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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0768923 (1985-08-23) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 282 인용 특허 : 3 |
Synthesis gas is converted to diesel fuel and a high octane gasoline in two stages. In the first stage the synthesis gas is converted to straight chain paraffins mainly boiling in the diesel fuel boiling range utilizing a catalyst consisting essentially of cobalt, preferably promoted with a Group II
Synthesis gas is converted to diesel fuel and a high octane gasoline in two stages. In the first stage the synthesis gas is converted to straight chain paraffins mainly boiling in the diesel fuel boiling range utilizing a catalyst consisting essentially of cobalt, preferably promoted with a Group IIIB or IVB metal oxide, on a support of gamma-alumina, eta-alumina or mixtures thereof. A straight chain paraffin portion of the effluent in the C5-C9 range is converted in a second stage to a highly aromatic and branched chain paraffinic gasoline using a platinum group metal catalyst.
A process for the conversion of synthesis gas to diesel fuel and gasoline, which comprises contacting synthesis gas consisting essentially of CO and hydrogen in a synthesis gas conversion zone with a synthesis gas conversion catalyst comprising cobalt and 0 to about 100 parts by weight of a Group II
A process for the conversion of synthesis gas to diesel fuel and gasoline, which comprises contacting synthesis gas consisting essentially of CO and hydrogen in a synthesis gas conversion zone with a synthesis gas conversion catalyst comprising cobalt and 0 to about 100 parts by weight of a Group IIIB or IVB metal oxide per 100 parts by weight of said cobalt, on a high surface area, high purity, low acidity alumina support of gamma-alumina, eta-alumina or mixtures thereof, said catalyst having a hydrogen chemisorption value of from about 100 to about 300 micromol of hydrogen per gram of total catalyst when measured at 25°C., said catalyst having been prepared by (A) impregnation of said alumina support with a non-aqueous, organic solvent impregnation solution of cobalt nitrate and (B) reduction of said impregnated alumina support by heating, in the presence of hydrogen gas, at a heating rate of from about 0.5°to about 5°C. per minute to a maximum hold temperature in the range of 180°to about 220°C. for a hold time of 6 to about 24 hours and thereafter heating said impregnated alumina support in the presence of hydrogen gas while heating up to a maximum hold temperature of from about 250°to about 400°C. for a hold time of 6 to about 65 hours, to produce a reaction effluent comprising straight chain hydrocarbons boiling in the diesel fuel boiling range and in the C5-C9 range, separating a stream comprising said straight chain paraffins in the C5-C9 range from the reaction effluent and subjecting said separated stream to dehydrocyclization in the presence of hydrogen and a dehydrocyclization catalyst in a dehydrocyclization conversion zone to produce a high octane gasoline product.
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