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Corrosion resistance of 304L, 310S and APMT in simulated biomass gasification environments
Swerea KIMAB AB, Stockholm, Sweden.ORCID iD: 0000-0002-6326-4084
2011 (English)In: European Corrosion Congress 2011, EUROCORR 2011, Curran Associates, Inc., 2011, Vol. 2, p. 1035-1043Conference paper, Published paper (Refereed)
Abstract [en]

Gasification of biomass and waste is one feasible solution for the production of environmentally-friendly substitutes for motor fuels and chemicals. In the present study the austenitic stainless steels 304L and 310S, together with the ferritic APMT were exposed to conditions expected during biomass gasification. Isothermal experiments were performed for 200h at 500°C and 600°C in a bulk gas composition of 40%H 2-30%CO-20%CO 2-10%H 2O. Different exposures were conducted with HCl-concentrations of 0,500 and 1000 ppm. The corrosion behaviour was analysed using SEM-EDS, GDOES, XRD and CLSM. In the syngas atmosphere without HCl no signs of pitting attack or carbon ingress could be observed. In the presence of HCl, pitting attack and graphite formation became evident for both the 304L and 310S alloys. The attack became more severe at higher temperature and HCl-concentration. While the austenitic stainless steels suffered from accelerated corrosion in the presence of chlorine, the ferritic steel APMT displayed a smooth and thin oxide scale under all conditions. The general materials performance observed were of the order APMT > 310S > 304L. The results are discussed in terms of a detrimental effect of chlorine on the ability to form protective oxide scales.

Place, publisher, year, edition, pages
Curran Associates, Inc., 2011. Vol. 2, p. 1035-1043
National Category
Other Materials Engineering Inorganic Chemistry Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-233946Scopus ID: 2-s2.0-84860895799ISBN: 9781618394125 (print)OAI: oai:DiVA.org:kth-233946DiVA, id: diva2:1244474
Conference
European Corrosion Congress 2011, EUROCORR 2011, Stockholm, Sweden, 4 September 2011 through 8 September 2011
Note

QC 20180903

Available from: 2018-09-01 Created: 2018-09-01 Last updated: 2018-09-03Bibliographically approved

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CiteExportLink to record
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