US Patent Issued to NEGATIVE EMISSIONS MATERIALS on Sept. 22 for "Integration of carbon sequestration with selective hydrometallurgical recovery of metal values" (Canadian, French Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,226, issued on Sept. 22, was assigned to NEGATIVE EMISSIONS MATERIALS INC. (New Castle, Del.).

"Integration of carbon sequestration with selective hydrometallurgical recovery of metal values" was invented by Jeremy William Ley (Paris) and David Dreisinger (Delta, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Processes are provided in which successive steps of hydrometallurgical value extraction may be carried out using the products of carbon capture and an electrolytic reagent-generating process. The electrolytic process provides an acid leachant and an alkali hydroxide, with the alkali hydroxide then available for use either directly as a ...