Patent ID: 9434890
Filing Date: 2016-09-06
CPC Classification: B01D,C10G,C10L

Claim Text:
1. A method of transferring metals and/or amines from a hydrocarbon phase to an aqueous phase in a refinery desalting process comprising: adding acidic wash water to a crude oil to create an emulsion, where the crude oil comprises metals and/or amines, and where the emulsion comprises a composition comprising at least one water-soluble hydroxyacid selected from the group consisting of glycolic acid, gluconic acid, C adding at least one corrosion inhibitor to the emulsion; and resolving the emulsion into a hydrocarbon phase and an aqueous phase using electrostatic coalescence in the refinery desalting process, where at least a portion of the metals and/or amines are transferred to the aqueous phase.