Effect of nickel nanoparticle size in Ni/α-Al2O3 on CO methanation reaction for the production of synthetic natural gas

被引：115

作者：

Gao, Jiajian ^{[1
,2
]}

Jia, Chunmiao ^{[1
]}

Zhang, Meiju ^{[1
]}

Gu, Fangna ^{[1
]}

Xu, Guangwen ^{[1
]}

Su, Fabing ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

CATALYSIS SCIENCE & TECHNOLOGY | 2013年 / 3卷 / 08期

基金：

中国博士后科学基金;

关键词：

SUPPORTED METAL-CATALYSTS; STRUCTURE SENSITIVITY; PARTICLE-SIZE; TEMPERATURE METHANATION; SYNGAS; OXIDES;

D O I：

10.1039/c3cy00139c

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A series of alpha-Al2O3-supported Ni catalysts with different Ni particle sizes (5-10, 10-20, and 20-35 nm) were prepared and applied in the CO methanation reaction for the production of synthetic natural gas (SNG). The catalytic tests showed that the Ni nanoparticles influenced the catalytic performance in the CO methanation, and the catalyst with a Ni nanoparticle size of 10-20 nm showed the highest CO conversion, CH4 yield, and turnover frequency, and the lowest carbon deposition, demonstrating the possibility of improving the Ni/alpha-Al2O3 catalysts in the CO methanation for SNG production by controlling their Ni particle size.

引用

页码：2009 / 2015

页数：7

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