Process of fractionating gas feeds and apparatus for carrying ou

Details Process of fractionating gas feeds and apparatus for carrying ou Process of fractionating gas feeds and apparatus for carrying ou

1986-03-04

1987-08-25

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 32, 62 40, 62 42, F25J 302

Patent

active

046890637

ABSTRACT:
The present invention relates to a process and an apparatus for cryogenic fractionation of gas feeds, the apparatus comprising essentially a contact purifying-refrigerating column associated with a fractionating column, an exchange system, a plurality of ducts with valves connecting the above three elements and two closed end independent refrigerating circuits integrated to the exchange system.

REFERENCES:
patent: 3542673 (1970-11-01), Ringler
patent: 3656312 (1972-04-01), Streich
patent: 3808826 (1974-05-01), Harper et al.
patent: 3919853 (1975-11-01), Rojey
patent: 4070165 (1978-01-01), Colton
patent: 4203742 (1980-05-01), Agnihorti
patent: 4251249 (1981-02-01), Gulsby
patent: 4256476 (1981-03-01), Van Buash
patent: 4285708 (1981-08-01), Politte et al.
patent: 4322225 (1982-03-01), Bellinger et al.

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