US Patent Issued to FIBRACAST on July 1 for "Tightly spaced flat sheet immersed membranes and fine bubble aeration" (Canadian, American Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,682, issued on July 1, was assigned to FIBRACAST LTD. (Hannon, Canada).

"Tightly spaced flat sheet immersed membranes and fine bubble aeration" was invented by Diana Benedek (Rancho Santa Fe, Calif.), Babak Lakghomi (Hamilton, Canada) and David M. Turnbull (Burlington, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An immersed membranes uses aeration (air bubbles rising past the membranes) as a means to scour the membrane surface and keep it clean from solids, or foulants, allowing for continuous and effective operation. In a module of flat sheet membranes, fine bubble aeration is used to create and maintain space between the membrane sheets. ...