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Integration of an electrolysis unit for producer gas conditioning in a bio-synthetic natural gas plant
International Institute for Applied Systems Analysis (IIASA), Laxenburg.ORCID-id: 0000-0002-4909-6643
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Energivetenskap.ORCID-id: 0000-0002-2314-8097
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Energivetenskap.ORCID-id: 0000-0002-4532-4530
School of Chemical Science and Engineering, KTH Royal Institute of Technology.
Vise andre og tillknytning
2019 (engelsk)Inngår i: Journal of energy resources technology, ISSN 0195-0738, E-ISSN 1528-8994, Vol. 141, nr 1, artikkel-id 012002Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Producer gas from biomass gasification contains impurities like tars, particles, alkali salts, and sulfur/nitrogen compounds. As a result, a number of process steps are required to condition the producer gas before utilization as a syngas and further upgrading to final chemicals and fuels. Here, we study the concept of using molten carbonate electrolysis cells (MCEC) both to clean and to condition the composition of a raw syngas stream, from biomass gasification, for further upgrading into synthetic natural gas (SNG). A mathematical MCEC model is used to analyze the impact of operational parameters, such as current density, pressure and temperature, on the quality and amount of syngas produced. Internal rate of return (IRR) is evaluated as an economic indicator of the processes considered. Results indicate that, depending on process configuration, the production of SNG can be boosted by approximately 50-60% without the need of an additional carbon source, i.e., for the same biomass input as in standalone operation of the GoBi-Gas plant. Copyright

sted, utgiver, år, opplag, sider
The American Society of Mechanical Engineers (ASME) , 2019. Vol. 141, nr 1, artikkel-id 012002
HSV kategori
Forskningsprogram
Energiteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-70732DOI: 10.1115/1.4040942ISI: 000452421900004Scopus ID: 2-s2.0-85052065806OAI: oai:DiVA.org:ltu-70732DiVA, id: diva2:1244841
Merknad

Validerad;2018;Nivå 2;2018-09-03 (andbra)

Tilgjengelig fra: 2018-09-03 Laget: 2018-09-03 Sist oppdatert: 2019-02-13bibliografisk kontrollert

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Mesfun, SennaiLundgren, JoakimToffolo, Andrea

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