Acetylene removal in ethylene and hydrogen separation and recove

Details Acetylene removal in ethylene and hydrogen separation and recove Acetylene removal in ethylene and hydrogen separation and recove

1981-06-29

1982-06-22

Sever, Frank

Refrigeration

Processes

Circulating external gas

62 20, 62 31, 62 39, 208351, F23J 302, F23J 306, F23J 308

Patent

active

043360459

ABSTRACT:
A selected paraffinic or olefinic liquid is used to scrub acetylene from a minor gas fraction of uncondensed gas from a hydrocarbon feed mixture containing ethylene, hydrogen, acetylene and methane. Hydrogen product gas is separated and recovered from said minor gas fraction. The major gas fraction is processed without said acetylene removal operation, but under elevated pressure conditions effectively avoiding acetylene solidification during the separation and recovery of an ethylene-enriched liquid.

REFERENCES:
patent: 2775103 (1956-12-01), Koble et al.
patent: 3607963 (1971-09-01), Dannel
patent: 3635038 (1972-01-01), Nagel et al.
patent: 3729944 (1973-05-01), Kelly et al.

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