lca沒美國鋼產(chǎn)品的生命周期評價-文庫吧
2025-02-07 17:16 本頁面
【正文】 ional policy plans? EU’s Integrated Product Policy? UNEP’s International Declaration on Cleaner Production? etc.– Influence consumption and production patterns? clean(er) production? ecolabel? product stewardship? etc.91010D r a f tWhy LCA? (2)? Why an integrated information tool?– Prevent problem shifting? to other life cycle stages? to other substances? to other environmental problems? to other countries? to the future101111D r a f tWhy LCA? (3)? Why a method?– To structure the large amount of plex data– To facilitate parisons across product alternatives– To enable benchmarking11Why LCA? (4)? Why plex data?Product property Incandescent lamp Fluorescent lamppower consumption 60 W 18 Wlife span 1000 hr 5000 hrmass 30 g 540 gmercury content 0 mg 2 mgetc … …D r a f t12ISO 14040 framework (3)Source: ISO 14040D r a f t131414D r a f tPhase 1: Goal and scope definition (1)? Phase of life cycle assessment in which the aim of the study, and in relation to that, the breadth and depth of the study is established– goal definition– scope definition141515D r a f tPhase 1: Goal and scope definition (2)? Goal definition:– intended application? product development and improvement? strategic planning? public decision making? marketing? other– reasons for carrying out the study– intended audience151616D r a f tPhase 1: Goal and scope definition (3)? Scope definition:– function, functional unit and reference flow– initial choices? system boundaries? data quality? …– critical review and other procedural aspects161717D r a f tPhase 1: Goal and scope definition (4)? Functional unit:– parison on the basis of an equivalent function– example: 1000 lite
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