US Patent Issued to BL TECHNOLOGIES on March 17 for "Process for water treatment using immersed gas transfer membranes" (Canadian Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,137, issued on March 17, was assigned to BL TECHNOLOGIES INC. (Minnetonka, Minn.).

"Process for water treatment using immersed gas transfer membranes" was invented by Pierre Lucien Cote (Dundas, Canada), John David Ireland (Oakville, Canada), Nicholas William H. Adams (Oakville, Canada) and Steven Kristian Pedersen (Burlington, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus has a plurality of gas transfer membranes. The apparatus floats in water with the membranes submerged in the water. To treat the water, a gas is supplied to the membranes and is transferred to a biofilm supported on the membranes or to the water. Gas is also ...