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District heating-driven membrane distillation in industrial-scale bioethanol production: Techno economic study
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.ORCID iD: 0000-0002-4369-9689
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.
2016 (English)Conference paper (Refereed)
Abstract [en]

In this study, membrane distillation integrated with district heating network has been investigated for applications in a bioethanol production plant. The specific application considered was recovery of ethanol from CO2 scrubber water, where the main objective of this study was to develop an air gap membrane distillation system that is driven by heat from district heating network, to offload the distillation column. Experiments on membrane distillation lab unit along with data from the industry were used to assess the technologic and economic feasibilities of this system. Comparisons were also made between the distillation columns and membrane distillation units in terms of heat demand and economic savings. Results of the study showed that MD can be a competitive technology for ethanol concentration depending on availability of low-grade heat like district heating or waste heat.

Place, publisher, year, edition, pages
University of Ljubljana , 2016. , 15 p.1-15 p.
Series
, Proceedings of the 29th International Conference on Efficiency, Cost, Optimisation, Simulation and Environmental Impact of Energy Systems
Keyword [en]
Membrane Distillation, District Heating, Energy Demand, Techno-Economy, Bioethanol, CO2 Scrubber
National Category
Engineering and Technology
Research subject
Energy Technology
Identifiers
URN: urn:nbn:se:kth:diva-189860ISBN: 978-961-6980-15-9OAI: oai:DiVA.org:kth-189860DiVA: diva2:949467
Conference
THE 29TH INTERNATIONAL CONFERENCE ON EFFICIENCY, COST, OPTIMIZATION, SIMULATION AND ENVIRONMENTAL IMPACT OF ENERGY SYSTEMS
Note

QC 20160727

Available from: 2016-07-19 Created: 2016-07-19 Last updated: 2016-07-27Bibliographically approved

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ReferencesLink to record
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