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首页> 外文期刊>Chemical Engineering Research & Design: Transactions of the Institution of Chemical Engineers >Multi-criteria decision analysis for the selection of sustainable chemical process routes during early design stages
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Multi-criteria decision analysis for the selection of sustainable chemical process routes during early design stages

机译：选择的多目标决策分析在可持续化学过程的路线早期设计阶段

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摘要

Decision-making for sustainable design requires the evaluation of different options considering all sustainability dimensions simultaneously: economic, environmental and social. Each dimension has a specific relative importance, which depends on the process that is being assessed. The determination of the relative importance is not a simple task, principally, during early design stages when detailed information about the process is scarce, and when core decisions affecting the entire design are made. An example of this kind of decisions during early design stages is the selection of the chemical process route, which, once defined, provides the guidelines for the process design. The present study proposes a multi-criteria analysis based methodology to evaluate different chemical process route options under sustainability criteria and to guide the selection among them. The methodology uses normalized indicators to assess each sustainability dimension, and a multi-criteria analysis method (MCDA) to calculate the weights and influences between dimensions. Indicators, dimension weights and influences are integrated into the Sustainable Cumulative Index (SCI) that can be used to compare chemical process route options in sustainability terms and to support their selection. The proposed methodology is illustrated through the assessment and selection of a chemical process route to produce ethyl acetate. (C) 2016 Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
机译：可持续设计要求的决策不同的选择考虑的评价同时可持续发展方面:经济、环境和社会。维度有一个特定的相对重要性,这取决于的过程评估。重要性并不是一个简单的任务,主要是,在早期设计阶段详细信息过程是稀缺的,当影响整个设计的核心决策制造的。早期设计阶段的选择化工工艺路线,一旦定义,流程设计提供了指导方针。本研究提出了一种多标准分析方法评价不同化工工艺路线的选择可持续性标准和指导选择其中之一。归一化指标来评估可持续性的维度,和多标准分析方法(MCDA)计算权重和尺寸之间的影响。尺寸重量和影响集成到可持续的累积指数(SCI)可以用来比较化学过程路线在可持续发展方面和支持的选项他们的选择。通过评估和选择化学过程的路线产生乙醋酸。工程师。保留。

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