Separate feed entry to separator-contactor in gas separation

Details Separate feed entry to separator-contactor in gas separation Separate feed entry to separator-contactor in gas separation

1978-06-14

1980-05-20

Yudkoff, Norman

Refrigeration

Processes

Circulating external gas

62 23, 62 38, 62 26, F25J 302

Patent

active

042037417

ABSTRACT:
In the separation of low boiling gases such as ethane or propane and heavier from a gas stream such as natural gas, a first portion of the feed is heat exchanged with an overhead from a downstream stripper column, such as a demethanizer, a second portion is heat exchanged with a stream from a lower portion of said stripper column, and these two portions passed as separate streams to a separator-contactor. The first stream is added at a point above the second. This results in an increase in the recovery of liquid products.

REFERENCES:
patent: 2265558 (1941-12-01), Ward et al.
patent: 3292381 (1966-12-01), Bludworth
patent: 4061481 (1977-12-01), Campbell et al.
Evolution in Design, R. L. McKee, Gas Processors Association, pp. 123-125, Mar. 21-23, 1977.

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