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A Life Cycle Inventory for the North American Steel Industry

机译：北美钢铁行业的生命周期清单

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The increasing need for data is becoming apparent as life cycle assessment becomes a popular tool for analyzing the environmental performance of product systems. Life cycle inventory is the underlying block of data necessary for completing life cycle assessment studies. The first attempt to create a flexible life cycle inventory of North American steel products was successfully completed in 1997. The American Iron and Steel Institute (AISI) with its member companies undertook the project in conjunction with a global effort guided by the International Iron and Steel Institute (HSI). A world-wide life cycle inventory of 12 steel products was initiated by HSI in December 1995. Data was collected from over 50 plants in 17 countries mostly from North American, European, and Asian markets.rnThe steel industry study is not a full life cycle inventory study because the system boundary starts with the extraction of resources from the earth and ends with the production of steel at plant gates. The transformation of the steel products into goods for consumer and industrial consumption and the use of these goods were not included. These life cycle stages will be studied in future work.rnThe North American life cycle inventory includes primary data representing 1995 production from six steel companies. Collectively, these six companies represent about 26% of annual steel production in Canada and the United States. An example of results from the life cycle inventory study is presented.
机译：随着生命周期评估成为分析产品系统环境性能的流行工具，对数据的需求日益增长。生命周期清单是完成生命周期评估研究所需的基础数据块。创建北美钢铁产品灵活的生命周期清单的首次尝试已于1997年成功完成。美国钢铁协会（AISI）及其成员公司在国际钢铁协会的指导下进行了全球合作研究所（HSI）。 HSI于1995年12月启动了全球12种钢铁产品生命周期清单。数据来自17个国家的50多家工厂，主要来自北美，欧洲和亚洲市场。rn钢铁行业研究并非完整的生命周期之所以进行清单研究，是因为系统边界始于从地球上开采资源，结束于工厂大门处的钢铁生产。不包括将钢铁产品转变为用于消费和工业消费的商品以及这些商品的使用。这些生命周期阶段将在以后的工作中进行研究。北美生命周期清单包括代表6家钢铁公司1995年生产的主要数据。这六家公司合计占加拿大和美国钢铁年产量的26％。给出了生命周期清单研究结果的示例。

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