US Patent Issued to HaskoningDHV Nederland on March 24 for "Method and device to optimize plug flow in an aerobic biological wastewater treatment reactor" (Dutch Inventor)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,777, issued on March 24, was assigned to HaskoningDHV Nederland B.V. (Amersfoort, Netherlands).

"Method and device to optimize plug flow in an aerobic biological wastewater treatment reactor" was invented by Andreas Giesen (Amersfoort, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for the treatment of wastewater in a biological treatment reactor, comprising the steps of (a) introducing wastewater influent at the bottom part of the reactor while simultaneously decanting treated wastewater effluent at the operational water level in the top part of the reactor, (b) an aeration step and (c) a settling step...