Process for the recovery of ethane and heavier hydrocarbon compo

Details Process for the recovery of ethane and heavier hydrocarbon compo Process for the recovery of ethane and heavier hydrocarbon compo

1978-10-31

1980-05-20

Yudkoff, Norman

Refrigeration

Processes

Circulating external gas

62 28, 62 23, 62 38, F25J 302

Patent

active

042037425

ABSTRACT:
A process is disclosed for the recovery of ethane and heavier hydrocarbons from a methane-rich gas utilizing an expander, a high pressure demethanizer tower with flashed and expanded vapor and liquid streams, as coolants in heat exchange relationship with the processed hydrocarbon vapors.

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patent: 3292381 (1966-12-01), Bludworth
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patent: 3405530 (1968-10-01), Denahan et al.
patent: 3520143 (1970-07-01), Becker
patent: 3568460 (1971-03-01), Hoffman et al.
patent: 3626448 (1971-12-01), Crawford
patent: 4061481 (1977-12-01), Campbell et al.
patent: 4155729 (1979-05-01), Gray et al.

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