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1.
公开(公告)号:US4515604A
公开(公告)日:1985-05-07
申请号:US488472
申请日:1983-04-25
CPC分类号: F25J3/0271 , C01B3/50 , C10J3/16 , C10J3/20 , C10J3/78 , C10K1/165 , C10K1/32 , C10K3/00 , F25J3/0223 , F25J3/0233 , C01B2203/0475 , C01B2203/0485 , C10J2300/093 , C10J2300/0956 , C10J2300/0959 , C10J2300/0976 , C10J2300/1665 , C10J2300/1846 , C10J2300/1884 , C10J2300/1892 , F25J2200/70 , F25J2205/04 , F25J2270/04 , Y02C10/12
摘要: In a process of producing a synthesis gas which has a low inert gas content and is intended for the synthesis of alcohols, particularly of methanol, and of hydrocarbons, and which is produced from coal or heavy hydrocarbons, by a gasification under pressure with oxygen and steam, whereafter the raw gas is cooled, the impurities are removed by a scrubbing with methanol, and the methanol is removed by means of molecular sieves from the cold pure gas. The pure gas is then cooled further and partly liquefied, the remaining gas is further cooled by a pressure relief and methane is distilled from the liquid part with simultaneous recovery of the synthesis gas, which consists of hydrogen and carbon monoxide and has a low methane content. All or part of the methane is compressed and is subsequently reacted with steam and oxygen to produce carbon monoxide and hydrogen. The produced gas is admixed to the synthesis gas or to the partly purified raw gas.
摘要翻译: 在制造具有低惰性气体含量并用于合成醇,特别是甲醇和烃的合成气的合成气的过程中,由煤或重质烃生产的合成气通过在氧气下进行气化, 蒸汽,然后将原料气体冷却,通过用甲醇洗涤除去杂质,并通过来自冷纯气体的分子筛除去甲醇。 然后将纯气体进一步冷却并部分液化,剩余气体通过压力释放进一步冷却,并从液体部分蒸馏出甲烷,同时回收由氢气和一氧化碳组成的合成气,并且甲烷含量低 。 全部或部分甲烷被压缩,随后与蒸汽和氧气反应以产生一氧化碳和氢气。 将生成的气体与合成气或部分纯化的原料气体混合。
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公开(公告)号:US3988425A
公开(公告)日:1976-10-26
申请号:US493203
申请日:1974-07-30
CPC分类号: C01B31/18 , C01B3/38 , Y02P20/52 , Y02P30/446
摘要: Carbon monoxide is produced from light hydrocarbons having an average C number not greater than 15 by catalytic cracking with water vapor in two cracking stages followed by separation of the carbon monoxide from the product gas employing the following steps:I. mixing the hydrocarbon feedstock with 0.02-0.1 standard cubic meter hydrogen per kilogram;Ii. subjecting this mixture to hot desulfurization;Iii. mixing the desulfurized mixture with superheated process steam in a ratio of 1.1-1.7 moles per mole of carbon in the feedstock;Iv. converting the resulting mixture in contact with nickel catalysts in a first cracking stage at temperatures of 300.degree.-500.degree. C. and thereafter, after a partial pressure relief, in a second stage at temperatures above 825.degree. C.; andV. cooling the product gas which is rich in carbon monoxide and hydrogen, removing carbon dioxide and water vapor from the cooled product gas, and then decomposing said product gas at low temperatures recovering carbon monoxide and hydrogen.
摘要翻译: 一氧化碳由平均C值不大于15的轻烃生产,通过在两个裂解阶段用水蒸汽进行催化裂化,然后使用以下步骤从产物气中分离一氧化碳:
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