ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,218, issued on Nov. 18, was assigned to PROBIOSPHERE INC. (Riviere-du-Loup, Canada).

"Dried microbial sludge granule as additive for wastewater treatment" was invented by Pierre Naider-Fanfan (Riviere-du-Loup, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides compositions as additives for wastewater treatment. A first composition comprising archaea microorganism granules for bioaugmentation for treatment of COD in wastewater, and a second composition of activated silicate beads that allow removal of phosphate, nitrogen and suspended solids. The mixture of both compositions act synergistically by promoting organic m...