Paper Title:
High-Temperature Sulfidation of Crofer 22APU in Atmospheres Containing H2S and H2O
  Abstract

The work presents analyses of Crofer 22APU steel oxidation in hydrogen atmosphere containing 300 ppm H2S and in hydrogen atmosphere containing 300 ppm and 1% H2O. The oxidation process was conducted on two kinds of samples: pre-oxidized (pre-oxidation process was carried out in the air at a temperature of 800°C during 100 h), and not pre-oxidized at a temperature of 600 and 800°C using periodic method during 500 h. It was established that oxidation rate may be described by means of parabolic law. Determined parabolic rate constants indicate that not pre-oxidized samples undergo sulphurization in H2/300ppm H2S atmosphere, while in H2/300ppm H2S + 1%H2O atmosphere they undergo oxidation 3-4 orders of magnitude slower.

  Info
Periodical
Advanced Materials Research (Volumes 347-353)
Chapter
Chapter 7: Hydrogen and Fuel Cell
Edited by
Weiguo Pan, Jianxing Ren and Yongguang Li
Pages
3321-3324
DOI
10.4028/www.scientific.net/AMR.347-353.3321
Citation
Z. Żurek, A. Jaron, A. Gil, "High-Temperature Sulfidation of Crofer 22APU in Atmospheres Containing H2S and H2O", Advanced Materials Research, Vols. 347-353, pp. 3321-3324, 2012
Online since
October 2011
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$32.00
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