Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Carbon dioxide or hydrogen sulfide component
Patent
1986-04-22
1987-11-10
Doll, John
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Carbon dioxide or hydrogen sulfide component
252189, 252190, 423229, C01B 1716, C01B 3120, C09K 300
Patent
active
047056738
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 (MDEA), 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 CO.sub.2, and remains as a single liquid phase during normal gas scrubber operating conditions.
REFERENCES:
patent: 2550446 (1951-04-01), Blohm et al.
patent: 2649166 (1953-08-01), Porter et al.
patent: 3516793 (1970-06-01), Renault
patent: 3989811 (1976-11-01), Hill
patent: 4100257 (1978-07-01), Sartori et al.
Butwell Kenneth F.
Capobianco Paul J.
Kossakowski Edward J.
Doll John
Freeman Lori S.
Gibson Henry H.
Union Carbide Corporation
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