High quality diesel via the Fischer-Tropsch process - a review

被引:319
作者
Dry, ME [1 ]
机构
[1] Univ Cape Town, Dept Chem Engn, Catalysis Res Unit, ZA-7701 Rondebosch, South Africa
关键词
diesel; gasoline; Fischer-Tropsch; syngas; reactors;
D O I
10.1002/jctb.527
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
The Fischer-Tropsch (FT) synthesis is used to produce chemicals, gasoline and diesel fuel. The FT products are predominantly linear, hence the quality of the diesel fuel is very high, having cetane numbers of up to 75. Since purified synthesis gas is used in the FT process all the products are Sand N-free. In this review the production of syngas and the various options used in the FT process (reactors and catalyst types, and high and low temperature operation) are discussed. The best FT option for producing high quality diesel is using cobalt-based catalyst in slurry phase reactor, gearing the process for high wax production and then selectively hydrocracking the wax to diesel fuel. The overall diesel pool has a high cetane number, the aromatic S and N contents are zero and the exhaust emissions are significantly lower than for standard diesel fuels. (C) 2001 Society of Chemical Industry.
引用
收藏
页码:43 / 50
页数:8
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