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Exergoenvironmental Analysis – A New Approach to Support the Design for Environment of Chemical Processes?
Author(s) -
Buchgeister J.
Publication year - 2010
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/ceat.201000006
Subject(s) - exergy , process (computing) , process engineering , life cycle assessment , solid oxide fuel cell , environmental impact assessment , chemical process , process design , environmental analysis , pinch analysis , component (thermodynamics) , process integration , environmental science , biochemical engineering , production (economics) , engineering , computer science , chemistry , ecology , physics , thermodynamics , electrode , anode , chromatography , chemical engineering , biology , economics , macroeconomics , operating system
The design of environmental‐effective energy conversion processes can be provided by exergoenviromental analysis which is a new method supporting the design for environment. It combines an exergy analysis with a life cycle assessment (LCA) to determine thermodynamic efficiency and formation of environmental impacts on plant components. The exergoenvironmental approach is used to assign environmental impacts to all energy and material flows as well as thermodynamic inefficiencies within each process component. The analysis reveals the interdependencies between thermodynamic behavior and environmental impacts and between process components. Presenting an example of electricity production using a high‐temperature solid oxide fuel cell (SOFC) with an integrated allothermal biomass gasification process, exergoenvironmental analysis is described and the environmentally most relevant process components are identified. Furthermore, the result of the exergoenvironmental analysis is discussed with regard to utilization for process design and optimization in chemical production.