Refrigeration – Cryogenic treatment of gas or gas mixture – Separation of gas mixture
Patent
1997-09-23
1999-02-09
Capossela, Ronald
Refrigeration
Cryogenic treatment of gas or gas mixture
Separation of gas mixture
62633, F25J 100
Patent
active
058680047
ABSTRACT:
A process for treating a gas containing methane, at least one higher hydrocarbon and water to eliminate the water and/or extract the higher hydrocarbon(s) comprises dividing the gas to be treated into at least two fractions each of which undergo at least one cooling step, and bringing an aqueous phase fraction obtained after cooling into contact with the gas to be treated. The treatment process uses units with reduced floor space and weight.
REFERENCES:
patent: 2672034 (1954-03-01), Morrow
patent: 2994644 (1961-08-01), Clay
patent: 3925047 (1975-12-01), Harper
patent: 4266958 (1981-05-01), Cummings
Doerler Nicole
Larue Joseph
Lebas Etienne
Rojey Alexandre
Capossela Ronald
Institut Francais du Pe'trole
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