US Patent Issued to VALMET on Sept. 8 for "Method and system for treating biomass" (Swedish Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,483, issued on Sept. 8, was assigned to VALMET AB (Sundsvall, Sweden).

"Method and system for treating biomass" was invented by Francois Lambert (Sundsvall, Sweden) and Rolf Boman (Sundsvall, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method for treating biomass, comprising compressing and dewatering (62) the biomass to a dry solid content of DS1% by weight; feeding (63) compressed biomass to a treatment vessel; adding (64) a treatment liquid to said treatment vessel; discharging (65) treated biomass; compressing and dewatering (66) discharged biomass to a dry solid content of DS2% by weight, and treating (68) the compressed and dewatered...