Aqueous solution of 2-dimethylamino-2-hydroxymethyl-1, 3-propanediol useful for acid gas removal from gaseous mixtures

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United States of America Patent

PATENT NO 10159930
APP PUB NO 20170239613A1
SERIAL NO

15502708

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Abstract

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The present invention relates to an aqueous alkanolamine solution demonstrating low volatility comprising 2-di-methylamino-2-hydroxymethyl-1, 3-propanediol useful for removing acid gases from gaseous mixtures. Said aqueous alkanolamine solution may further comprise one or more of an acid or acid-forming compound, another amino compound, an activator, a physical solvent, or one or more other compounds used in gal-liquid treatment practices. Further, the present invention relates to a process for removing acid gases from a gaseous mixture, preferably hydrogen sulfide, comprising the step of contacting the gaseous mixture with said aqueous alkanolamine solution. Examples of the gaseous mixtures include natural gas, synthesis gas, tail gas, and refinery gas.

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Patent Owner(s)

Patent OwnerAddress
DOW GLOBAL TECHNOLOGIES LLC2211 H H DOW WAY MIDLAND MI 48674

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dowdle, John R Lake Jackson, US 16 245
Laroche, Christophe R Lake Jackson, US 29 48

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