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Citation: Zhang Jun-Ling, Ren Jie, Chen Jian-Gang, Sun Yu-Han. Effect of Manganese Promoter on the Performance of Co/Al₂O₃ Catalysts for FischerTropsch Synthesis[J]. Acta Physico-Chimica Sinica, ;2002, 18(03): 260-263. doi: 10.3866/PKU.WHXB20020314 shu

Effect of Manganese Promoter on the Performance of Co/Al₂O₃ Catalysts for FischerTropsch Synthesis

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

Received Date: 17 July 2001
Available Online: 15 March 2002

The Mnmodified cobalt catalysts for FischerTropsch(FT) synthesis were characterized and tested by TPR, H2TPD, FTIR, and CO hydrogenation. It was found that a suitable addition of manganese could improve the catalytic activity and selectivity and suppress the methane and C24 hydrocarbons. XRD and FTIR results showed that the presence of Mn could improve the dispersion of active phases and favor the formation of bridgedtype adsorbed CO. A small amount of Mn could increase the uptake of hydrogen, but excess of manganese might decrease the uptake of hydrogen. Such a shift of the reaction performances was related to the change of adsorbed CO species.
- Foscjer-Tropsch(F-T) synthesis;Co/Al₂O₃ catalysts;Mn promoter;Supporter;Characterization
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Effect of Manganese Promoter on the Performance of Co/Al2O3 Catalysts for FischerTropsch Synthesis

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通讯作者: 陈斌, bchen63@163.com

Effect of Manganese Promoter on the Performance of Co/Al₂O₃ Catalysts for FischerTropsch Synthesis