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Cs-promoted Ni/Fe catalyst as a Cr-free, high temperature shift catalyst for steam methane reformate without additional supply of steam
- Issue Date
- 15-Nov-2011
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Water gas shift reaction; High temperature shift; Ni/Fe; Alkali-metal promoted catalyst; Methanation
- Citation
- CATALYSIS COMMUNICATIONS, v.15, no.1, pp.37 - 40
- Indexed
- SCIE
SCOPUS
KCI
OTHER
- Journal Title
- CATALYSIS COMMUNICATIONS
- Volume
- 15
- Number
- 1
- Start Page
- 37
- End Page
- 40
- ISSN
- 1566-7367
- Abstract
- The goal of this study was to investigate the Cs-promoted Ni/Fe catalysts for high temperature shift reaction. The performance of all the catalysts was evaluated at 400 degrees C and 75,000 ml/g(cat) h under the reactant composition: 56.7% H(2), 10% CO, 26.7% H(2)O, and 6.7% CO(2), assuming gas production from the steam methane reformer at a H(2)O/CH(4) ratio = 3 with 100% CH(4) conversion and with no extra steam added for the protection of the catalyst. The Cs/Ni/Fe (Ni:Fe = 34:66; weight ratio) catalysts of 3.9-6.0 Cs wt.% showed excellent CO removal activities and suppressed the progress of methanation effectively. This performance was related to the increment of amount in weakly basic sites through Cs promotion. (C) 2011 Elsevier B.V. All rights reserved.
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Related Researcher
- Lee, Kwan Young
- College of Engineering (Department of Chemical and Biological Engineering)