ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,146, issued on June 24, was assigned to Alden Group Environmental Solutions LLC (The Woodlands, Texas).
"Wastewater treatment system and method for producing sludge for cement manufacturing" was invented by William Paul (Bucyrus, Kan.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wastewater treatment system, including a wastewater phase-separation device, may be used to combine at least one primary treatment chemical and wastewater to produce cleaned water and a sludge byproduct. The wastewater treatment system may also include a wastewater dewatering device that may be used to combine the sludge byproduct and at least one secondary treatment che...