High temperature water–gas shift without pre-reduction over spinel ferrite catalysts synthesized by glycine assisted sol–gel combustion method

Dae Woon Jeong, Won Jun Jang, Jae Oh Shim, Hyun Seog Roh

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Selected metal ions (Ni, Co, Mn, Mg, or Zn) were introduced into iron oxide (spinel lattice) and the resulting materials screened for catalytic activity for the high temperature water–gas shift reaction using waste-derived syngas. The active phase of spinel ferrite catalysts was directly synthesized by the glycine assisted sol–gel combustion method under a reducing atmosphere. Among the prepared catalysts, NiFe2O4 catalyst showed the highest CO conversion (81%) with stability even at a very high gas hourly space velocity of 40,057 h−1. This result was primarily due to the inverse spinel structure and easier reducibility of NiFe2O4 catalyst.

Original languageEnglish
Pages (from-to)3870-3876
Number of pages7
JournalInternational Journal of Hydrogen Energy
Volume41
Issue number6
DOIs
Publication statusPublished - 2016 Feb 19

Fingerprint

glycine
spinel
Ferrite
Amino acids
ferrites
catalysts
Catalysts
shift
Temperature
synthesis gas
Iron oxides
iron oxides
Metal ions
catalytic activity
Catalyst activity
metal ions
atmospheres
Gases
gases

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

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abstract = "Selected metal ions (Ni, Co, Mn, Mg, or Zn) were introduced into iron oxide (spinel lattice) and the resulting materials screened for catalytic activity for the high temperature water–gas shift reaction using waste-derived syngas. The active phase of spinel ferrite catalysts was directly synthesized by the glycine assisted sol–gel combustion method under a reducing atmosphere. Among the prepared catalysts, NiFe2O4 catalyst showed the highest CO conversion (81{\%}) with stability even at a very high gas hourly space velocity of 40,057 h−1. This result was primarily due to the inverse spinel structure and easier reducibility of NiFe2O4 catalyst.",
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High temperature water–gas shift without pre-reduction over spinel ferrite catalysts synthesized by glycine assisted sol–gel combustion method. / Jeong, Dae Woon; Jang, Won Jun; Shim, Jae Oh; Roh, Hyun Seog.

In: International Journal of Hydrogen Energy, Vol. 41, No. 6, 19.02.2016, p. 3870-3876.

Research output: Contribution to journalArticle

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T1 - High temperature water–gas shift without pre-reduction over spinel ferrite catalysts synthesized by glycine assisted sol–gel combustion method

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AU - Roh, Hyun Seog

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