Iron/silicon-based catalyst exhibiting high selectivity to C.sub

Details Iron/silicon-based catalyst exhibiting high selectivity to C.sub Iron/silicon-based catalyst exhibiting high selectivity to C.sub

1984-06-01

1985-11-19

Mars, Howard T.

Chemistry: fischer-tropsch processes; or purification or recover

Liquid phase fischer-tropsch reaction

518719, 518720, C07C 104

Patent

active

045542910

ABSTRACT:
Finely divided, hydrogen-activated catalyst compositions comprising iron, silicon and carbon or iron and silicon that selectively convert gaseous mixtures of CO and H.sub.2, at a temperature of about 150.degree.-450.degree. C. and at pressures of about 10-2000 kPa, into a reaction mixture containing at least about 75% C.sub.2 -C.sub.6 alkenes and no more than about 25% of CH.sub.4 and undesirable CO.sub.2 by-products are disclosed. A wide range of iron/silicon-based catalyst compositions are conveniently prepared by laser pyrolysis and hydrogen-pretreatment and readily reactivated with hydrogen at elevated temperatures.

REFERENCES:
Haggin, C & En Oct. 26, 1981, pp. 22-24, 26-28, 31-32.

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