Refrigeration – Cryogenic treatment of gas or gas mixture – Separation of gas mixture
Patent
1995-02-02
1996-04-23
Capossela, Ronald C.
Refrigeration
Cryogenic treatment of gas or gas mixture
Separation of gas mixture
F25J 302
Patent
active
055092713
ABSTRACT:
Carbon monoxide and hydrogen are from a gaseous mixture comprising essentially these two components and methane, by the steps of i) cooling the initial gaseous mixture so as partially to condense it; ii) separating a condensed portion of the mixture from an uncondensed portion containing principally hydrogen; iii) sending the condensed portion to a stripping column (7) to produce a gaseous fraction at the head of the column comprising hydrogen and a liquid fraction at the base of the column containing carbon monoxide and methane; iv) distilling the liquid fraction in a purification column (9) to produce substantially pure carbon monoxide at the head of the column and methane at the base of the column; and v) supplying a portion of the separation energy by a refrigeration cycle using an autonomous refrigeration fluid.
REFERENCES:
patent: 4596588 (1986-06-01), Cook
patent: 4805414 (1989-02-01), Fisher
patent: 4966612 (1990-10-01), Bauer
patent: 5133793 (1992-07-01), Billy
Dr. Ralph Berninger, "Fortschritte bei der H2/CO-Tieftemperaturzerlegung", Berichte aus Technik und Wissenschaft, 1988, vol. 62, pp. 18-23.
Don W. Green, "Properties of cryogenic fluids", Perry's Chemical Engineers' Handbook, 1984, pp. 12-47 and 12-48.
Billy Jean
Granier Fran.cedilla.ois
Victor Pascal
Capossela Ronald C.
L'Air Liquide Societe Anonyme pour l'Etude et, l'Exploitation de
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