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Process simulation and comparison of biological conversion of syngas and hydrogen in biogas plants
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0003-2661-1961
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0002-5014-3275
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0002-3485-5440
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0003-0300-0762
2017 (English)In: E3S Web of Conferences, EDP Sciences , 2017, article id 00151Conference paper, Published paper (Refereed)
Abstract [en]

Organic waste is a good source of clean energy. However, different fractions of waste have to be utilized efficiently. One way is to find pathways to convert waste into useful products via various available processes (gasification, pyrolysis anaerobic digestion, etc.) and integrate them to increase the combined efficiency of the process. The syngas and hydrogen produced from the thermal conversion of biomass can be upgraded to biomethane via biological methanation. The current study presents the simulation model to predict the amount of biomethane produced by injecting the hydrogen and syngas. Hydrogen injection is modelled both in-situ and ex-situ while for syngas solely the ex-situ case has been studied. The results showed that 85% of the hydrogen conversion was achieved for the ex-situ reactor while 81% conversion rate was achieved for the in-situ reactor. The syngas could be converted completely in the bio-reactor. However, the addition of syngas resulted in an increase of carbon dioxide. Simulation of biomethanation of gas addition showed a biomethane concentration of 87% while for hydrogen addition an increase of 74% and 80% for in-situ and ex-situ addition respectively.

Place, publisher, year, edition, pages
EDP Sciences , 2017. article id 00151
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-37413DOI: 10.1051/e3sconf/20172200151Scopus ID: 2-s2.0-85034417235OAI: oai:DiVA.org:mdh-37413DiVA, id: diva2:1163682
Conference
International Conference on Advances in Energy Systems and Environmental Engineering, ASEE 2017, 2 July 2017 through 5 July 2017, Wroclaw, POLAND
Available from: 2017-12-07 Created: 2017-12-07 Last updated: 2018-06-14

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Salman, Chaudhary AwaisSchwede, SebastianThorin, EvaYan, Jinyue

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