Process for degasolining a gas containing condensable hydrocarbo

Details Process for degasolining a gas containing condensable hydrocarbo Process for degasolining a gas containing condensable hydrocarbo

1998-06-17

2000-01-25

Doerrler, William

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

62633, F25J 300

Patent

active

060166673

ABSTRACT:
Described is a process for degasolining by refrigeration of a gas containing condensable hydrocarbons, which is effected in the presence of methanol to avoid the formation of hydrates, said process making it possible to at least partially recover the methanol entrained in the gas, by washing same by means of a liquid hydrocarbon fraction. The process described thus makes it possible to avoid having to compensate for the loss of methanol by a continuous make-up, as is the case with conventional processes. It accordingly enjoys enhanced levels of performance and economy.

REFERENCES:
patent: 3633338 (1972-01-01), Zahn
patent: 3676981 (1972-07-01), Afdahl et al.
patent: 3925047 (1975-12-01), Harper
patent: 4070165 (1978-01-01), Colton
patent: 4150962 (1979-04-01), Colton
patent: 4266958 (1981-05-01), Cummings
patent: 5127231 (1992-07-01), Larue et al.
patent: 5868005 (1999-02-01), Larue et al.

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