Process for the removal of acid gases from gas mixtures containi

Details Process for the removal of acid gases from gas mixtures containi Process for the removal of acid gases from gas mixtures containi

1981-03-25

1983-02-08

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423228, 423229, 423573R, 423574R, 55 73, B01D 5334

Patent

active

043729258

ABSTRACT:
A process for the treatment of a gas mixture containing methane and light hydrocarbons is disclosed, the process being characterized in that the gas mixture is treated in two steps consecutively with two different liquid mixtures, each of which contains a physical and chemical absorbent, in the first step H.sub.2 S being selectively removed, in the second step the remaining acid gases being virtually completely removed.

REFERENCES:
patent: 3120993 (1964-02-01), Thormann et al.
patent: 3161461 (1964-12-01), Deal, Jr. et al.
patent: 3462431 (1972-02-01), Suzuki et al.
patent: 3824766 (1974-07-01), Valentine et al.
patent: 3989811 (1976-11-01), Hill
patent: 4153674 (1979-05-01), Verloop et al.
patent: 4241032 (1980-12-01), Werner et al.
patent: 4289738 (1981-09-01), Pearce

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