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Deactivation of a Ni-Based Reforming Catalyst During the Upgrading of the Producer Gas, from Simulated to Real Conditions
Vise andre og tillknytning
2011 (engelsk)Inngår i: Topics in catalysis, ISSN 1022-5528, E-ISSN 1572-9028, Vol. 54, nr 10, s. 746-754Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The deactivation of a nickel reforming catalyst during the upgrading of the producer gas obtained by gasification of lignocellulosic biomass was studied. The research involved several steps: the selective deactivation of the catalyst in a laboratory scale; the streaming of the catalyst with the producer gas of a downdraft and an oxygen/steam circulating fluidized bed (CFB) gasifier; and tests in a reformer placed in a slipstream of the CFB gasifier. The information obtained allowed to elucidate the catalyst deactivation mechanisms taking place during the reforming of the producer gas: physical deactivation by deposition of fine ashes, aerosol particulate or carbon; poisoning by H2S and HCl present in the gas phase and thermal sintering because of the high operation temperatures required to avoid the chemical deactivation. These physical and chemical effects depended on the composition of the biomass fuel.

sted, utgiver, år, opplag, sider
2011. Vol. 54, nr 10, s. 746-754
Emneord [en]
Producer gas upgrading, Reforming, Ni catalyst, Deactivation
HSV kategori
Forskningsprogram
Teknik, Bioenergiteknik
Identifikatorer
URN: urn:nbn:se:lnu:diva-13445DOI: 10.1007/s11244-011-9689-7OAI: oai:DiVA.org:lnu-13445DiVA, id: diva2:429729
Prosjekter
CHRISGASTilgjengelig fra: 2011-07-05 Laget: 2011-07-05 Sist oppdatert: 2017-12-11bibliografisk kontrollert

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Forlagets fullteksthttp://dx.doi.org/10.1007/s11244-011-9689-7

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Brandin, JanEinvall, Jessica

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