The review of Cr-free Fe-based catalysts for high-temperature water-gas shift reactions

Dae Won Lee, Myung Suk Lee, Joon Yeob Lee, Seongmin Kim, Hee Jun Eom, Dong Ju Moon, Kwan Young Lee

Research output: Contribution to journalArticle

63 Citations (Scopus)

Abstract

Since it was patented by Bosch and Wild at 1914, the Fe/Cr-based mixed oxide catalyst has been used for water-gas shift reactions (WGSRs). Until the present, this catalyst has been used as the primary catalyst for industrial high-temperature shift (HTS) reactions. However, because environmental concerns about chromium elements were raised in the early 1980s, the replacement of chromium in HTS catalysts has been intensely studied by many groups. These studies have contributed notable insights into HTS catalysis using Fe-based oxides, especially about the reaction mechanism and functions of promoter elements. In some cases, the potential of using a substituent metal previously neglected because of properties inferior to those of chromium was rediscovered after noteworthy improvements were produced by combining it with other metals in promoting the Fe-oxide catalyst. This paper reviews the recent studies of Cr-free Fe-based HTS catalysts, especially focusing on the roles and functions of the non-chromium promoters in the catalysts.

Original languageEnglish
Pages (from-to)2-9
Number of pages8
JournalCatalysis Today
Volume210
DOIs
Publication statusPublished - 2013 Jul 1

Fingerprint

Water gas shift
Catalysts
Chromium
Oxides
Temperature
Metals
Catalysis

Keywords

  • Fe/Cr catalysts: Cr-free catalysts
  • High-temperature shift
  • Water-gas shift reaction

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

Cite this

The review of Cr-free Fe-based catalysts for high-temperature water-gas shift reactions. / Lee, Dae Won; Lee, Myung Suk; Lee, Joon Yeob; Kim, Seongmin; Eom, Hee Jun; Moon, Dong Ju; Lee, Kwan Young.

In: Catalysis Today, Vol. 210, 01.07.2013, p. 2-9.

Research output: Contribution to journalArticle

Lee, Dae Won ; Lee, Myung Suk ; Lee, Joon Yeob ; Kim, Seongmin ; Eom, Hee Jun ; Moon, Dong Ju ; Lee, Kwan Young. / The review of Cr-free Fe-based catalysts for high-temperature water-gas shift reactions. In: Catalysis Today. 2013 ; Vol. 210. pp. 2-9.
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