Investigation of reforming catalyst deactivation by exposure to fly ash from biomass gasification in laboratory scale

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Fältnamn	Indikatorer	Metadata
000		05251naa a2200505 4500
001		oai:DiVA.org:vxu-2765
003		SwePub
008		071214s2007 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
009		oai:lup.lub.lu.se:b4806e27-9706-468b-aa28-0ceccde7833b
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:vxu:diva-27652 URI
024	7	a https://doi.org/10.1021/ef060633k2 DOI
024	7	a https://lup.lub.lu.se/record/6561592 URI
040		a (SwePub)lnud (SwePub)lu
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Einvall, Jessicau Växjö universitet,Institutionen för teknik och design4 aut0 (Swepub:lnu)jeikem
245	1 0	a Investigation of reforming catalyst deactivation by exposure to fly ash from biomass gasification in laboratory scale
264		c 2007-08-22
264	1	b American Chemical Society (ACS),c 2007
338		a print2 rdacarrier
520		a Production of synthesis gas by catalytic reforming of product gas from biomass gasification can lead to catalyst deactivation by the exposure to ash compounds present in the flue gas. The impact of fly ash from biomass gasification on reforming catalysts was studied at the laboratory scale. The investigated catalyst was Pt/Rh based, and it was exposed to generated K2SO4 aerosol particles and to aerosol particles produced from the water-soluble part of biomass fly ash, originating from a commercial biomass combustion plant. The noble metal catalyst was also compared with a commercial Ni-based catalyst, exposed to aerosol particles of the same fashion. To investigate the deactivation by aerosol particles, a flow containing submicrometer-size selected aerosol particles was led through the catalyst bed. The particle size of the poison was measured prior to the catalytic reactor system. Fresh and aerosol particle exposed catalysts were characterized using BET surface area, XRPD (X-ray powder diffraction), and H2 chemisorption. The Pt/Rh catalyst was also investigated for activity in the steam methane reforming reaction. It was found that the method to deposit generated aerosol particles on reforming catalysts could be a useful procedure to investigate the impact of different compounds possibly present in the product gas from the gasifier, acting as potential catalyst poisons. The catalytic deactivation procedure by exposure to aerosol particles is somehow similar to what happens in a real plant, when a catalyst bed is located subsequent to a biomass gasifier or a combustion boiler. Using different environments (oxidizing, reducing, steam present, etc.) in the aerosol generation adds further flexibility to the suggested aerosol deactivation method. It is essential to investigate the deactivating effect at the laboratory scale before a full-scale plant is taken into operation to avoid operational problems.
650	7	a TEKNIK OCH TEKNOLOGIERx Naturresursteknikx Energisystem0 (SwePub)207022 hsv//swe
650	7	a ENGINEERING AND TECHNOLOGYx Environmental Engineeringx Energy Systems0 (SwePub)207022 hsv//eng
650	7	a TEKNIK OCH TEKNOLOGIERx Kemiteknik0 (SwePub)2042 hsv//swe
650	7	a ENGINEERING AND TECHNOLOGYx Chemical Engineering0 (SwePub)2042 hsv//eng
650	7	a TEKNIK OCH TEKNOLOGIERx Maskinteknikx Produktionsteknik, arbetsvetenskap och ergonomi0 (SwePub)203072 hsv//swe
650	7	a ENGINEERING AND TECHNOLOGYx Mechanical Engineeringx Production Engineering, Human Work Science and Ergonomics0 (SwePub)203072 hsv//eng
653		a Biotechnology
653		a Bioteknik
700	1	a Albertazzi, Simoneu Bologna University, Italy4 aut
700	1	a Hulteberg, Christianu Lund University,Lunds universitet,Avdelningen för kemiteknik,Institutionen för processteknik och tillämpad biovetenskap,Institutioner vid LTH,Lunds Tekniska Högskola,Division of Chemical Engineering,Department of Process and Life Science Engineering,Departments at LTH,Faculty of Engineering, LTH,Catator AB4 aut0 (Swepub:lu)chem-chu
700	1	a Malik, Azharu Växjö universitet,Institutionen för teknik och design4 aut
700	1	a Basile, Francescou Bologna University, Italy4 aut
700	1	a Larsson, Ann-Charlotteu Växjö universitet,Institutionen för teknik och design4 aut0 (Swepub:lnu)anlaab
700	1	a Brandin, Janu Catator AB4 aut0 (Swepub:lnu)jbrbie
700	1	a Sanati, Mehriu Lund University,Lunds universitet,Växjö universitet,Institutionen för teknik och design,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Ergonomics and Aerosol Technology,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)desi-msa
710	2	a Växjö universitetb Institutionen för teknik och design4 org
773	0	t Energy & Fuelsd : American Chemical Society (ACS)g 21:5, s. 2481-2488q 21:5<2481-2488x 0887-0624x 1520-5029
856	4	u http://pubs.acs.org/doi/pdf/10.1021/ef060633ky FULLTEXT
856	4	u http://dx.doi.org/10.1021/ef060633ky FULLTEXT
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:vxu:diva-2765
856	4 8	u https://doi.org/10.1021/ef060633k
856	4 8	u https://lup.lub.lu.se/record/656159

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