre 2020. http://dx.doi.org/10.18502/ijm.v12i6.5037.

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Background and Objectives: Foodborne pathogens are among the serious problems all around the world and thus a novel and natural strategy to control and to inhibit such pathogens is highly demanded nowadays. The aim of this study was to iso- late a specific bacteriophage of Escherichia coli O157:H7 from sewage in Fars province, Iran to determine its morphological and antimicrobial activities. Materials and Methods: In order to isolate the bacteriophage of E. coli O157:H7, 10 samples of slaughterhouse wastewa- ters were used. Double-Layer Agar method was employed to isolate the bacteriophage. To identify the fine structure of the bacteriophage, electron microscope was employed. Host range and antibacterial activity of the phage was also investigated, in vitro. Results: The morphological and biological characteristics of a virulent Siphoviridae phage, PI, are reported. It was found that infection of E. coli O157:H7 strains with this specific bacteriophage produce clear plaques. In the one-step growth anal- ysis, it was confirmed that the phage has been characterized with a very short rise period (around 15 min), an average burst size of 193 PFU/cell, high infectivity and potent lytic action. The bacteriolytic activity of PI was also investigated, in vitro. It was also clarified that at the MOI of 100, 10 and 1, the phage rapidly lysed the bacterial cells within 0.5 or 2 h. Conclusion: These results indicate that the phage PI is a newly discovered phage against E. coli O157:H7 in Iran which may be recommended to use as bio-control purposes.

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Md Tahir, Ummu Salamah, Noor Yasmin Zainun, Hilton Ahmad, Shabir Hussain Khahro et Ahmad Rizal Alias. « Decomposing Process of Food Waste using Black Soldier Fly Larvae (BSFL) : Case Study in Taman Pura Kencana, Johor ». International Journal of Sustainable Construction Engineering and Technology 13, n^o 4 (14 novembre 2022). http://dx.doi.org/10.30880/ijscet.2022.13.04.014.

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Food waste is one of the critical issues which has been discussed in many countries including Malaysia. Apart from that, about 50% of food waste usually being dumped at landfill sites and incinerators which root to more problems towards the environment, economic and society. In this research, Taman Pura Kencana, Johor was chosen to identify the average total of food waste generation from selected households in 3 months from April 2021 to June 2021and to determine decomposing days of food waste using BSFL.Raosoft Sample Size Calculator was used to calculate sample respondents bringing 48 households in this research. Hence,the average total of food waste generation from households per month was1056.82 kgThe collection of food waste from selected households in Taman Pura Kencana during the normal month of June was the highest compared to the fasting month in April and Eid month in May.25samples of food wastewere examined to identify duration of decomposing daysusing BSFLbased on pH, temperature and moisture content.The results showed that, the food waste successfully decompose after 10 days compare to control sample whichwas taking the longest time to fully decompose at about 90 days.The range of average temperature of the food waste using BSFL were 27°C to 34°C.The initial range of average pH value for the food waste samples were 3.22 to 4.00 while on the last decomposing days of the food waste samples were 7.06 to 7.12.Moisture content for food waste samples is51% except for control sample.Inconclusion, BSFL werethe ideal insects to decrease amount of food waste in landfills and incinerators as they could accelerate the time of composting food wasteand could reduce the negative impacts towards the environment, economic and society.This research’s findings will help create awareness and a better understanding of how much food waste could be generated from residential area, as this contributes to many negative issues when discarding them through landfills and incinerators.

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