Acid gas fractionation

Details Acid gas fractionation Acid gas fractionation

1998-05-08

1999-11-16

Capossela, Ronald

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

62922, 62928, F25J 300

Patent

active

059836636

ABSTRACT:
A process to bulk separate H.sub.2 S and CO.sub.2 from a sour gas by first cooling the inlet sour gas, passing the cooled sour gas through a separator and removing a liquid acid gas as a bottoms product in a fractionation tower, and then either pumping or free flowing the liquid acid gas into a disposal well. Potential sulphur deposition problems are controlled by recycling liquid acid gas to the plant inlet.

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patent: 4318723 (1982-03-01), Holmes et al.
patent: 4350511 (1982-09-01), Holmes et al.
patent: 4533373 (1985-08-01), Butz et al.
patent: 4589896 (1986-05-01), Chen et al.

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