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Integration of an electrolysis unit for producer gas conditioning in a bio-SNG plant
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Energivetenskap. International Institute for Applied Systems Analysis (IIASA), Laxenburg.ORCID-id: 0000-0002-4909-6643
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Energivetenskap. International Institute for Applied Systems Analysis (IIASA), Laxenburg.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.
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2017 (Engelska)Ingår i: 30th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems, ECOS 2017, International Measurement Confederation (IMEKO) , 2017Konferensbidrag, Publicerat paper (Refereegranskat)
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 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 tailored syngas produced. Investment opportunity is evaluated as an economic indicator of the processes considered. Results indicate that the production of SNG can be boosted by approximately 50% without the need of an additional carbon source, i.e. for the same biomass input as in standalone operation of the GoBiGas plant.

Ort, förlag, år, upplaga, sidor
International Measurement Confederation (IMEKO) , 2017.
Nationell ämneskategori
Energiteknik
Forskningsämne
Energiteknik; Energiteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-69897OAI: oai:DiVA.org:ltu-69897DiVA, id: diva2:1224182
Konferens
30th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems, ECOS 2017, San Diego, United States, 2-6 July 2017
Tillgänglig från: 2018-06-26 Skapad: 2018-06-26 Senast uppdaterad: 2018-06-26Bibliografiskt granskad

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Mesfun, SennaiLundgren, JoakimToffolo, Andrea

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