Process for the removal of acidic gases from a gas mixture
阅读：791发布：2023-04-06
专利汇可以提供Process for the removal of acidic gases from a gas mixture专利检索，专利查询，专利分析的服务。并且WHEREIN R, R1 and R3 are alkyl groups, R2 is hydrogen or alkyl, R4 is an alkylene radical and n is an integer from 0 to 1.
Acidic gases such as carbon dioxide and hydrogen sulfide are selectively absorbed from gaseous mixtures with the use of a branched chain aliphatic mono-ketone of the formula，下面是Process for the removal of acidic gases from a gas mixture专利的具体信息内容。
1. A process for the removal of acidic gases from a gas mixture containing the same which comprises contacting said gas mixture at a pressure from 2 to 200 atmospheres absolute with a branched chain aliphatic mono-ketone of the formula
2. The process of claim 1 wherein the gas mixture is a hydrogen or hydrocarbon-containing gas mixture.
3. The process of claim 2 wherein the contacting of the gas mixture with the branched chain aliphatic mono-ketone is effected at a temperature between 10* and 50*C.
4. The process of claim 3 wherein the selectively absorbed acidic gases are desorbed from the branched chain aliphatic mono-ketone by a reduction in pressure and the regenerated ketone is returned into contact with the feed gas mixture.
5. The process of claim 4 wherein the gas mixture contains carbon dioxide at a partial pressure between 2 and 70 atmospheres absolute.
6. The process of claim 4 wherein the gas mixture contains hydrogen sulfide at a partial pressure between 1 and 35 atmospheres absolute.
7. The process of claim 1 wherein the branched chain aliphatic mono-ketone is 2-hydroxy-2-methyl-4-pentanone.
8. The process of claim 1 wherein the branched chain aliphatic mono-ketone is 2-methoxy-2-methyl-4-pentanone.
9. The process of claim 5 wherein the branched chain aliphatic mono-ketone is 2-methoxy-2-methyl-4-pentanone.
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