APPARATUS FOR MEMBRANE SEPARATION Russian patent published in 1998 - IPC

FIELD: apparatuses for separation of solutions by back osmosis and ultrafiltration; may be used in food, pharmaceutical and other industries. SUBSTANCE: tubular apparatus for back osmosis and ultrafiltration has body accommodating drainage tube with membrane located on it, nut screwed on drainage tube and conical bushing with circular slot located inside nut for passing the separated solution. Bushing enters with its small diameter the tubular membrane through a value ensuring minimal gap for discharge of resin gel between membrane and bushing outer surface; with gel having high content of dissolved substances. EFFECT: higher efficiency of the process of solutions separation. 3 dwg