Fischer–Tropsch synthesis on cobalt catalysts with alkaline earth metal additives


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Abstract

The promotion supported cobalt catalysts for the synthesis of hydrocarbons from CO and H2 with the alkaline earth metals Mg, Ca, and Ba was studied. The introduction of a promoter leads to an increase in selectivity for target higher hydrocarbons, a decrease in methane formation, and an increase in the olefin content of the products. The magnitude of these effects correlates with the electron-donor properties of a promoter, and it increases in the order Mg < Ca < Ba. At the same time, the index of hydrocarbon chain growth of the synthesized alkanes decreases in this case.

About the authors

O. L. Eliseev

Zelinsky Institute of Organic Chemistry

Author for correspondence.
Email: oleg@server.ioc.ac.ru
Russian Federation, Moscow, 119991

M. V. Tsapkina

Zelinsky Institute of Organic Chemistry

Email: oleg@server.ioc.ac.ru
Russian Federation, Moscow, 119991

A. L. Lapidus

Zelinsky Institute of Organic Chemistry; Gubkin State University of Oil and Gas

Email: oleg@server.ioc.ac.ru
Russian Federation, Moscow, 119991; Moscow, 117917

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