Role of zeolite in the synthesis of liquid hydrocarbons from CO and H2 on a composite cobalt catalyst

被引：4
|
作者：
Sineva L.V. [1 ,3 ]
Asalieva E.Y. [1 ,2 ]
Mordkovich V.Z. [1 ,3 ]
机构：
[1] Technological Institute for Superhard and New Carbon Materials, Troitsk, Moscow oblast
[2] Moscow State University, Moscow
[3] OOO INFRA Tekhnologii, Moscow
来源：
Catalysis in Industry | 2015年 / 7卷 / 04期
关键词：
cobalt; composite catalysts; Fischer-Tropsch synthesis; synthetic oil; zeolite;
D O I：
10.1134/S2070050415040145
中图分类号：
学科分类号：
摘要：
It is found that the main role of zeolite in Fischer-Tropsch synthesis on a composite Co catalysts is to reduce the average molecular weight of hydrocarbons produced from CO and H2 on acid sites. Secondary transformations of hydrocarbons on zeolites seem to occur via a carbocation mechanism. The total composition of synthesis products depends on the zeolite properties and the mutual arrangement of zeolite and cobalt active sites. It is shown that in some cases, introducing H-form zeolite into the Co catalysts for Fischer-Tropsch synthesis increases the productivity and the selectivity to synthetic oil and lowers the selectivity to methane. © 2015 Pleiades Publishing, Ltd.
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收藏
页码：245 / 252
页数：7
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