tailieunhanh - THE IMPORTANCE OF RECYCLING TO THE ENVIRONMENTAL PROFILE OF METAL PRODUCTS

The initiative that emerged from these discussions within ARL came to be known as the “Cloud Library” project, because it posited a future in which library collections and services would be sourced from external providers, reducing local infrastructure and operational expenditures in a manner analogous to the cloud-sourced business and computing solutions that now prevail in the commercial and high-tech sectors. Funded by The Andrew W. Mellon Foundation, the project was staffed by a team of investigators from the HathiTrust, the Research Collections Access and Preservation consortium (ReCAP), New York University Libraries, and OCLC Research. This report provides a. | Edited by . Stewart Jr. . Daley and . Stephens 19 THE IMPORTANCE OF RECYCLING TO THE ENVIRONMENTAL PROFILE OF METAL PRODUCTS K. J. Martchek Alcoa Inc. 201 Isabella Street Pittsburgh PA. 15212 . ABSTRACT This introductory presentation will highlight recent efforts to quantify the positive value of recycling metals such as aluminum magnesium lead zinc nickel and copper in relation to the three pillars of sustainable development - environmental protection economic development and improve social consequences. This presentation will provide an overview of life cycle assessment profiles increasingly being utilized by customers regulators and envừonmental advocacy groups to holistically evaluate the envừonmental performance of materials and products. The environmental profiles of products containing recycled metal will be presented based on rules established by the International Organization for Standardization ISO . Significant to the life cycle profile of metal products is recent confirmation that recycling has the potential to reduce materials production energy consumption by 95 for aluminum 80 for magnesium and lead 75 for zinc and 70 for copper. Furthermore metals are eminently and repeatedly recyclable while maintaining all their properties 1 . Their durability relative to many hydrocarbon based materials enhance theữ life cycle performance. However file persistence of metals when dispersed into our natural environmental makes recovery and recycling particularly important Overall when considering life cycle effects recycling is critical to a sustainable future for metal products. Finally regional and international regulations will be highlighted which will effect the efficient recovery and recycle of metals and their overall contribution to environmental protection economic development and the enhancement of society. Recycling of Metals and Engineered Materials Edited by . Stewart R. Stephens and . Daley TMS The Minerals Metals Materials Society

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