Environmental impacts of product systems in a life cycle perspective

作者: Ole Jørgen Hanssen

DOI: 10.1016/S0959-6526(98)00031-6

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摘要: Abstract This paper summarizes results of 18 LCA studies a variety products from Norway and Sweden. The were categorized into five groups based on the functionality application characteristics, in order to investigate feasibility generalization results. product were: I: that are transformed chemically their application; II: stationary, inert without intrinsic energy consumption use phase; III: with IV: transport V: phase. Statistical tests carried out analyze significance characterization groups, both within between groups. hypothesis was, among each group, environmental impacts would show similar patterns, when distributed six life cycle subsystems raw material extraction, manufacturing, distribution, packaging, final waste management. there significant differences related stages whereas very few comparisons types significant. most important general processing, There also large evaluation different valuation systems used study. It is concluded stages, these probably even larger looking average European conditions. should thus only be generalized under specific Norwegian Swedish conditions, especially regarding production.

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