Enhancement of the Fischer-Tropsch process for producing long-chain hydrocarbons on a cobalt-alumina-silica gel catalyst

被引：11

作者：

Savost'yanov, A. P. ^{[1
]}

Narochnyi, G. B. ^{[1
]}

Yakovenko, R. E. ^{[1
]}

Mitchenko, S. A. ^{[1
,2
]}

Zubkov, I. N. ^{[1
]}

机构：

[1] South Russian State Polytech Univ NPI, Novocherkassk, Rostov Oblast, Russia

[2] Litvinenko Inst Physicoorgan Chem & Coal Chem, Donetsk, Ukraine

来源：

PETROLEUM CHEMISTRY | 2018年 / 58卷 / 01期

基金：

俄罗斯科学基金会;

关键词：

Fischer-Tropsch synthesis; cobalt-silica gel catalyst; C35+ long-chain hydrocarbons; recycle mode; SELECTIVITY; WATER; CO; HYDROCRACKING; CO/SIO2; REACTOR; AL2O3; WAXES;

D O I：

10.1134/S0965544118010139

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The effects of the H-2/CO ratio, pressure, temperature, and the reaction-gas recycle ratio on the selectivity for hydrocarbons (HCs), including long-chain C35+ HCs, in the Fischer-Tropsch synthesis over a supported industrial cobalt-silica gel catalyst have been studied. The synthesis parameters have been as follows: a pressure of 2.0 or 6.0 MPa, an H-2/CO ratio of 1-5, a recycle ratio of 2-6, a temperature of 150-240A degrees C, and a gas hourly space velocity of 1000 h(-1). It has been shown that gas recycling provides thermal stability in the catalyst bed, significantly increases the yield of C35+ HCs, and makes it possible to control the group and fractional composition of the synthesis products.

引用

页码：76 / 84

页数：9

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