Patent ID: 8692004
Filing Date: 2014-04-08
Classification: B01D,C11B

Abstract:
1. PROCESS FOR PURIFICATION OF VEGETABLE OILS UPON WITHDRAWAL OF SOLIDS BY CENTRIFUGATION IN THE MISCELLA STAGE, being the industrial extraction of soybean oil, comprising using a solvent in which the main constituent is hexane, percolation extractors, which operate continuously and in countercurrent, with an optimized extraction ( 1 ) resulting in two streams, the mixture of oil and hexane, known as miscella, and the mixture of hexane and bran, bran also called lex; the first current will provide vegetable oil by the pre-evaporation process ( 10 ) followed by purification ( 6 ) and followed by distillation ( 2 ), and the second will provide white bran by the process of evaporation and browning ( 3 ) with saturated steam; and wherein solids removed in step ( 6 ) are returned to the extractor.