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

1978-05-30

1980-08-12

Padgett, Benjamin R.

Compositions

Co, s, negative element, or acid, bindant containing

Alkali-metal or alkali-metal compound containing

252189, 252190, 423228, 423232, 423234, 423243, C09K 300

Patent

active

042172373

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.

REFERENCES:
patent: 1783901 (1930-12-01), Bottoms
patent: 2139122 (1938-12-01), Hass et al.
patent: 2139123 (1938-12-01), Hass et al.
patent: 2139124 (1938-12-01), Hass et al.
patent: 2176441 (1939-10-01), Ulrich et al.
patent: 3637345 (1972-01-01), Leder
patent: 3793434 (1974-02-01), Leder
patent: 3856921 (1974-12-01), Shrier et al.
patent: 4096085 (1978-06-01), Holoman et al.
Shrier, "CO.sub.2 Absorption Amine-Promoter Potash Solutions," and & Chem. Fundamentals, vol. 8, pp. 415-423, 1969.
Dankwerts and Sharma, "The Chemical Engineer" Oct. 1966, pp. 244-280.

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