Gas absorption for separation of hydrocarbons

Details Gas absorption for separation of hydrocarbons Gas absorption for separation of hydrocarbons

1991-02-22

1992-10-20

McFarlane, Anthony

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By addition of extraneous agent, e.g., solvent, etc.

585862, 585864, 55 63, C07C 710, C07C 700, B01D 1900

Patent

active

051572028

ABSTRACT:
For recovery of low-boiling hydrocarbons by scrubbing, the crude gas mixture which contains low-boiling and high-boiling hydrocarbons, is treated with a scrubbing agent, by which the high-boiling components are scrubbed-out of the gas mixture. The loaded scrubbing agent, with the addition of liquid medium miscible with the scrubbing agent and which reduces the solubility for the scrubbed-out hydrocarbons, is regenerated and the completely regenerated scrubbing agent is recycled to the scrubbing. The regeneration is preferably divided into the following individual steps:

REFERENCES:
patent: 2719601 (1952-04-01), Bartholome et al.
patent: 2838133 (1958-06-01), Schreiner
patent: 2891633 (1959-06-01), Morro, Jr. et al.
patent: 3363400 (1968-01-01), Takao et al.
patent: 4134795 (1979-01-01), Howat, III
Robinson and Gilliland, Elements of Fractional Distillation, 4th Edition, 1950, McGraw Hill Book Company, N.Y.

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