PCvsGlass Final

Information about PCvsGlass Final

Published on January 8, 2008

Author: Biaggia

Source: authorstream.com

Content

Life Cycle Analysis of Glass vs. Polycarbonate Sidelights:  Life Cycle Analysis of Glass vs. Polycarbonate Sidelights Natalie Henry Jaymie Meliker Mike Turnbull Melissa Vernon April 14, 1999 Agenda:  Agenda Goals System Overview Life Cycle Costs Impacts - Energy, Solid Waste, Air, Water Drivers Summary Recommendations Goal:  Goal Evaluate two automobile sidelight systems Sidelight = all windows except windshield Polycarbonate: 40% lighter than glass 200 times more resistant to shatter Glass: scratch resistant System Overview:  System Overview Data Sources: Eco-profiles of the European Plastics Industry: polycarbonate Life Cycle Inventories for Packaging: packaging glass Assumptions:  Assumptions Packaging glass data equivalent to flat glass PC does not need scratch resistant coating Equivalent mfg, recycling practices in Europe & US Identical mechanisms for window function during use phase Polycarbonate Flow Diagram:  Polycarbonate Flow Diagram Glass Flow Diagram:  Glass Flow Diagram Vehicle of Study:  Vehicle of Study Vehicle: Chevy Express G Van Total surface area of sidelights = 51 sq ft Useful life of van = 110,000 miles Fuel Economy = 16.4 mpg Life Cycle Costs:  Life Cycle Costs Energy, Solid Waste, Water Emissions Summary:  Energy, Solid Waste, Water Emissions Summary Air Emissions Summary:  Air Emissions Summary Key Drivers:  Key Drivers PC Glass Summary of Results:  Summary of Results Glass Lower environmental impact in Mfg phase Lower total: Particulate matter SO2 Lower total cost Polycarbonate Lower environmental impact in Use phase Lower total: NOx & HC Solid waste CO Lead in air emissions Overall: Neither product system is more environmentally friendly Recommendations:  Recommendations PC Manufacturers Reduce manufacturing costs Improve scratch resistant coating Develop single unit for sidelight & encapsulation Glass Manufacturers Reduce/recover energy used in manufacturing Increase recycled content from 15% to 50% Overall: Improve mpg of automobile End of life material recovery and recycling Questions & Answers:  Questions & Answers

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