Mixed solvent system for treating acidic gas

Details Mixed solvent system for treating acidic gas Mixed solvent system for treating acidic gas

C - Chemistry, Metallurgy

01

B

252/30, 23/359

C01B 17/16 (2006.01) C01B 31/20 (2006.01) C09K 3/00 (2006.01)

Patent

CA 1246527

33 ABSTRACT This invention discloses mixtures of alkyl dialcohol amines and mono alkyl ethers of polyethylene glycols which are useful in removing acidic gases from gaseous mixtures. The solvent mixtures contain between 1.5 N and 5.0 N methyl diethanolamine (NDEA), 10 to 40 percent water and the balance is methoxytriglycol (MTG). The overall heat of reaction of the solution is typically less than 500 BTU/lb CO2, and remains as a single liquid phase during normal gas scrubber operating conditions.

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