Patent ID: 6649062
Filing Date: 2003-11-18
Classification: B01D

Abstract:
A fluid-membrane separation process comprisinga. providing a nonporous membrane with a first side and a second side; b. providing a mixture having at least a first component and a second component; c. providing a first fluid and a second fluid to said process wherein at least one of said first fluid and said second fluid is fresh to and cannot be recycled to the same side of said process and at least one of said first fluid and said second fluid is in a supercritical state; d. mixing said mixture having said first component and said second component with said first fluid to form a fluid mixture of said first fluid and said mixture; e. passing said fluid mixture of said first fluid and said mixture of said first component and said second component over said first side of said membrane to obtain a mixture of a retenate of said second component and said first fluid; and f. removing said first component of said mixture from said second side of said membrane by passing said second fluid over said second side of said nonporous membrane to obtain a mixture of a permeate of said first component and said second fluid.