Bibliografie tematiche / Recycling (Waste, etc.) Japan

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Letteratura scientifica selezionata sul tema "Recycling (Waste, etc.) Japan"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 4 febbraio 2022

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Articoli di riviste sul tema "Recycling (Waste, etc.) Japan"

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Chaudhary, Karishma, e Prem Vrat. "Case study analysis of e-waste management systems in Germany, Switzerland, Japan and India". Benchmarking: An International Journal 25, n. 9 (29 novembre 2018): 3519–40. http://dx.doi.org/10.1108/bij-07-2017-0168.

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Purpose The purpose of this paper is to analyze e-waste management systems in Germany, Switzerland, Japan and India and benchmark best practices in the Indian scenario. Design/methodology/approach The first part of the research paper focuses on the description of e-waste management systems in the above-mentioned countries using a case study analysis approach while the second part analyzes, evaluates and compares e-waste management systems performance based on seven performance indicators using a five-point scale. Finally, the RADAR chart approach is used to benchmark the best practices of e-waste management in these countries in the Indian scenario. Findings The study finds that India is lagging far behind from Germany, Switzerland, and Japan in e-waste management despite being the fifth largest e-waste generator across the globe. India must adopt best practices followed in these nations like a dedicated agency to oversee and coordinate the e-waste management, coordination among different value chain partners involved in e-waste management, development of infrastructure to collect and process e-waste, monitoring and control of all processes and stakeholders, etc. Practical implications The study suggests the solution to the loopholes in the Indian e-waste management system by adopting the collection, recycling and reporting mechanism followed in German, Swiss and the Japanese e-waste management system. There is a dire need to improve e-waste management systems in India as only 5 percent of e-waste is processed through the organized sector. Social implications E-waste is increasing at an alarming rate and most of e-waste in India is being handled by the unorganized sector, where rudimentary methods are used to process e-waste severely damaging the environment and health of workers. The unorganized market employs 0.5m child laborers. Hence, routing the e-waste to the organized sector will result in social benefits by putting a check on unsafe practices and will create green jobs. Originality/value This paper’s contribution lies in extracting the best practices followed in nations excelling in e-waste management and recommend their implications in the Indian scenario. This study is aimed at all the stakeholders, but especially at policy-makers and producers, who have the onus to tackle the e-waste problem.
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Fujita, Toyohisa, Josiane Ponou, Gjergj Dodbiba, Ji-Whahn Anh, Siminig Lu, Mohammed F. Hamza e Yuezou Wei. "Removal of Banana Tree Fungi Using Green Tuff Rock Powder Waste Containing Zeolite". Catalysts 9, n. 12 (10 dicembre 2019): 1049. http://dx.doi.org/10.3390/catal9121049.

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Hinai green tuff, which is found in Akita Prefecture, Japan, is used for the production of building materials, etc. About 60% of all stone is emitted as waste powder and therefore it is important to find ways for recycling it. In this work, the characteristics of green tuff powder have been investigated. The results of scanning electron microscope (SEM) and elemental map observations indicate that the green tuff contains TiO2 on zeolite. The green tuff can therefore be used as a natural catalyst for producing hydrogen peroxide with moisture and oxygen with light. The optimum calcined temperature of the green tuff powder is about 800 °C, producing the hydroxyl radical from hydrogen peroxide decomposition without ultraviolet light (UV) and decomposition of the superoxide anion. As the application of green tuff powder, Cavendish banana trees found in the Philippines infected by a new Panama disease were treated with powder suspension in order to remove the fungus (a type of Fusarium wilt) due to the photocatalyst characteristics of powder. The suspension, prepared by using the powder was sprayed on the infected banana trees for about one month. Photograph observation indicated that the so-called 800 °C suspension spray was more effective in growing the infected banana trees.
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Widiyanto, Anugerah, Seizo Kato, Naoki Maruyama e Yoshimasa Kojima. "Environmental Impact of Fossil Fuel Fired Co-Generation Plants Using a Numerically Standardized LCA Scheme". Journal of Energy Resources Technology 125, n. 1 (1 marzo 2003): 9–16. http://dx.doi.org/10.1115/1.1510521.

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This paper describes the LCA environmental impacts resulting from fuel fired co-generation systems using our NETS (Numerical Eco-load Total Standard, [1]) scheme having GUI (Graphic User Interface). Following a brief introduction of the NETS evaluation method, firstly the total eco-load from commercial electricity power plants in Japan is numerically calculated in the NETS unit. We take here almost all factors into account including fuel mining, transportation and processing, plant manufacturing, assembling and its building construction, fuel consumption and maintenance during twenty durable years, plant dismantling and waste processing, thermal efficiency and delivery loss, etc. This evaluation greatly helps in the eco-load estimation of co-generation plants when electricity purchase is needed during the plant operation with a minimum eco-load. Next, co-generation systems are paid attention to their ecological effectiveness. Here, we select different fuel fired co-generation plants of natural gas, heavy oil, and coal. Environmental impacts resulting from the respective plants include fossil fuel depletion and natural resources depletion, global warming due to green house gases, ozone layer depletion due to CFC type gas emission, various water and air pollution, rain acidification due to NOx and SOx, waste processing, recycling etc. Each item can be successfully calculated from the inventory database accumulated by authors. Hourly energy demands of electricity and heat (steam, hot water and cold water) are set to a typical model for eight office buildings and two hotels. The NETS method is applied to the co-generation model, resulting in the best cost-operating scheme of co-generation plants with a minimum environmental impact.
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Gotoh, Sukehiro. "Waste management and recycling trends in Japan". Resources and Conservation 14 (marzo 1987): 15–28. http://dx.doi.org/10.1016/0166-3097(87)90010-1.

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OKADA, Teruo, Shigeru OHYAMA, Nozomu KATAGIRI, Masanori SHIMADA e Sayori MAEDA. "Recycling. Treatment and Recycling Flow of Copper-Containing Waste in Japan." Shigen-to-Sozai 113, n. 12 (1997): 963–66. http://dx.doi.org/10.2473/shigentosozai.113.963.

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Nifuku, Masataka. "Chemical Recycling of Municipal Waste Plastics. Feedstock Recycling Technologies for Municipal Plastic Waste in Japan." Waste Management Research 13, n. 2 (2002): 107–12. http://dx.doi.org/10.3985/wmr.13.107.

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HIJIYA, NAOHIRO. "Present Situation of Waste Paper Recycling in Japan". Sen'i Gakkaishi 50, n. 4 (1994): P137—P140. http://dx.doi.org/10.2115/fiber.50.4_p137.

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Grigorieva, Larisa, e Pavel Oleinik. "Recycling Waste Wood of Construction". Materials Science Forum 871 (settembre 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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Omura, M., C. Y. Qin, H. Ohtani, R. Iwasaki, Y. Shigeno, J. S. Yu e S. Nakazawa. "Networking possibilities for waste recycling in Miyagi prefecture, Japan". Waste Management 27, n. 5 (gennaio 2007): 711–19. http://dx.doi.org/10.1016/j.wasman.2006.06.007.

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NAKANE, KAZUHIRO. "The Regulation and Recycling of Plastics Waste in Japan". Sen'i Gakkaishi 50, n. 5 (1994): P176—P180. http://dx.doi.org/10.2115/fiber.50.5_p176.

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Tesi sul tema "Recycling (Waste, etc.) Japan"

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Lai, Kit-ying. "Campaigns for promoting waste reduction, reuse and recycling case studies in Japan, Singapore and Hong Kong /". Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B42555814.

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Lai, Kit-ying, e 賴潔瑩. "Campaigns for promoting waste reduction, reuse and recycling: case studies in Japan, Singapore and HongKong". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B42555814.

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Lam, Lai Fong Janna. "Zero emission management". Title page, table of contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09ENV/09envl213.pdf.

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Wong, May-ling. "Recycling in Hong Kong : case study on "conserving the Central & Western District materials recycling scheme at Mid-Levels" /". Hong Kong : University of Hong Kong, 2002. http://sunzi.lib.hku.hk/hkuto/record.jsp?B25436156.

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Bolan, Michael D. "European union vs. the United States : recycling policies and management /". Connect to resource online, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1243439695.

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Wong, Tse-ki Kinny. "Optimal design of municipal solid waste recycling system in Hong Kong /". Hong Kong : University of Hong Kong, 1999. http://sunzi.lib.hku.hk/hkuto/record.jsp?B21301487.

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Collins, Gill. "Local government recycling : a South Australian perspective". Title page, contents and abstract only, 1989. http://web4.library.adelaide.edu.au/theses/09ENV/09envc712.pdf.

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Pekdur, Ömer Keçeci Emin Faruk. "Autonomous Solid Waste Separation System Design/". [s.l.]: [s.n.], 2006. http://library.iyte.edu.tr/tezlerengelli/master/makinamuh/T000522.pdf.

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Lim, Boon Hock. "The kerbside recycling dilemma /". Title page, table of contents and abstract only, 1998. http://web4.library.adelaide.edu.au/theses/09ENV/09envl732.pdf.

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Chan, Lai-ying. "Recycling municipal solid waste : problems and prospect /". Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk/hkuto/record.jsp?B23736227.

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Libri sul tema "Recycling (Waste, etc.) Japan"

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Eugene, Salerni, a cura di. Garbage management in Japan: Leading the way. New York, NY: INFORM, 1987.

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Japan, a cura di. Kaitei Kaisetsu Shokuhin risaikuru-hō. 2a ed. Tōkyō: Taisei Shuppansha, 2008.

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Salerni, Eugene. Solid waste management in Japan: Lessons for New York : a staff report to the New York State Legislative Commission on Solid Waste Management. Albany, N.Y: The Commission, 1987.

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Kankyōshō, Japan. Sweeping policy reform towards a "sound material-cycle society" starting from Japan and spreading over the entire globe: The "3-R" loop connecting Japan with other countries : 2006. Tokyo: Ministry of the Environment, Government of Japan, 2006.

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Recycling. New York: Children's Press, 2001.

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Recycling waste. Tarrytown, NY: Marshall Cavendish Benchmark, 2008.

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Wilcox, Charlotte. Recycling. Minneapolis, Minn: Lerner Publication Company, 2008.

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Spilsbury, Louise. Waste and recycling. London: Wayland, 2008.

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Recycling. Cambridge: Independence, 2009.

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Hewitt, Sally. Waste and recycling. New York: Crabtree, 2008.

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Capitoli di libri sul tema "Recycling (Waste, etc.) Japan"

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Okuwaki, A., T. Yoshioka, M. Asai, H. Tachibana, K. Wakai e K. Tada. "The Liquefaction of Plastic Containers and Packaging in Japan". In Feedstock Recycling and Pyrolysis of Waste Plastics, 663–708. Chichester, UK: John Wiley & Sons, Ltd, 2006. http://dx.doi.org/10.1002/0470021543.ch26.

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Zhang, Xiaolei, Lin Li, Hao Hu e Yuqin Song. "Comparisons and Analysis on International Resource Recycling: A Case Study of Waste Disposal and Recycling between China and Japan". In Design for Innovative Value Towards a Sustainable Society, 246–50. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-3010-6_47.

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Kodera, Yoichi. "Plastics Recycling – Technology and Business in Japan". In Waste Management - An Integrated Vision. InTech, 2012. http://dx.doi.org/10.5772/46085.

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Matsumoto, Shigeru. "Group Collection of Recyclables in Japan". In Post-Consumer Waste Recycling and Optimal Production. InTech, 2012. http://dx.doi.org/10.5772/32291.

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Emmott, Bill. "Individuals with a Community Spirit". In Japan's Far More Female Future, 59–74. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198865551.003.0003.

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Japan is a group-oriented, communitarian society but those women who succeed will often be quite individualistic. The first three role models interviewed are three strikingly individualistic characters who have nevertheless sought a strong community role, aiming in two of the cases to convert the community to their cause. They are: Baba Kanako, who started a school-uniform recycling business on Shikoku Island and now advises other mothers all over Japan; Ishizaka Noriko who took over her family waste-processing business in order to turn it environmentalist; and Oikawa Hideko, who took her family denim business upmarket after her husband died and then found herself running an evacuation centre during the devastating 2011 tsunami.
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Marcinkowski, Bartosz, Sebastian Narojczyk, Dariusz Nowak e Vasyl Zalizko. "Modern methods used in production-operations management". In Production–operation management. The chosen aspects, 137–81. Wydawnictwo Uniwersytetu Ekonomicznego w Poznaniu, 2021. http://dx.doi.org/10.18559/978-83-8211-059-3/05.

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Climate change, resource depletion, technical progress, growing consumer awareness and changing requirements causes companies to look for new production methods. They may concern various areas of the company’s activity, starting from product design, procurement organization, optimization of production processes, control of manufactured products and services, through improvement of work organization and reduction of production costs, and ending with the implementation of modern solutions based on digital technologies. The purpose of implementing new production methods is to improve labour mobility, optimization of the use of raw materials and resources, costs reduction, increase efficiency, productivity, etc. In the literature, there are many different types of methods that can be used by modern enterprises. It is practically impossible to present all methods in this study. The authors focused on the presentation of selected methods, which are characterized on the one hand by innovation and, on the other hand, by the possibility of implementation. Particular attention should be paid to methods focused on environmental aspects. This group presents basic information on environment-conscious manufacturing (ECM), life-cycle assessment (LCA) and waste management and recycling. These methods allow to implement the concept of sustainable development and are directly related to the 17 goals set out in the 2030 Agenda for Sustainable Development and adopted by UN member states. In the group of methods related to next generation production management, the focus was on Matrix shop floor control and cooperative manufacturing. Of particular importance is cooperative management, because cooperation in practice is considered as a specific resource and one of the most important factors of a competitive position. The next group of methods concerned production planning and control. Drum Buffer Rope (DBR) and theory of constraints (TOC) were discussed as part of it. From the company’s point of view, methods related to manufacturing processes are very important, including group technology (GT) and cellular manufacturing (CM). Another group focused on commercial aspects, including demand chain management (DCM) and competitive intelligence (CI). The chapter also presents methods related to auxiliary software support, advanced organizational manufacturing and focused on product design. In the first case, Electronic Data Interchange (EDI) was discussed, in the second, virtual enterprises (VE) and World Class Manufacturing (WCM) were presented, and in the third, the assumptions concerning the Quality Function Deployment (QFD) and House of Quality (HOQ) method were shown. Additionally, Statistical Process Control (SPC) and Computer-Aided Process Planning (CAPP) are discussed within the framework of methods focused on cost and quality manufacturing.
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Atti di convegni sul tema "Recycling (Waste, etc.) Japan"

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Themelis, Nickolas J. "Changes in Public Perception of Role of Waste-to-Energy for Sustainable Waste Management of MSW". In 19th Annual North American Waste-to-Energy Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/nawtec19-5439.

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In the last ten years, public and government perceptions of waste-to-energy have changed considerably. Most people who bothered to visit waste management facilities recognize that landfilling can only be replaced by a combination of recycling and thermal treatment with energy recovery. During the same period, the Earth Engineering Center (EEC) of Columbia University research and public information programs have concentrated on advancing all means of sustainable waste management in the U.S. and abroad. The results of EEC research are exemplified in the graphs of the Hierarchy of Waste Management and the Ladder of Sustainable Waste Management of nations; in this paper, the latter has also been used to compare the waste management status of the fifty states of the Union. This paper also describes how the European Union has directed that thermally efficient treatment of MSW is equivalent to recycling. The rapid growth of WTE in this century is exemplified by the hundreds of new WTE plants that have been built or are under construction, most with, government assistance as in the case of other essential infrastucture. The need for concerted action by concerned scientists and engineers around the world has led to the formation of the Global WTERT Council. By now there are sister organizations of EEC and WTERT in Brazil, Canada, China, France, Germany, Greece (SYNERGIA) and Japan. Others are being formed in other countries.
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Itoh, H. "The recent trend of e-waste recycling and rare metal recovery in Japan". In WASTE MANAGEMENT 2014. Southampton, UK: WIT Press, 2014. http://dx.doi.org/10.2495/wm140011.

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"Recycling of Domestic Plastic Waste into Hippoplast as an Alternative Media Plant". In April 17-18, 2018 Kyoto (Japan). International Institute of Chemical, Biological and Environmental Engineering, 2018. http://dx.doi.org/10.17758/iicbe1.c0418151.

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Gundupalli Paulraj, Sathish, Subrata Hait e Atul Thakur. "Automated Municipal Solid Waste Sorting for Recycling Using a Mobile Manipulator". In ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/detc2016-59842.

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Municipal solid waste (MSW), generated at an unprecedented rate due to rapid urbanization and industrialization contains useful recyclable materials like metals, plastic, wood, etc. Recycling of useful materials from MSW in the developing countries is severely constrained by limited door-to-door collection and poor means of segregation. Recovery of recyclables is usually performed by waste pickers, which is highly risky and hazardous for their health. This paper reports the development of a robotic mobile manipulation system for automated sorting of useful recyclables from MSW. The developed robot is equipped with a thermal imaging camera, proximity sensor and a 5-DOF robotic arm. This paper presents an approach for sorting based on automated identification from thermographic images. The developed algorithm extracts keypoint features from the thermographic image and feeds into clustering model to map them into a bag-of-word vectors. Finally, Support Vector Machine (SVM) classifier is used for identifying the recyclable material. We used the developed algorithm to detect three categories of recyclables namely, aluminum can, plastic bottle and tetra pack from given thermographic images. We obtained classification rate of 94.3% in the tests. In future, we plan to extend the developed approach for classifying a wider range of recyclable objects as well as to incorporate motion planning algorithms to handle cluttered environments.
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Nituica, Mihaela, Laurentia Alexandrescu, Mihai Georgescu, Maria Sonmez, Maria Daniela Stelescu, Dana Gurau, Carmen Curutiu e Stefania Stoleriu. "Development and characterization of biodegradable compound based on EPDM and wood waste". In The 8th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2020. http://dx.doi.org/10.24264/icams-2020.iv.14.

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In the European Union, the potential for recycling technological and post-consumer polymeric waste is untapped. Their recycling and reuse are very low, compared to other types of waste such as glass, paper, etc., and the rates of storage, even of incineration, is very high in terms of percentage. Therefore, by reusing them, but also making use of new advanced technologies, we can contribute to improving the quality of products, and to environmental protection by recycling waste, protecting human health by eliminating toxins during their incineration, but also increasing turnover for global economic agents. Thus, this paper presents the obtaining and characterization of an antibacterial compound based on EPDM elastomer and wood waste (sawdust). The antibacterial compound is characterized from a physical-mechanical and structural point of view (FT-IR), all according to standards in force.
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Quade, Ulrich, Thomas Kluth e Rainer Kreh. "Melting of Low-Level Radioactive Non-Ferrous Metal for Release". In The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7036.

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Siempelkamp Nukleartechnik GmbH has gained lots of experience from melting ferrous metals for recycling in the nuclear cycle as well as for release to general reuse. Due to the fact that the world market prices for non-ferrous metals like copper, aluminium or lead raised up in the past and will remain on a high level, recycling of low-level contaminated or activated metallic residues from nuclear decommissioning becomes more important. Based on the established technology for melting of ferrous metals in a medium frequency induction furnace, different melt treatment procedures for each kind of non-ferrous metals were developed and successfully commercially converted. Beside different procedures also different melting techniques such as crucibles, gas burners, ladles etc. are used. Approximately 340 Mg of aluminium, a large part of it with a uranium contamination, have been molten successfully and have met the release criteria of the German Radiation Protection Ordinance. The experience in copper and brass melting is based on a total mass of 200 Mg. Lead melting in a special ladle by using a gas heater results in a total of 420 Mg which could be released. The main goal of melting of non-ferrous metals is release for industrial reuse after treatment. Especially for lead, a cooperation with a German lead manufacturer also for recycling of non releasable lead is being planned.
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Nituica, Mihaela, Laurentia Alexandrescu, Mihai Georgescu, Maria Sonmez, Maria Daniela Stelescu, Dana Gurau, Carmen Curutiu e Stefania Stoleriu. "Biodegradable polymeric composite based on EPDM rubber and functionalized elastomeric waste". In The 8th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2020. http://dx.doi.org/10.24264/icams-2020.iv.13.

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Elastomeric and plastic materials are used in different sectors of the European Union, and their recycling and reuse is still at a low level, compared to other types of waste (paper, glass, etc.). By approaching an efficient global strategy related to waste management, it is possible to make the transition to a circular economy with low CO2 emissions, offering the population a cleaner and safer environment. Due to the transformation of waste by various methods into new value-added products, we can say that their life cycle contributes to the efficiency of the economy and to the reduction of the negative impact on the environment. Research can make a difference in preventing the generation of technological and post-consumer polymeric waste by making biodegradable polymer composites that are harmless to the environment and ecosystem. The biodegradable polymer composites based on EPDM elastomer and rubber waste (rubber powder) were made on equipment specific to elastomers and characterized rheologically and physically-mechanically according to the standards in force.
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Wasiuddin, N. M., Nouman Ali e M. R. Islam. "Use of Offshore Drilling Waste in Hot Mix Asphalt (HMA) Concrete as Aggregate Replacement". In ASME 2002 Engineering Technology Conference on Energy. ASMEDC, 2002. http://dx.doi.org/10.1115/etce2002/ee-29168.

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Despite continuous research and development on drilling fluids and waste minimization during the last 40 years, offshore drilling waste (OSDW) remains a significant environmental concern for the petroleum industry. OSDW contains three types of contaminants namely, heavy metals from drilling fluid, oil from oil based mud or petroleum contamination and naturally occurring radioactive substances from exposed formations. In this study a promising and permanent solution based on recycling of OSDW as road construction materials has been investigated. It has been revealed previously that five to ten percent of some waste materials such as recycled asphalt pavement, tire rubber, glass, roofing shingles, polythene etc. can be added to hot mix asphalt (HMA) concrete without sacrificing its strength and performance. These wastes can be added to the HMA by either replacing the mineral filler or proportionately reducing the amount of virgin material in the original mix. In this laboratory test study, different percentages of OSDW were added as aggregate replacement and the properties of resulting blends were evaluated. Three beneficial actions, namely, incineration, dilution and solidification took place. At the end, the effectiveness of using OSDW was determined with the Marshall stability and flow, permeability of HMA concrete, leachability and resilient modulus. It has been found that for the drilling waste used in this research the percentage that can be used in HMA concrete without sacrificing its properties is as high as 20%. Even though the percentage of waste that can be used as aggregate replacement varies with waste types and properties, the proposed technique offers significant promises for OSDW recycling.
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Constantinescu, Rodica Roxana, Gabriel Zainescu e Iulia Caniola. "Smart biopolymers from protein wastes used in agriculture". In The 8th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2020. http://dx.doi.org/10.24264/icams-2020.iv.4.

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Abstract (sommario):
The area of interest is the synthesis and study of properties of new types of hydrogels made from pelt waste, in order to recover waste from tanneries. The complex aspects related to protein projects in the leather industry are addressed by accurately determining a chemical composition, a skin designer and a different possibility of recovery and claiming a value, the use of biotechnology. The complex aspects related to protein waste in the leather industry are addressed by accurately determining the chemical composition of leather waste and the different possibilities of recovery and recycling using biotechnology. The technologies used in order to obtain a smart hydrogel based on collagen and natural polymers are non-polluting and waste-free. An important aspect to note is that the smart hydrogel is obtained through an almost identical technological process to the one used for medical collagen. An extensive study of the potential for reuse and recycling of leather protein waste in ecological conditions by developing innovative procedures for obtaining an NPK collagen matrix to be used successfully as smart fertilizer for modifying nutrient-poor soils. Hydrogels with collagen structure are characterized by a high-performance instrumental analysis system (FT-IR-ATR, SEM, EDAX, etc.).
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10

Bradbury, David, George R. Elder, John C. Ritchie e Robert G. Ward. "Decontamination and Provenance Tracking". In ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4566.

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Abstract (sommario):
Decommissioning of retired nuclear plants and facilities demands the proper management of the process, both for economic reasons and for retaining public confidence in the continued use of nuclear power for electricity generation. There are significant potential benefits, both economic and environmental, in recycling materials from retired nuclear facilities for new uses rather than disposing of them as radioactive waste. Although it is technically possible to decontaminate many retired nuclear components to reduce contamination levels to below those appropriate for free release into the public domain, there is some public unease at the prospect of formerly contaminated materials passing into unrestricted public use. Greater support for recycle can be achieved by converting decontaminated materials into products for new controlled uses, particularly within the nuclear industry. Irrespective of the future of nuclear power, the industry has a need for many new items such as waste containers, replacement components etc. Good economics can be achieved by decontaminating the materials and then using existing non-radioactive manufacturing facilities for fabrication of new components. Provided that materials have first been decontaminated to below unrestricted release levels, there is no objection in principle to using non-radioactive facilities for recycling and manufacturing activities, so long as the materials are properly tracked to prevent their uncontrolled release. Surface decontamination has an important role to play in these activities. Efficient and economic decontamination processes are needed to prepare materials for recycle. The EPRI DFDX Process is a process for achieving these objectives. Recent progress with this process is described.
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