Patent ID: 6454936
Filing Date: 2002-09-24
Classification: C10G

Abstract:
A process for extracting organic acids from a starting oil comprising the steps of:(a) treating the starting oil containing organic acids with an amount of solids and water under conditions and for a time and at a temperature sufficient to form a water-in-oil emulsion of said starting oil, water and solids wherein said solids are selected from solids having a total average surface area of less than or equal to 1500 square microns; (b) separating said emulsion of step (a) into a plurality of layers wherein one of such layers contains a treated oil having decreased amounts of organic acids; (c) recovering said layer of step (b) containing said treated oil having a decreased amount of organic acid and layers containing water and solids wherein said solids are selected from silica, alumina, coke, montmorillonite clays, and mixtures thereof.