US Patent Issued to METAWATER on July 15 for "Cleaning method of membrane filtration system and membrane filtration system" (Japanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,949, issued on July 15, was assigned to METAWATER Co. Ltd. (Tokyo).

"Cleaning method of membrane filtration system and membrane filtration system" was invented by Hideki Kozono (Tokyo) and Nobuhisa Matsushige (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cleaning method of a membrane filtration system in which a plurality of modules including an inlet side region and an outlet side region separated by a filtration membrane are connected in parallel by a common blow header pipe in the inlet side region, the method including backwashing and blowing in which after the backwashing is started, gas is introduced into the plurality of modules thr...