Synthesis, characterization and catalytic methanation performance of modified kaolin-supported Ni-based catalysts

Jiao Liu; Chuanyue Zheng; Junrong Yue; Guangwen Xu

doi:10.1016/j.cjche.2019.04.009

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Synthesis, characterization and catalytic methanation performance of modified kaolin-supported Ni-based catalysts

Updated：2026-01-06

- Synthesis, characterization and catalytic methanation performance of modified kaolin-supported Ni-based catalysts
- Chinese Journal of Chemical Engineering Vol. 27, Issue 12, Pages: 2953-2959(2019)
- Affiliations：
  
  1. State Key Laboratory of Multi-phase Complex System, Institute of Process Engineering, Chinese Academy of Sciences,Beijing,China,100190
  2. China University of Mining and Technology,Xuzhou,China,221116
  3. Institute of Industrial Chemistry and Energy Technology, Shenyang University of Chemical Technology,Shenyang,China,110142
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2019.04.009
  CLC：
- Published：2019
- Accepted：
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Jiao Liu, Chuanyue Zheng, Junrong Yue, Guangwen Xu. Synthesis, characterization and catalytic methanation performance of modified kaolin-supported Ni-based catalysts[J]. Chinese Journal of Chemical Engineering, 2019, 27(12): 2953-2959.
DOI：

Jiao Liu, Chuanyue Zheng, Junrong Yue, Guangwen Xu. Synthesis, characterization and catalytic methanation performance of modified kaolin-supported Ni-based catalysts[J]. Chinese Journal of Chemical Engineering, 2019, 27(12): 2953-2959. DOI： 10.1016/j.cjche.2019.04.009.

摘要

Abstract

Kaolin as a raw material for mesoporous support was firstly modified by calcination

acid treatment

and then was used to prepare nickel catalysts. The amount of alumina which was activated in kaolin during thermal treatment and then leached out in the acid was different. XRD pattern of the kaolin calcined at 600℃ or 900℃ exhibited only the diffraction peaks for amorphous silica and quartz while that calcined at 1100℃ showed obvious peaks for γ-Al

. Therefore

the nickel-based catalysts exhibited different physic-chemical properties. Atmospheric syngas methanation over the catalysts clarified an activity order of CA-1100 CA-900 CA-1400 CA-600 KA ≈ 0 at temperatures of 350-650℃ and a space velocity of 120 L·g

-1

·h

-1

. Metallic nickel with small diameter which has medium interaction with the modified kaolin and is well dispersed on the support would have reasonably good activity and carbon-resistance for syngas methanation.

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