Separation of hydrocarbon mixtures

Details Separation of hydrocarbon mixtures Separation of hydrocarbon mixtures

1984-09-14

1986-11-11

Sever, Frank

Refrigeration

Processes

Circulating external gas

62 30, 62 31, 62 34, 62 39, F25J 302

Patent

active

046220534

ABSTRACT:
In the process for the recovery of e.g. LPG or NGL and sales gas from a gaseous hydrocarbon feed 11 by partially condensing the feed in heat exchanger 1 at superatmospheric pressure, separating the condensate from the uncondensed gas in gas/liquid separator 2, rectifying the uncondensed gas to produce the sales gas and stripping the condensate to produce the LPG or NGL, substantially power savings are obtained if the rectification is effected in a reflux exchanger 103 and the stripping is effected in a separate distillation column 203.

REFERENCES:
patent: 4266958 (1981-05-01), Cummings
patent: 4519825 (0000-01-01), Bernard et al.

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