Process for recovery of ethylene from gaseous mixture

Details Process for recovery of ethylene from gaseous mixture Process for recovery of ethylene from gaseous mixture

1984-03-15

1985-06-25

Hart, Charles

Gas separation

Means within gas stream for conducting concentrate to collector

585848, 585849, 55 55, B01D 1900

Patent

active

045251800

ABSTRACT:
With application of new liquid absorbent, comprised of a compound selected from a group composed of silver halide and cuprous halide, an aluminium halide, a polymer selected from a group composed of styrene and styrene derivatives, and an aromatic hydrocarbon, it is possible to recover ethylene by absorbing ethylene from gaseous mixture containing ethylene such as FCC off gas, ethylene plant off gas and coke oven gas. In particular, said liquid absorbent is neither diluted nor reduced its capability to absorb ethylene by water or its vapor contained in the said gaseous mixture, so the liquid absorbent can be used repeatedly for the recovery of ethylene from gaseous mixture containing ethylene and water or its vapor, without any pretreatment to reduce the water content of said gaseous mixture.

REFERENCES:
patent: 3592865 (1971-07-01), Long et al.
patent: 3651159 (1972-03-01), Long et al.
patent: 3927176 (1975-12-01), Turnbo et al.

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