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      Remanufacturing approaches contributing to sustainable engineering Translated title: Abordagens de remanufatura - uma contribuição para engenharia sustentável

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          Abstract

          Increasing use of resources by an increasing population with unequally distributed wealth make sustainability an urgent topic to pay attention to. A reference model for sustainability in engineering is presented referring to education and research, management, technology, processes and products as the relevant issues for a global change to sustainability. The European environmental laws for sustainable development are an attempt to cope with this challenge by legislative means. The provocative reality of practical implementation in dealing with electric and electronic products after their usage phases in Europe is illustrated. Laboratory developments in disassembly and testing demonstrate the feasibility of remanufacturing. In addition, approaches to increase the efficiency of remanufacturing by improving the product design are introduced.

          Translated abstract

          O crescente uso de recursos gerado pelo contínuo crescimento populacional inserido em um cenário de distribuição desigual de riqueza faz do termo sustentabilidade um tópico urgente para discussão. Neste artigo, apresenta-se um modelo de referência para sustentabilidade em engenharia que aborda questões relevantes para uma mudança global no caminho para a sustentabilidade, priorizando os seguintes elementos: educação e pesquisa; gestão, tecnologia, processos e produtos. As leis ambientais da União Européia esforçam-se para tratar com responsabilidade esse desafio de desenvolvimento sustentável. A realidade de implementações práticas em consideração a produtos eletro-eletrônicos depois de sua fase de uso é ilustrada no artigo. Desenvolvimentos em laboratório de desmontagens e testes demonstram a viabilidade da remanufatura. Além disso, abordagens para aumentar a eficiência do processo de remanufatura a partir de melhorias no processo de desenvolvimento do produto são também sugeridas.

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          The 1.7 Kilogram Microchip:  Energy and Material Use in the Production of Semiconductor Devices

          The scale of environmental impacts associated with the manufacture of microchips is characterized through analysis of material and energy inputs into processes in the production chain. The total weight of secondary fossil fuel and chemical inputs to produce and use a single 2-gram 32MB DRAM chip are estimated at 1600 g and 72 g, respectively. Use of water and elemental gases (mainly N2) in the fabrication stage are 32,000 and 700 g per chip, respectively. The production chain yielding silicon wafers from quartz uses 160 times the energy required for typical silicon, indicating that purification to semiconductor grade materials is energy intensive. Due to its extremely low-entropy, organized structure, the materials intensity of a microchip is orders of magnitude higher than that of "traditional" goods. Future analysis of semiconductor and other low entropy high-tech goods needs to include the use of secondary materials, especially for purification.
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            Electronic Product Recovery and Recycling Baseline Report: Recycling of Selected Electronic Products in the United States

            (1999)
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              Modulare Produktentwicklung. Zur gemeinsamen Gestaltung von Technik und Organisation

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                gp
                Gestão & Produção
                Gest. Prod.
                Universidade Federal de São Carlos (São Carlos )
                1806-9649
                December 2006
                : 13
                : 3
                : 367-384
                Affiliations
                [1 ] Technische Universtítät Berlin Germany
                Article
                S0104-530X2006000300002
                10.1590/S0104-530X2006000300002
                1e4b9265-f144-4ff2-8121-4c4cc8a2bdbc

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0104-530X&lng=en
                Categories
                ENGINEERING, MANUFACTURING

                General engineering
                sustainability,engineering,remanufacturing,design for remanufacturing,modularity,sustentabilidade,engenharia,remanufatura,projeto para manufatura,modularidade

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