The effect of Zn addition into NiFe2O4 catalyst for high-temperature shift reaction of natural gas reformate assuming no external steam addition

Myung Suk Lee; Joon Yeob Lee; Dae Won Lee; Dong Ju Moon; Kwan Young Lee

doi:10.1016/j.ijhydene.2012.04.130

The effect of Zn addition into NiFe₂O₄ catalyst for high-temperature shift reaction of natural gas reformate assuming no external steam addition

Myung Suk Lee
, Joon Yeob Lee
, Dae Won Lee^*
, Dong Ju Moon
, Kwan Young Lee

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

56 Citations (Scopus)

Abstract

In this study, the effect of the addition of Zn to a NiFe₂O ₄ catalyst was investigated for a high-temperature shift (HTS) of the natural gas reformate under the assumption that no external steam was added. In our previous study, NiFe₂O₄ proved to be a notable HTS catalyst, but it produced methane as a by-product in the presence of such a highly reductive reformate. In this study, we found that the addition of Zn to NiFe₂O₄ was effective in suppressing methanation as well as in promoting HTS activity. Such improvements were expected to be related to the enhanced redox property of the inverse-spinel species included in the catalyst. To elucidate the effects of Zn addition, inductively coupled plasma spectroscopy (ICP), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), thermo-gravimetric analysis under a CO gas atmosphere (CO-TGA), and temperature-programmed reduction of H₂ (H₂-TPR) were performed.

Original language	English
Pages (from-to)	11218-11226
Number of pages	9
Journal	International Journal of Hydrogen Energy
Volume	37
Issue number	15
DOIs	https://doi.org/10.1016/j.ijhydene.2012.04.130
Publication status	Published - 2012 Aug

Bibliographical note

Funding Information:
This work was supported by the Institutional Program (2E22143) of Korea Institute of Science and Technology (KIST) and the Human Resources Development Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant (No. 20114010203050 ) funded by the Korean Government Ministry of Knowledge Economy.

Copyright:
Copyright 2013 Elsevier B.V., All rights reserved.

Keywords

High-temperature shift
Methanation
Redox property
Water gas shift reaction
Zn/Ni/Fe catalyst

ASJC Scopus subject areas

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

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1016/j.ijhydene.2012.04.130

Cite this

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title = "The effect of Zn addition into NiFe2O4 catalyst for high-temperature shift reaction of natural gas reformate assuming no external steam addition",

abstract = "In this study, the effect of the addition of Zn to a NiFe2O 4 catalyst was investigated for a high-temperature shift (HTS) of the natural gas reformate under the assumption that no external steam was added. In our previous study, NiFe2O4 proved to be a notable HTS catalyst, but it produced methane as a by-product in the presence of such a highly reductive reformate. In this study, we found that the addition of Zn to NiFe2O4 was effective in suppressing methanation as well as in promoting HTS activity. Such improvements were expected to be related to the enhanced redox property of the inverse-spinel species included in the catalyst. To elucidate the effects of Zn addition, inductively coupled plasma spectroscopy (ICP), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), thermo-gravimetric analysis under a CO gas atmosphere (CO-TGA), and temperature-programmed reduction of H2 (H2-TPR) were performed.",

keywords = "High-temperature shift, Methanation, Redox property, Water gas shift reaction, Zn/Ni/Fe catalyst",

author = "Lee, \{Myung Suk\} and Lee, \{Joon Yeob\} and Lee, \{Dae Won\} and Moon, \{Dong Ju\} and Lee, \{Kwan Young\}",

note = "Funding Information: This work was supported by the Institutional Program (2E22143) of Korea Institute of Science and Technology (KIST) and the Human Resources Development Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant (No. 20114010203050 ) funded by the Korean Government Ministry of Knowledge Economy. Copyright: Copyright 2013 Elsevier B.V., All rights reserved.",

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language = "English",

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journal = "International Journal of Hydrogen Energy",

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AU - Moon, Dong Ju

AU - Lee, Kwan Young

N1 - Funding Information: This work was supported by the Institutional Program (2E22143) of Korea Institute of Science and Technology (KIST) and the Human Resources Development Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant (No. 20114010203050 ) funded by the Korean Government Ministry of Knowledge Economy. Copyright: Copyright 2013 Elsevier B.V., All rights reserved.

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N2 - In this study, the effect of the addition of Zn to a NiFe2O 4 catalyst was investigated for a high-temperature shift (HTS) of the natural gas reformate under the assumption that no external steam was added. In our previous study, NiFe2O4 proved to be a notable HTS catalyst, but it produced methane as a by-product in the presence of such a highly reductive reformate. In this study, we found that the addition of Zn to NiFe2O4 was effective in suppressing methanation as well as in promoting HTS activity. Such improvements were expected to be related to the enhanced redox property of the inverse-spinel species included in the catalyst. To elucidate the effects of Zn addition, inductively coupled plasma spectroscopy (ICP), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), thermo-gravimetric analysis under a CO gas atmosphere (CO-TGA), and temperature-programmed reduction of H2 (H2-TPR) were performed.

AB - In this study, the effect of the addition of Zn to a NiFe2O 4 catalyst was investigated for a high-temperature shift (HTS) of the natural gas reformate under the assumption that no external steam was added. In our previous study, NiFe2O4 proved to be a notable HTS catalyst, but it produced methane as a by-product in the presence of such a highly reductive reformate. In this study, we found that the addition of Zn to NiFe2O4 was effective in suppressing methanation as well as in promoting HTS activity. Such improvements were expected to be related to the enhanced redox property of the inverse-spinel species included in the catalyst. To elucidate the effects of Zn addition, inductively coupled plasma spectroscopy (ICP), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), thermo-gravimetric analysis under a CO gas atmosphere (CO-TGA), and temperature-programmed reduction of H2 (H2-TPR) were performed.

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