Heat Integrated Heat Pumping for Biomass Gasification Processing

Martin Pavlas*, Petr Stehlík, Jaroslav Oral1, Jirí Klemeš2#, Jin-Kuk Kim2, Barry Firth3

Brno University of Technology, Institute of Process and Environmental Engineering, UPEI
VUT Brno, Technická 2, 616 69 Brno, Czech Republic, Phone: +420 5 4114 2367, Fax: +420
5 4114 2177, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. (corresponding author), This email address is being protected from spambots. You need JavaScript enabled to view it.
1EVECO Brno Ltd., Rybkova 1, 602 00 Brno, Czech Republic
2 Centre for Process Integration, CEAS, The University of Manchester, Po Box 88,
Manchester, M60 1QD, UK

# Present address: EC Marie Curie Chair (EXC) “INEMAGLOW”, Centre for Process
Integration and Intensification – CPI2, Research Institute of Chemical and Process
Engineering, FIT, University of Pannonia, Egyetem u. 10, 8200 Veszprém, Hungary

3Firth Executive Ltd, Porthdafarch, Holyhead, Wales, LL65 2LS, UK

The main part of this paper is an industrial case study. It deals with an application of a heat pump in energy systems for biomass gasification in a wood processing plant. Process Integration methodology is applied to deal with complex design interactions as many streams requiring heating and cooling are involved in the energy recovery. A refrigeration cycle maintains low temperature in the scrubber where the production gas (or synthesis gas – syngas) is cooled and undesirable contaminants are removed before the syngas is introduced into the engine. In addition to electricity generation, a large amount of waste heat is available in the biomass gasification system studied in the paper, and its appropriate heat integration with utility systems within a plant allows the available heat to be efficiently utilized for the site. The conceptual understanding gained from the case study provides systematic design guidelines for further process development and industrial implementation in practice

Applied Thermal Engineering (2009) doi: 10.1016/j.applthermaleng.2009.03.013

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