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Citation: HUANG Chuan-Jing, WANG Dong-Jie, FEI Jin-Hua, ZHENG Xiao-Ming. Effect of Support on Co Catalyst for CH₄/CO₂ Reforming to Syngas[J]. Chinese Journal of Applied Chemistry, ;2000, 17(2): 121-125. shu

Effect of Support on Co Catalyst for CH₄/CO₂ Reforming to Syngas

1.
a Institute of Catalysis, Xixi Campus, Zhejiang University, Hangzhou 310028;
2.
b Department of Chemistry, Huaibei Coal Teachers College, Huaibei;
3.
c Department of Chemistry, Ningbo University, Ningbo

Received Date: 26 October 1999
Available Online: 10 January 2000
Fund Project:

The effect of support on the catalytic performance of Co catalysts supported on V-Al₂O₃, SiO₂ and HZSM-5 Zeolite for CH₄/CO₂ reforming to syngas was studied by fixed-bed microreactor, XRD and TPR techniques. The results showed that the interaction between metal and support is the main factor affecting catalyst activity and stability. It is found that HZSM-5 is the best support and its Si/Al ratio affected resistance of the catalyst to carbon deposition. In contrast to Co/HZSM-5 catalyst, Co/SiO₂ and Co/Al₂O₃(Co loading <6% (mass fraction)) catalysts showed poor activity and poor stability. They were deactivated by sintering of Co particles and transformation of Co⁰ to CoAl₂O₄. The relation between catalytic performance and metal-support interaction was discussed.
- support,
- Co catalyst,
- CH₄/CO₂ reforming to syngas
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Effect of Support on Co Catalyst for CH₄/CO₂ Reforming to Syngas