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Phosphorus, Sulfur, and Silicon and the Related Elements Volume 194, 2019 - Issue 9
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Short Communication

Alumina-supported cobalt phosphide as a new catalyst for preferential CO oxidation at high temperatures

Siqi WangDepartment of Petrochemical Engineering, College of Chemistry Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun, P. R. China; View further author information
,
Yanzhao CuiDepartment of Petrochemical Engineering, College of Chemistry Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun, P. R. China; View further author information
,
Yan ShiDepartment of Petrochemical Engineering, College of Chemistry Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun, P. R. China; View further author information
,
Zhiwei YaoDepartment of Petrochemical Engineering, College of Chemistry Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun, P. R. China; ORCID Iconhttp://orcid.org/0000-0002-2535-9808View further author information
ORCID Icon,
Qingyou LiuKey Laboratory of High-temperature and High-pressure Study of the Earth’s Interior, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, P. R. ChinaCorrespondence[email protected]
ORCID Iconhttp://orcid.org/0000-0002-5630-7680View further author information
ORCID Icon &
Yue SunDepartment of Petrochemical Engineering, College of Chemistry Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun, P. R. China; View further author information
Pages 851-856 | Received 22 Oct 2018, Accepted 15 Jan 2019, Published online: 10 Feb 2019
 
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Abstract

Novel alumina-supported cobalt phosphide catalysts (designated as CoP-3, CoP-10, CoP-20 and CoP-40) prepared from the precursors with Co loadings of 3, 10, 20 and 40 wt% by H2-temperature-programmed reaction were investigated as potential catalysts for preferential CO oxidation (PROX) in excess H2 at high temperatures. It was found that the catalytic activities of these Co2P/γ-Al2O3 catalysts were related to their Co loadings. The CoP-10 catalyst showed the best PROX performance in temperature range of 220–240 °C, which was attributed to its optimal microstructures (high surface area, small particle size and big amount of active site).

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Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

The work was supported by the National Natural Science Foundation of China (No. 21276253), the Project of Liaoning Province Department of Education (No. L2017LZD003) and the Natural Science Foundation of Liaoning Province (No. 20180551272).

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