Refrigeration – Processes – Circulating external gas
Patent
1983-10-25
1985-06-25
Sever, Frank
Refrigeration
Processes
Circulating external gas
62 40, F25J 300
Patent
active
045251851
ABSTRACT:
An apparatus and process for liquefying natural gas using two closed-cycle, multicomponent refrigerants; a low level refrigerant which cools the natural gas and a high level refrigerant which cools the low level refrigerant wherein the improvement comprises phase separating the high level refrigerant after compression and fully liquefying the vapor phase stream against external cooling fluid after additional compression.
REFERENCES:
patent: 3964891 (1976-06-01), Krieger
patent: 4112700 (1978-09-01), Forg
patent: 4274849 (1981-06-01), Garier et al.
patent: 4339253 (1982-07-01), Caetani et al.
Paradowski, H., and Squera, O., "La Liquefaction des Gas Associes" 7th International Conference on LNG, May 15-19, 1983, (Abstract in English).
Air Products and Chemicals Inc.
Chase Geoffrey L.
Innis E. Eugene
Sever Frank
Simmons James C.
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