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Influence of Palladium on the Hydrocarbon Distribution of Fischer- Tropsch Reaction Over Precipitated Iron Catalyst

[ Vol. 1 , Issue. 2 ]


Wensheng Ning, Xiuchen Yang and Muneyoshi Yamada   Pages 88 - 92 ( 5 )


Palladium was impregnated to precipitated iron catalyst as a promoter. The catalysts were tested in a fixed bed reactor to convert CO and H2 into hydrocarbons. Compared with pure iron catalyst, more CH4 and less olefins in C2-C4 hydrocarbons are produced from the iron catalyst promoted only by Pd. The olefin ratio in C2-C4 hydrocarbons of the catalysts promoted by Pd, Zn and Cu is between the values of pure iron catalyst and Pd-promoted iron catalyst. It means that the influence of Pd on the hydrocarbon distribution can be adjusted by the coexistence of Zn and Cu. Temperatureprogrammed reduction by H2 was used to detect the influence of Pd on iron catalysts.


Fischer-Tropsch reaction, precipitated iron catalyst, palladium promoter, hydrocarbon distribution, syngas, H2-TPR, hydrocracked, zeolite, coking, gasoline, olefins, paraffins , hydroisomerized, calcination, adsorption


College of Chemical Engineering and Materials Science, Zhejiang University of Technology, Chaowang Road 18 No., Hangzhou 310032, China.

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