Methyl ethers of polyalkoxylated polyols for removing acidic gases from gases专利检索-酸性气体天然气燃料气体燃料种类专利检索查询-专利查询网

Methyl ethers of polyalkoxylated polyols for removing acidic gases from gases

阅读：563发布：2023-04-11

专利汇可以提供Methyl ethers of polyalkoxylated polyols for removing acidic gases from gases专利检索，专利查询，专利分析的服务。并且Polymethyl ethers of a polyether polyol, the polyether polyol having the formula WHERE R is the residue of an organic compound having three to six hydroxyls, A is 1 to 6, B is 0 to 5 and A + B equals 3 to 6 and Y is 1 to 15 GROUPS OR MIXTURES THEREOF. Ethoxylated glycerol trimethyl ether is disclosed. The compounds are useful for extracting acid gases such as CO2 and H2S from natural gas.，下面是Methyl ethers of polyalkoxylated polyols for removing acidic gases from gases专利的具体信息内容。

权利要求

2. A process according to claim 1 in which the solvent has an average molecular weight from 150 to 800.

3. A process for removing gaseous acid gases of the group consisting of carbon dioxide and hydrogen sulfide from admixture with other gases selected from the group consisting of hydrogen, nitrogen and lower alkane hydrocarbons, which comprises contacting the gaseous admixture at superatmospheric pressure with a solvent comprising a polymethyl etHer of a polyether polyol, said polyether polyol having the formula wherein R is the residue of an organic compound containing therein three to six active hydrogen atoms present in hydroxyl groups, A is a number from 1 to 6, B is a number from 0 to 5 and A + B equals 3 to 6, and Y represents from 1 to 15 groups or such groups in admixture and said polymethyl ether contains at least three methyl ether groups per molecule, and then removing the dissolved acid gases from the enriched solvent.

4. A process for removing gaseous acid gases of the group consisting of carbon dioxide and hydrogen sulfide from admixture with other gases selected from the group consisting of hydrogen, nitrogen and lower alkane hydrocarbons, which comprises contacting the gaseous admixture at superatmospheric pressure with a solvent comprising a composition of the formula wherein X, Y and Z represent from O to 15 groups or such groups in admixture and the sum of X + Y + Z is 1 to 15, and A is 1 to 4.

5. A process according to claim 4 in which A is 1 and X, Y and Z are approximately the same number.

6. A process according to claim 4 in which the solvent is an ethoxylated glycerol trimethyl ether.

7. A process according to claim 4 in which the solvent is an ethoxylated propoxylated glycerol trimethyl ether.

8. A process for removing gaseous acid gases of the group consisting of carbon dioxide and hydrogen sulfide from admixture with other gases selected from the group consisting of hydrogen, nitrogen and lower alkane hydrocarbons, which comprises contacting the gaseous admixture at superatmospheric pressure with a solvent comprising a polymethyl ether of a polyether polyol, said polyether polyol having the formula wherein C is a number from 0 to 3, D is a number from 1 to 6, E is a number from 0 to 3, F is a number from 0 to 5 and C + D + E + F equals 3 to 6, Y represents from 1 to 15 groups or such groups in admixture in random or block arrangement, and R is the residue of an organic compound containing therein three to six active hydrogen atoms present in hydroxyl groups, and then removing the dissolved acid gases from the enriched solvent.

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Methyl ethers of polyalkoxylated polyols for removing acidic gases from gases

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