Refrigerant recovery scheme

Details Refrigerant recovery scheme Refrigerant recovery scheme

1992-06-26

1993-11-30

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 24, F25J 300

Patent

active

052654273

ABSTRACT:
A process for obtaining ethane and propane refrigerant from a lean feed gas is disclosed. Said process involves the addition of a small amount of propane to a stream of said lean feed gas, thus widening the phase envelope and increasing the ease of separation of the methane and nitrogen from heavier components.

REFERENCES:
patent: 2577617 (1951-12-01), Hudig
patent: 3262278 (1966-07-01), Thorsten et al.
patent: 4511382 (1985-04-01), Valencia et al.
patent: 4707171 (1987-11-01), Bauer
patent: 4713940 (1987-12-01), Ranke et al.
patent: 4772301 (1988-09-01), Bauer
patent: 4881960 (1989-11-01), Ranke et al.

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