ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,703, issued on Sept. 30, was assigned to HBI S.R.L. (Bolzano, Italy).
"Process of extraction of metals from a wet mass of waste" was invented by Daniele Basso (Renon, Italy), Renato Pavanetto (Quinto di Treviso, Italy), Flavio Manenti (Bolzano, Italy) and Kristiano Prifti (Bolzano, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process of extracting metals from a wet mass includes a step A of concentrating the metals in a carbonaceous solid with a thermochemical treatment of the wet mass, with the ancillary production of a treatment gas; a step B of thermochemical decomposition of the carbonaceous solid in an atmosphere constituted by an op...