Process for desulfurization of fuel gas

Details Process for desulfurization of fuel gas Process for desulfurization of fuel gas

1984-03-22

1986-02-04

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

55 55, 55 73, B01D 4700

Patent

active

045683646

ABSTRACT:
Apparatus and a method for removal of acid gases from a first gas rich in carbon dioxide and for desulfurizing a second gas lean in carbon dioxide but containing sulfur compounds as impurities. The method includes contacting the first gas with a solvent capable of extracting carbon dioxide and sulfur compounds from the first gas. Then, the solvent containing carbon dioxide is separated from the solvent containing sulfur compounds. The second gas is then contacted with said solvent containing carbon dioxide under conditions sufficient to cause said solvent containing carbon dioxide to extract sulfur compounds from said second gas and to release carbon dioxide. The desulfurized second gas is thereafter separated from the solvent containing sulfur compounds from the second gas.

REFERENCES:
patent: 3245752 (1966-04-01), Fryar et al.
patent: 3664091 (1972-05-01), Hegwer
patent: 3824766 (1974-07-01), Valentine et al.
patent: 4050909 (1977-09-01), Ranke
patent: 4080424 (1978-03-01), Miller et al.
patent: 4332598 (1982-06-01), Antanos et al.
patent: 4430316 (1984-02-01), Ranke et al.

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