ADDITIVE COMPOSITION FOR DEMULSIFICATION OF WATER-IN-OIL EMULSION, AND METHOD OF USE THEREOF, AND METHOD OF DEMULSIFICATION

摘要

The present invention relates to a demulsification composition for demulsification of water-in-oil emulsion formed due to mixing of wash water in the crude oil, wherein the composition comprises (a) a compound selected from the group comprising glyoxal, neutralized glyoxal, glyoxal derivative and a mixture thereof, and (b) one or more demulsifiers. In one embodiment, the present invention relates to a method of demulsification of water-in-oil emulsions by treating it with the present demulsification composition. In another embodiment, the present invention relates to a method of using the present additive composition for demulsification of water-in-oil emulsions.