Mercaptan extraction process with recycled alkaline solution

Details Mercaptan extraction process with recycled alkaline solution Mercaptan extraction process with recycled alkaline solution

1982-12-06

1983-09-13

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Sulfur removal

208230, C10G 1902, C10G 1908

Patent

active

044040989

ABSTRACT:
Water is removed from an alkaline solution used to extract mercaptans from a hydrocarbon stream by contacting a portion of the alkaline solution with a warm hydrocarbon vapor stream. The portion is removed from an extraction zone and reintroduced into an oxidation zone. This process flow arrangement has operational and cost advantages compared to removal from a settling zone and passage of the stripped warm alkaline solution into the extraction zone.

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