US Patent Issued to VALMET on March 3 for "Pre-hydrolysis pressure vessel system comprising a cleaning arrangement" (Swedish Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,824, issued on March 3, was assigned to VALMET AB (Sundsvall, Sweden).

"Pre-hydrolysis pressure vessel system comprising a cleaning arrangement" was invented by Patrik Pettersson (Alno, Sweden), Lars Fredriksson (Alno, Sweden) and Christer Hagglund (Bergeforsen, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pre-hydrolysis pressure vessel system includes; a material inlet for receiving biomass material to be treated in the pre-hydrolysis pressure vessel system and a material outlet for expelling treated biomass material out from the pre-hydrolysis pressure vessel system; a transport screw arrangement including a transport screw provided ins...