Patent ID: 8097049
Filing Date: 2012-01-17
Classification: B01D,B01J,C07C,C10G,C10L,Y02E,Y02P

Abstract:
1. A process for purification of fatty acid alkyl esters (FAAE) comprising: (a) treating fatty acid alkyl esters (FAAE) utilizing one or more adsorbent columns containing an adsorbent material for removing one or more impurities from the fatty acid alkyl esters (FAAE) and said fatty acid alkyl esters (FAAE) continuously flow through said one or more columns; (b) regenerating the adsorbent material with an acidic alcohol for removing adsorbed impurities from the adsorbent material, and (c) re-using the regenerated adsorbent material in step (a); wherein said impurities are selected from one or more of soap, metals, free glycerin, sterol glycosides, and free fatty acids (FFA).