Unsaturates recovery and recycle process

Details Unsaturates recovery and recycle process Unsaturates recovery and recycle process

1995-01-18

1996-05-14

Gibson, Sharon

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By plural serial diverse separations

585866, C07C 700

Patent

active

055169651

ABSTRACT:
The invention relates to a process for recovering unreacted unsaturated hydrocarbons from an effluent stream of a process for synthesizing oxygenated hydrocarbons from unsaturated hydrocarbons, said stream containing unreacted unsaturated hydrocarbons, oxygenated reaction products, and low-boiling gaseous components selected from the group including CO, H.sub.2, CO.sub.2, H.sub.2 O, C.sub.1 -C.sub.5 alkanes, nitrogen, helium, and argon by absorbing the unreacted unsaturated hydrocarbons and the oxygenated hydrocarbons of the synthesis process effluent stream in a solvent wherein said solvent is an unsaturates-depleted stream of the oxygenated product of said synthesis process, and stripping the unsaturated hydrocarbons from the solvent to produce a first stream concentrated in unsaturates and a second stream of oxygenated product depleted in unsaturates, wherein said unsaturates-depleted stream is the absorption solvent and the synthesis process product.

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