ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,851, issued on Feb. 17, was assigned to FIBRACAST LTD. (Hannon, Canada).
"Operation of immersed membrane using cross flow" was invented by Diana Benedek (Rancho Santa Fe, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of operating an immersed membrane filtration system includes a step of providing a liquid flow, for example a recirculation flow, past the surface of the membranes to clean, or help clean, the membrane surface. Since immersed outside-in membranes are effectively filtering out clean water from the effluent, they are also dewatering the effluent. To avoid solids concentration, most immersed membrane systems require that a...