Citation: MA Cai-lian, DONG Guang-hua, LIU Xia, CHEN Jian-gang. Effect of Cu promoter on polyvinyl alcohol-assisted preparation of iron catalyst for Fischer-Tropsch synthesis[J]. Journal of Fuel Chemistry and Technology, ;2018, 46(7): 835-840. shu

Effect of Cu promoter on polyvinyl alcohol-assisted preparation of iron catalyst for Fischer-Tropsch synthesis

1.
Shanxi Institute of Energy, Jinzhong 030600, China
2.
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China

Corresponding author: CHEN Jian-gang, chenjg@sxicc.ac.cn
Received Date: 25 January 2018
Revised Date: 28 April 2018

Fund Project: the Foundation of Shanxi Institute of Energy ZY2017008the Autonomous Research Project of State Key Laboratory of Coal Conversion SKLCC2018BWZ001The project was supported by the National Natural Science Foundation of China (21373254), the Autonomous Research Project of State Key Laboratory of Coal Conversion (SKLCC2018BWZ001), the State Key Laboratory of Biomass Thermal Chemistry Technology (Wuhan) and the Foundation of Shanxi Institute of Energy(ZY2017008)the National Natural Science Foundation of China 21373254the State Key Laboratory of Biomass Thermal Chemistry Technology (Wuhan)

Figures(8)

Fe₂O₃ or FeCu catalysts were prepared by co-precipitation method with or without the assistance of polyvinyl alcohol (PVA). The effect of Cu promoter on the structure and catalytic behaviour of the catalysts were investigated. The catalysts were characterized by BET, SEM, XRD, H₂-TPR and FT-IR techniques. The results showed that the addition of Cu promoter could enhance the crystal growth of α-Fe₂O₃, decrease BET surface area and pore volume and increase pore size and promote the reduction of the catalysts in H₂. In addition, Cu promoter remarkably influenced the surface morphology. In Fischer-Tropsch synthesis (FTS) reaction, the catalytic activity was increased when Cu promoter was added only. The addition of Cu promoter and PVA decreased the FTS activity, and shifted the hydrocarbon products to lighter molecular weight.
- Cu promoter,
- PVA,
- co-precipitation method,
- Fischer-Tropsch synthesis
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