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23rd European Symposium on Computer Aided Process Engineering by Ilkka Turunen, Andrzej Kraslawski

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An Uncertainty Assessment Framework for LCA-based Environmental Process Design

Johannes Junga, Niklas von der Assena and André Bardowa,    aRWTH Aachen University, Institute of Technical Thermodynamics, Schinkelstr. 8, 52062 Aachen, Germany

Abstract

Environmental process design methods often incorporate life-cycle assessment (LCA) as a deterministic black-box methodology. However, LCA suffers from several sources of ambiguity and uncertainty. These limitations are particularly severe for the multi-functional processes typical for the chemical industry. This work introduces a rigorous uncertainty assessment framework. The framework quantifies data uncertainties and also uncertainties that result from fixing multi-functionality in LCA by allocation. ...

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