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Citation: Chen Jian-Gang, Xiang Hong-Wei, Dong Qing-Nian, Wang Xiu-Zhi, Sun Yu-Han. H₂ or CO Chemsorption on Co-based Catalysts for F-T Synthesis[J]. Acta Physico-Chimica Sinica, ;2001, 17(02): 161-164. doi: 10.3866/PKU.WHXB20010214 shu

H₂ or CO Chemsorption on Co-based Catalysts for F-T Synthesis

1.
The State Key Labortory of Coal Conversion,Institute of Coal Chemistry,Chinese Academy of Sciences,Taiyuan　030001

Received Date: 12 June 2000
Available Online: 15 February 2001

Both Co/SiO2 and Co/ZrO2/SiO2 catalysts for FT synthesis were characterized by temperature programmed desorption (TPD) and FTIR spectra.H2TPD evidenced that there were two H2 desorption peaks over Co/SiO2 catalyst and that the amount of H2 adsorption decreased upon introduction of ZrO2.COTPD and COIR showed that addition of ZrO2 weakened the intensity of CO adsorption but increased the amount of adsorbed CO.In FT synthesis,ZrO2 promoter enhanced the formation of heavy hydrocarbons in addition to keeping high activity.Such a shift of product array to heavier hydrocarbon was related to the increase of surface H2/CO ratio.
- F-T synthesis;Co-based catalysts;ZrO₂ promoter;Surface adsorption;FT-IR spectra
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沈阳化工大学材料科学与工程学院沈阳 110142

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H2 or CO Chemsorption on Co-based Catalysts for F-T Synthesis

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通讯作者: 陈斌, bchen63@163.com

H₂ or CO Chemsorption on Co-based Catalysts for F-T Synthesis