Process for removing carbon dioxide containing acidic gases from

Details Process for removing carbon dioxide containing acidic gases from Process for removing carbon dioxide containing acidic gases from

1977-12-19

1978-09-05

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423228, 423232, 423234, 423236, 423243, 252189, B01D 5334

Patent

active

041120507

ABSTRACT:
Carbon dioxide containing acidic gases are removed from a normally gaseous mixture by a process comprising contacting the normally gaseous mixture with an aqueous solution comprising (a) a basic alkali metal salt or hydroxide and (b) an activator for said basic salt or alkali metal salt or hydroxide comprising at least one sterically hindered amine.

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Sharma, "Kinetics of Reactions of Carbonyl Sulfide and Carbon Dioxide with Amines and Catalysis by Bronstal Bases of the Hydroylsis of COS," Transactions Faraday Society, vol. 61, pp. 681-688, 1965.
Frahn, "Paper Ionophoresis of Amino Compounds, Formation of Carbamates and Related Reactions," Aust. J. Chem., vol. 17, pp. 256-273, 1964.
Shrier, "Carbon Dioxide Absorption into Amine-Promoted Potash Solutions," Ind. & Eng. Chem. Fundamentals, vol. 8, pp. 415-423, 1969.
Jensen, "Studies on Carbamates," Acta Chemica Scandinavica, vol. 11, pp. 499-505, 1957.
Danokwerds et al., "The Absorption of Carbon Dioxide into Solution of Alkalis and Amines", The Chemical Engineer. Oct. 1966, pp. 244-280.

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