US Patent Issued to Andritz on May 13 for "Determining one or more proportional particle group shares in flue gas of a recovery boiler" (Finnish Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,004, issued on May 13, was assigned to Andritz Oy (Helsinki).

"Determining one or more proportional particle group shares in flue gas of a recovery boiler" was invented by Heikki Lappalainen (Varkaus, Finland) and Petri Pynnonen (Kotka, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and system to determine one or more proportional particle group shares in flue gas of a recovery boiler (110) based on optical information gained from a flue gas sample. A processor (202) is used to read (301) a digital frame comprising the area under consideration, which represents at least a part of the surface of a sampler (120) kept in the flue gas f...