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Development of an integrated life-cycle cost assessment model

机译:开发集成的生命周期成本评估模型

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摘要

Life-cycle analytic techniques include emerging tools that help users integrate holistic perspectives into the decision making process. One such technique, life-cycle assessment (LCA), provides decision makers valuable information on inputs, outputs, and associated environmental impacts of a defined system throughout its entire life cycle-from the acquisition of raw materials to recycling or final disposal of waste materials. Although LCA is useful for environmental decision making, it typically lacks information on costs. Including cost information in LCA would make it a more powerful overall decision making tool. This paper provides background on state-of-the-art LCA and cost assessment techniques with the objective of building an integrated, user-based life-cycle cost assessment (LCCA) model. The foundation for the model is the existing LCA framework, as developed by the US Environmental Protection Agency (EPA) and the Society of Environmental Toxicology and Chemistry (SETAC). Working definitions for key LCCA terms are provided, and a conceptual framework for the LCCA model is outlined.
机译:生命周期分析技术包括新兴工具,可帮助用户将整体观点整合到决策过程中。一种这样的技术,即生命周期评估(LCA),可为决策者提供有关整个系统整个生命周期(从原材料的获取到废物的回收或最终处置)的输入,输出以及已定义系统的相关环境影响的有价值的信息。 。尽管LCA对于环境决策很有用,但它通常缺乏有关成本的信息。在LCA中包含成本信息将使其成为更强大的整体决策工具。本文提供了最新的LCA和成本评估技术的背景,目的是建立一个基于用户的集成的生命周期成本评估(LCCA)模型。该模型的基础是由美国环境保护署(EPA)和环境毒理学和化学学会(SETAC)开发的现有LCA框架。提供了关键LCCA术语的工作定义,并概述了LCCA模型的概念框架。

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