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Process integration in bioprocess indystry: waste heat recovery in yeast and ethyl alcohol plant

P. Rašković, A. Anastasovski, Lj. Markovska and V. Meško

Energy, 2010, vol. 35, issue 2, 704-717

Abstract: The process integration of the bioprocess plant for production of yeast and alcohol was studied. Preliminary energy audit of the plant identified the huge amount of thermal losses, caused by waste heat in exhausted process streams, and reviled the great potential for energy efficiency improvement by heat recovery system. Research roadmap, based on process integration approach, is divided on six phases, and the primary tool used for the design of heat recovery network was Pinch Analysis. Performance of preliminary design are obtained by targeting procedure, for three process stream sets, and evaluated by the economic criteria. The results of process integration study are presented in the form of heat exchanger networks which fulfilled the utilization of waste heat and enable considerable savings of energy in short payback period.

Keywords: Process integration; Bioprocess industry; Yeast and ethyl alcohol production plant; Pinch analysis; Waste heat recovery (search for similar items in EconPapers)
Date: 2010
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Handle: RePEc:eee:energy:v:35:y:2010:i:2:p:704-717