Process for LPG recovery

Details Process for LPG recovery Process for LPG recovery

1985-12-16

1990-10-30

Sever, Frank

Refrigeration

Processes

Circulating external gas

62 31, 62 43, F25J 302

Patent

active

RE0334081

ABSTRACT:
An improved process is described for the separation and recovery of substantially all the propane and heavier hydrocarbon components in a hydrocarbon gaseous feedstream. In this process, the vapor stream from a deethanizer is cooled to liquefaction and contacted with a vapor phase from the hydrocarbon gaseous feedstream. The contact takes place within a direct heat exchanger, and the resulting vapor fraction, which is essentially ethane and methane, is the gaseous product of the process.

REFERENCES:
patent: 3312073 (1967-04-01), Jackson et al.
patent: 3675435 (1972-07-01), Jackson et al.
patent: 3724226 (1973-04-01), Pachaly
patent: 3932156 (1976-01-01), Stern
patent: 4070165 (1978-01-01), Colton
patent: 4140504 (1979-02-01), Campbell et al.
patent: 4272269 (1981-06-01), Hammond et al.
Drawing 83-4306-020-001; Rev O; Imperial Oil Limited; 1974.
Drawing 4-003 c; Rev O; The Fluor Corporation; 5/16/73.

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