ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,425, issued on March 18, was assigned to Veolia Water Technologies Inc. (Cary, N.C.).

"System and method for treating evaporator blowdown" was invented by Mark C. Nicholson (Pewaukee, Wis.) and Corey Skadahl (Madison, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention entails dual centrifuges configured to remove suspended solids, silica, and other precipitants from evaporator brine prior to the brine being disposed of via deep well injection. First, the evaporator brine is directed through a highly efficient first centrifuge configured to remove essentially all suspended solids, including very small suspended solids that typ...