Ethylene separation process

Details Ethylene separation process Ethylene separation process

1978-03-20

1979-09-11

Yudkoff, Norman

Refrigeration

Processes

Circulating external gas

62 26, 62 18, F25J 302

Patent

active

041674022

ABSTRACT:
A process for separating a hydrocarbon feed gas mixture comprising at least C.sub.1 -C.sub.2 constituents including ethylene to produce a separated ethylene product. The disclosed process employs a recovery section in which demethanization is carried out at moderate pressure, thereby permitting efficient and economical use of propylene-ethylene refrigeration in the process.

REFERENCES:
patent: 2500353 (1950-03-01), Gantt
patent: 3073130 (1963-01-01), Becker
patent: 3186182 (1965-06-01), Grossman et al.
patent: 3319428 (1967-05-01), Isaacson
patent: 3373574 (1968-03-01), Fisher
patent: 3524897 (1970-08-01), Kniel
patent: 3675435 (1972-07-01), Jackson et al.

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