Fractional distillation of C.sub.2 /C.sub.3 Hydrocarbons at opti

Details Fractional distillation of C.sub.2 /C.sub.3 Hydrocarbons at opti Fractional distillation of C.sub.2 /C.sub.3 Hydrocarbons at opti

1982-04-05

1984-08-07

Seyer, Frank

Refrigeration

Processes

Circulating external gas

208351, 208364, F25J 302

Patent

active

044641893

ABSTRACT:
A method of recovering by distillation the separate components of a hydrocarbon gas mixture comprising ethylene, ethane, propylene and propane which comprises separating the ethylene and ethane as an overhead from a propylene and propane bottom in a first distillation tower at from about 400 to about 600 psia, separating ethylene and ethane as an ethylene overhead and an ethane bottom in a second distillation tower at from about 600 to about 700 psia, and separating propylene as an overhead from a propane bottom in a third distillation tower at from about 280 to about 300 psia is disclosed.

REFERENCES:
patent: 3034307 (1962-05-01), Berger

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