Patent ID: 7148366
Filing Date: 2006-12-12
Classification: A23D,A23J,A23V,C11B

Abstract:
1. A process for removing oil from an agricultural substrate, including a dry grind corn, the process comprising: mixing an ethanol solution comprising ethanol and water with a concentration in the range of from about 90% to about 100% ethanol with the dry grind corn in a ratio of from about 10:1 to about 1:1 to form an extraction solution including the ethanol solution, oil, and corn solids; separating the extraction solution into the corn solids and a filtrate, the filtrate including the ethanol solution and oil; membrane filtering the filtrate to restrain an oil concentrate from the filtrate and passing a permeate of the ethanol solution, said membrane filtering including nanofiltration; and, purifying the oil contained within the oil concentrate.