Removal of hydrocarbons and water from acid gas streams

Details Removal of hydrocarbons and water from acid gas streams Removal of hydrocarbons and water from acid gas streams

1976-04-30

1977-05-24

Adee, John

Gas separation

Means within gas stream for conducting concentrate to collector

55 56, 55 73, 423228, B01D 5314

Patent

active

040253228

ABSTRACT:
Sour gas streams containing significant quantities of contaminating H.sub.2 S and aromatic hydrocarbons are contacted with an aqueous absorbent to remove the contaminants and produce a sweet gas, the contaminants are desorbed and contacted with a selective absorbent which absorbs the aromatic hydrocarbons and rejects the H.sub.2 S, and the aromatic hydrocarbons are recovered. If CO.sub.2 is also present in the sour gas, provision is also made for its removal from the gas stream.

REFERENCES:
patent: 2381092 (1945-08-01), Wilson
patent: 3347621 (1967-10-01), Papadopoulos et al.
patent: 3709976 (1973-01-01), Tarhan
patent: 3710546 (1973-01-01), Gruenwald et al.

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