Academic literature on the topic 'Recycled products Australia'
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Journal articles on the topic "Recycled products Australia"
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Shooshtarian, S., T. Maqsood, S. Caldera, and T. Ryley. "The impact of regulations on construction and demolition waste market creation and stimulation: Australian stakeholders’ perception." IOP Conference Series: Earth and Environmental Science 1101, no. 6 (November 1, 2022): 062012. http://dx.doi.org/10.1088/1755-1315/1101/6/062012.
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Abstract The use of recycled products largely depends on the existence of viable end markets. In Australia, state regulations have a pivotal role in creating and stimulating the market for recycled construction and demolition (C&D) waste products. Hence, this study aims to identify regulatory barriers and enablers affecting C&D waste end markets. This study employed a qualitative research approach to understand the effectiveness of the current C&D waste regulations. The data collection concerned a series of interviews with C&D waste experts across five Australian states (i.e., Victoria, New South Wales, Western Australia, Queensland and South Australia). Overall, 27 interviewees were recruited from various stakeholder groups (e.g., recycling, government, construction, consultation & manufacturing). The findings provide an insight into the primary factors affecting market development for recycled C&D waste materials. A series of reforms are proposed to improve the current regulatory framework. They aim to address issues around recycled C&D waste uptake in construction projects. The research contributes to the body of knowledge in the field of built environment and design by providing first-hand information about regulatory mechanisms involved in utilising recycled products. Policymakers and authorities can use the results to devise advanced regulations that provide a level playing field for all parties involved in C&D waste management in Australia and other countries with similar contextual conditions.
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Pritchard, D. L., N. Penney, M. J. McLaughlin, H. Rigby, and K. Schwarz. "Land application of sewage sludge (biosolids) in Australia: risks to the environment and food crops." Water Science and Technology 62, no. 1 (July 1, 2010): 48–57. http://dx.doi.org/10.2166/wst.2010.274.
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Australia is a large exporter of agricultural products, with producers responsible for a range of quality assurance programs to ensure that food crops are free from various contaminants of detriment to human health. Large volumes of treated sewage sludge (biosolids), although low by world standards, are increasingly being recycled to land, primarily to replace plant nutrients and to improve soil properties; they are used in agriculture, forestry, and composted. The Australian National Biosolids Research Program (NBRP) has linked researchers to a collective goal to investigate nutrients and benchmark safe concentrations of metals nationally using a common methodology, with various other research programs conducted in a number of states specific to regional problems and priorities. The use of biosolids in Australia is strictly regulated by state guidelines, some of which are under review following recent research outcomes. Communication and research between the water industry, regulators and researchers specific to the regulation of biosolids is further enhanced by the Australian and New Zealand Biosolids Partnership (ANZBP). This paper summarises the major issues and constraints related to biosolids use in Australia using specific case examples from Western Australia, a member of the Australian NBRP, and highlights several research projects conducted over the last decade to ensure that biosolids are used beneficially and safely in the environment. Attention is given to research relating to plant nutrient uptake, particularly nitrogen and phosphorus (including that of reduced phosphorus uptake in alum sludge-amended soil); the risk of heavy metal uptake by plants, specifically cadmium, copper and zinc; the risk of pathogen contamination in soil and grain products; change to soil pH (particularly following lime-amended biosolids); and the monitoring of faecal contamination by biosolids in waterbodies using DNA techniques. Examples of products that are currently produced in Western Australia from sewage sludge include mesophilic anaerobically digested and dewatered biosolids cake, lime-amended biosolids, alum sludge and compost.
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Ahmed Shaikh, Faiz Uddin, Anwar Hosan, and Wahidul K. Biswas. "SUSTAINABILITY ASSESSMENT OF REINFORCED CONCRETE BEAM MIXES CONTAINING RECYCLED AGGREGATES AND INDUSTRIAL BY-PRODUCTS." Journal of Green Building 15, no. 3 (June 1, 2020): 95–119. http://dx.doi.org/10.3992/jgb.15.3.95.
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ABSTRACT A vast amount of construction and demolition (C&D) wastes are generated in Western Australia (WA) of which a major portion goes to landfills. The diversion of C&D waste from landfills would be the single most significant opportunity for WA to improve its recovery performance. C&D waste materials have already been investigated for their appropriateness and use in pavement and concrete. This work is the continuation of the authors’ previous work involving further experimental tests to prove the structural suitability of a building’s structural member (i.e., beam) made of recycled aggregates and industrial by-products. The concrete mixes considered in this study are 100NA+100 OPC (Control), 100RA+100OPC, 50RA+50NA+90OPC+10SF and 50RA+50NA+60OPC+30FA+10SF. The Reinforced Concrete (RC) beam made of 50RA+50NA+60OPC+30FA+10SF concrete mix was found to be the only eco-efficient option. This option has reduced the level of environmental impacts in a cost-competitive manner. The use of this eco-efficient option could also provide new employment opportunities and significant improvements in terms of land and energy resources conservation and bio-diversity enhancement.
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Indraratna, Buddhima, Yujie Qi, Trung Ngoc Ngo, Cholachat Rujikiatkamjorn, Tim Neville, Fernanda Bessa Ferreira, and Amir Shahkolahi. "Use of Geogrids and Recycled Rubber in Railroad Infrastructure for Enhanced Performance." Geosciences 9, no. 1 (January 8, 2019): 30. http://dx.doi.org/10.3390/geosciences9010030.
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Railway tracks are conventionally built on compacted ballast and structural fill layers placed above the natural (subgrade) foundation. However, during train operations, track deteriorations occur progressively due to ballast degradation. The associated track deformation is usually accompanied by a reduction in both load bearing capacity and drainage, apart from imposing frequent track maintenance. Suitable ground improvement techniques involving plastic inclusions (e.g., geogrids) and energy absorbing materials (e.g., rubber products) to enhance the stability and longevity of tracks have become increasingly popular. This paper presents the outcomes from innovative research and development measures into the use of plastic and rubber elements in rail tracks undertaken at the University of Wollongong, Australia, over the past twenty years. The results obtained from laboratory tests, mathematical modelling and numerical modelling reveal that track performance can be improved significantly by using geogrid and energy absorbing rubber products (e.g., rubber crumbs, waste tire-cell and rubber mats). Test results show that the addition of rubber materials can efficiently improve the energy absorption of the structural layer and also reduce ballast breakage. Furthermore, by incorporating the work input parameters, the energy absorbing property of the newly developed synthetic capping layer is captured by correct modelling of dilatancy. In addition, the laboratory behavior of tire cells and geogrids has been validated by numerical modelling (i.e., Finite Element Modelling-FEM, Discrete Element—DEM), and a coupled DEM-FEM modelling approach is also introduced to simulate ballast deformation.
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Rose, Terry J., Emma Thompson-Brewster, and Peter S. Cornish. "Phosphorus constraints to potential land area cropped under organic and regenerative systems in Australia." Crop & Pasture Science 73, no. 3 (January 19, 2022): 263–72. http://dx.doi.org/10.1071/cp21578.
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Context The removal of phosphorus (P) in harvested grain and poor recycling of P creates unique concerns for farming systems that aim to reduce reliance on non-renewable fertiliser inputs, such as ‘regenerative’ farming systems, or for organic grain growers for whom synthetic P inputs are prohibited. Aims and methods We examine gross P budgets across the Australian cropping landscape and explore implications for the land area that could be potentially cropped if all P removed in harvested produce was replaced using domestic recycled P sources. Key results Major cereal, pulse and oilseed crops occupied 21.7 million ha year−1 on average from 2000 to 2018, removing around 136 274 t P year−1. The 27 200 t P in captured animal manure could only sustain around 20% of this area. A further 23%, around 4.9 million ha, could be sustained from sewage and greenwaste resources, but potential pathogens/contaminants limit their current use on organic farmland, and on other farmland when contaminant levels exceed thresholds. Conclusions Development of technologies acceptable to organic certifying agencies to extract P from sewage and greenwaste would expand available resources for organic and regenerative farming and would enable systems to move further towards closed loop nutrient cycling. Ultimately, export of grain overseas results in a large deficit between the 136 000 t P removed annually from fields and domestic recyclable P (around 74 000 t P year−1). Implications Apart from importing rock phosphate-based P or recycled P products, this deficit could only be overcome in the long term by reducing grain exports, or by reducing the concentration of P in exported grain.
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Lee, Min-Yong, Jang-Hyun Kang, Dong-Gun Hwang, Young-Sam Yoon, Myung-Soo Yoo, and Tae-Wan Jeon. "Environmental Assessment of Recycling (EAoR) for Safe Recycling of Steelmaking Slag in the Republic of Korea: Applications, Leaching Test, and Toxicity." Sustainability 13, no. 16 (August 6, 2021): 8805. http://dx.doi.org/10.3390/su13168805.
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Steel slag is a major waste product of the steelmaking process. Owing to its chemical composition, it can be reused as a raw material in steel mills and a substitute for aggregates in engineering. In 2016, the Republic of Korea (ROK) introduced the Environmental Assessment of Recycling (EAoR) system for the safe recycling of waste products, which divides recycling methods into either matrix contact or non-matrix contact types; numerous challenges have been raised regarding weaknesses in the matrix contact type. Consequently, the standards for matrix contact recycling of slag (inorganic waste) have become stricter, and the recycling applications have also become more diverse. This study investigates the treatment, recycling, and management of steel slag in the ROK. In 2019, the annual generation of slag in the ROK exceeded 23.03 million tons with a recycling rate of 98.3%, showing a high level of recycling, compared with that of the United States (81.3%), the European Union (87%), Australia (100%), and Japan (98.4%). However, a comparative analysis of overseas slag recycling systems and recycling standards found that the recycling applications and recycling standards of slag in the ROK were somewhat stricter than those in the European Union and the United States. Furthermore, an investigation comparing the applications of recycled slag in different countries showed that the ROK could expand its applications of recycled slag. The limitation of the EAoR system was that the excluding products, environmentally certified from Korean Standards in the EAoR regulations, might be attributing to environmental pollution. The leaching and toxicity tests for recycling application of steelmaking slag were evaluated and showed no significant negative effects. Lastly, there is an urgent need for environmental standards relating to slag that can be recycled as a product, and the recycling and environmental label certification for products should also be amended. In addition, the applications of steelmaking slag were necessary to partially extend according to the hazardous characteristics.
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Rojanadilok, Rojanadilok, and Bunchapattanasakda . "Marketing Strategies of Imported Herbal Cosmetic Products in Thailand." Information Management and Business Review 3, no. 4 (October 15, 2011): 217–21. http://dx.doi.org/10.22610/imbr.v3i4.936.
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This research investigated the factors that influence marketing strategies of imported herbal cosmetic products in Thailand. The study is qualitative research using in - depth interview to collect primary data and use content analysis to analyze the obtained data. The facial herbal cosmetics products using in this study were moisturizer, whitening lotions, creams, powder, toner, make up cleansing, mask, cleansing oil, soap bar, anti-aging lotions and creams which imported from Australia and the USA. Findings from the study found that product A positioned itself as a premium biodynamic natural plus innovation technology product using the greenhouse concept. The shops were decorated using recycle woods. The products’ packaging give customers a sense of the source, herb images grow around the boxes and bottles, whilst the text grows with the image, creating a sense of energy. Product A conscious of the environment and strive to source and use the most environmentally aware materials where possible. The retail price strategy depends on local marketing promotions. It has the stand-alone shops plus day spa and counters in department stores. The advertisement media strategies focus on magazine, direct mail, social network advertisement; facebook. Product B sets the position as an innovative organic beauty solution using pure certified organic ingredients without paraben, petroleum, and silicones. Recycled materials were used to make packaging and printed using soy ink. It has shop online and 12 counters in department stores. The local price strategy is discount on vocation. The promotion strategies focused on premium product and cash discount. The advertisement strategies of product B focused on magazines, direct mail, social network advertisement; facebook and popular brand ambassadors. Product C set position as ancient herbal product. The product’s formulations have made with the unique natural ingredients, effective botanical extracts with the latest innovations from around the world since a 160 years old formula. The products avoid using of preservative and perfume. It has 8 counters in department stores and used the recyclable packaging so that product C concentrate the efforts and cost on the substance and quality of products which reflex selling price. The advertisement strategies focused on brochure and social network advertisement (facebook and twitter) while selling promotion strategies of the product are free premium sampling, customers refer friends, and 28 days satisfaction guarantee for refund.
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Hill, J. "Recycling biosolids to pasture-based animal production systems in Australia: a review of evidence on the control of potentially toxic metals and persistent organic compounds recycled to agricultural land." Australian Journal of Agricultural Research 56, no. 8 (2005): 753. http://dx.doi.org/10.1071/ar04264.
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Biosolids from municipal waste water treatment are commonly used in agriculture as a source of nutrients, organic matter, and irrigation. There is, however, concern that the use of biosolids on pasture can lead to an accumulation of potentially toxic metals (PTM) and persistent organic compounds (POC) in the surface layers of soil and associated herbage that can be ingested by grazing livestock. This review examines the following two key questions. Is the use of these materials in an agricultural setting safe and practical? Is the use of biosolids safe in all climates, on all soils, and is it sustainable over the long term? To answer these important questions, the Australian regulatory framework is examined in light of similar legislation in Europe and the United States on the basis of scientific evidence that underpins the published limits, contaminant gradings, annual loadings, and prescribed restrictions on the use of biosolids in agriculture. The review concludes that the regulatory frameworks currently enacted at State level suffer from a lack of data to underpin the risk assessments conducted to prevent transfer of PTM and POC to the human food chain from livestock production and the basis of published thresholds is poorly defined. The important areas of future research are identified as studies on acquisition and transfer of PTM and POC to grazing animals and the subsequent effect of attenuation of the pollutant on the human food chain, the validation and acceptance of methods to quantify POC in biosolids, the effect of recycling of biosolids on the economic performance of pasture-based agriculture, and the market perception of animal products produced from land receiving biosolids.
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Hong Chee, Goh, and P.J. Ramadhansyah. "The Influence of Eggshell Powder as Additive on the Physical and Mechanical Properties of Stone Mastic Asphalt." CONSTRUCTION 2, no. 1 (May 20, 2022): 79–87. http://dx.doi.org/10.15282/construction.v2i1.7409.
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Stone mastic asphalt (SMA) has been widely used in Europe since the early 1960s, followed by numberous trials in countries such as the USA and Australia, where it has been positioned as a premium pavement surfacing course purposely for heavy duty pavements, highways and other roads with heavy truck traffic. In addition, Malaysia's demand for 900 million eggs per month produces a significant amount of solid waste. If all these eggshells were recycled and used for fertiliser or other purposes, this would help to reduce the overall amount of solid waste to a certain level. The eggshell in the solid food waste has been studied in detail and found to be suitable for processing into eggshell powder (EP) additives and applied to today's construction industry. Thus, this research learnt the influence of EP as bitumen modification in stone mastic asphalt (SMA) in term of physical and mechanical properties. Moreover, this research also determines the optimum percentage of EP as the bitumen modifier by the combination of 0%, 4%, 8% and 12%. The physical properties of SMA can determine through cantabro loss, permeability and marshall stability test, while the mechanical properties of SMA can determine through indirect tensile strength. In short, 12% of ESP was the optimum percentage as bitumen modifier in SMA, it increased the strength in the mechanical properties from 201 kPa to 230 kPa.
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De Luca, Angelo, Linda Chen, and Koorosh Gharehbaghi. "Sustainable utilization of recycled aggregates: robust construction and demolition waste reduction strategies." International Journal of Building Pathology and Adaptation ahead-of-print, ahead-of-print (October 22, 2020). http://dx.doi.org/10.1108/ijbpa-04-2020-0029.
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PurposeDue to the high demand of concrete, significant volume of natural resources is required, including virgin aggregates. Many studies have shown that the production of concrete has one of the highest CO2 levels. Although efforts are in place to recycle, enormous effects on landfill and the wider environment remain. Research has suggested the importance of reusing construction and demolition waste such as aggregate for use in recycled concrete. However, robust construction and demolition waste reduction strategies are required. There have been numerous researches on the use of recycled concrete and its management in the construction industry. This paper further consolidates this position.Design/methodology/approachThis paper exhibits the barriers and benefits of using recycled aggregates for construction industry. This is achieved via reviewing the current construction and demolition waste reduction strategies used mainly in three countries: the UK, Australia and Japan. These countries were selected since they seemingly have similar construction industry and environment. Subsequently, evolving barriers and benefits of using recycled aggregates for construction industry are also reviewed and discussed. And to support such focus, robust construction and demolition waste reduction strategies will be advocated.FindingsThe findings are summarized as follows. The recycling construction and demolition waste could have a positive net benefit compared to the procurement and production of virgin aggregate materials with the same properties. This is not only financially beneficial but also environmentally viable, as fewer resources would be required to produce the same aggregate material. There are effective ways to achieve a high recycle rate target, as demonstrated by Japan. The implementation of a similar recycling process could be implemented globally to achieve a more effective recycle rate through the help of governments at all levels. By creating awareness about the financial and environmental benefits of using recycled aggregate products, large recycling companies can be also enticed to follow suit.Practical implicationsThe findings from this paper can ultimately support the construction industry to further consolidate and advocate the use of recycled aggregates.Originality/valueTo achieve the research aim, this paper reviews some of the main sustainability factors of recycled aggregates (including coarse and fine aggregates) and provides comparison to virgin aggregates.
Dissertations / Theses on the topic "Recycled products Australia"
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Batmunkh, Narantuya. "Engineering characteristics of construction waste for Western Australian road and highway materials." Thesis, Curtin University, 2011. http://hdl.handle.net/20.500.11937/1839.
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This study examines the use of concrete waste by-products as a new source of road construction material in Western Australia (WA). The amount of construction waste in Western Australia increases annually, whilst natural rock aggregate is in shortage.This research focuses on whether recycled concrete, derived from various sources such as by-products from the processes of manufacturing ready-mixed concrete and waste from construction and demolition (C&D), is a viable option for use as a base and sub-base course material in road building in WA.A series of laboratory tests were conducted to determine the physical, engineering and performance properties of selected research materials to evaluate their respective potential utilisation. The results demonstrate that the concrete waste materials selected from the companies: Holcim Ltd, All Earth, Capital Demolition and C&D Recycling are suitable for use as base and sub-base layers of flexible pavement in Western Australia.
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Wieslaw, Jan Zielinski. "Evaluation of Wastewaters to Provide Optimum Water and Nutrient Products for Growing Turf and Native Plants." Thesis, 2015. https://vuir.vu.edu.au/29727/.
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The recent drought in South Eastern Australia and associated water restrictions led to
a significant increase in the use of greywater for the watering of lawn and garden
areas. There was also an emerging trend for sustainable drought resistant landscaping
for which some Australian native plants were suitable. There however was an
uncertainty about whether greywater was a useful source of water for plants or
whether it could be harmful. This study investigated how two varieties of turf Kikuyu (Pennisetum Clandestinum)
and Tall Fescue (Festuca arundinacea), and two varieties of Australian native flowers
Scaly Buttons (Leptorhynchos squamatus) and Small Vanilla Lilies (Arthropodium
minus) grew when watered with several different types of greywaters sourced from a
bathroom shower and a laundry.
Book chapters on the topic "Recycled products Australia"
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Posey, Darrell Addison. "Fragmenting Cosmic Connections: Converting Nature Into Commodity." In Globalization, Globalism, Environments, and Environmentalism. Oxford University Press, 2004. http://dx.doi.org/10.1093/oso/9780199264520.003.0013.
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Most contributions to this volume frame emerging ‘consciousness of connections’ through international politics, economics and trade, urban/ rural exchanges, social movements, environmental transformations, and global citizenship and governance. These views reflect a remarkably linear world-view of dialectics such as: past/present, growth/sustainability, internal/external, and production/recycle. Langton (Chapter 9), however, introduces the idea of symbolic environmental space, or spacialization, which is expressed in the Aboriginal concept of totem. Totem defines other dimensions of knowing that emerge from cosmic environments through connections with animal spirits. These non-lineal manifestations might be described as spiritual clusters that, unlike the electron clouds that enshroud an atomic nucleus, are literally grounded through centres that define human landscapes marked by cultural mechanisms such as sacred sites and song lines. Indigenous peoples in other parts of the world share with Aboriginal Australians this view of cosmic connectedness between living things and the Earth (see Posey and Dutfield 1996). Thus, human beings share life with all other living organisms, and, indeed, may be transformed into other transgenic forms through death, ceremony, or shamanistic practice. In this chapter, I want to explore how such world-views function to create and maintain anthropogenic and cultural landscapes that conserve ecological and biological diversity. I also hope to show how global trade and political initiatives are working to sever and fragment these cosmic connections by reducing the vast bio-diversity of nature to mere products for biotechnology and commercial exploitation. I suggest that the commodification of nature—especially through Intellectual Property Rights (IPRs)—is one of the biggest threats to global security in the twenty-first century. This is because global consumerism is driven by market prices that ignore or obliterate the local cultural, spiritual and economic values of indigenous and local peoples, who still manage, maintain and conserve much of the biological diversity of the planet. Many of my examples will come from the Kayapó Indians, with whom I have lived and worked since 1977. The Kayapó inhabit a 4 million hectare (approximately 9 million acre) continuum of ecosystems from the grasslands of the Brazilian planalto to the tropical and gallery forests of the Amazon basin.
Conference papers on the topic "Recycled products Australia"
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Baysal, Mehmet Murat, and Utpal Roy. "Development of a Product Information Model to Support Replacement Analysis." In ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/detc2013-13385.
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For sustainability of environment, legislations in EU, USA, Japan and Australia require manufacturers to take back their products at the End of Life (EOL) and recycle them. The concept of 6R (reduce, reuse, recycle, recover, redesign and remanufacture) is very important for this issue, while reuse has the highest energy and material recovery efficiency. In this study, an integrated product information model has been developed in UML to provide necessary information for any future decision making activities in the EOL stage, such as the replacement analysis of any used part or subassembly. This product information model represents not only product structure but its function, behavior, and their associations in different abstract levels to support replacement analysis of an existing component with a new or a used component available to company. This representation schema provides necessary information for any future decision making activities in the EOL stage, such as the replacement or reuse of any part or subassembly. In an analysis of replacement for a faulty component with a used or new component, this model provides all of the associations of the existing artifact with other artifacts and the environment, not just functional and space requirements, and the relevant modification(s) of the associated objects has to be verified.