US Patent Issued to Alderley Gold on April 7 for "Alkaline oxidation methods and systems for recovery of metals from ores" (Nevada Inventor)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,529, issued on April 7, was assigned to Alderley Gold Corp. (Vancouver, Canada).

"Alkaline oxidation methods and systems for recovery of metals from ores" was invented by Randy Buffington (Elko, Nev.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An oxidation step for sulfide and transition ores prior to CN leaching to recover 60 to 90 percent of metals from those ores. Use of tona, soda ash or carbonate source in treating sulfide and transition ores for CN leaching recovery of metals, including gold and silver. The oxidation of sulfide and transition ores in the presence of carbonate. Low moisture content in the heap, to enhance available oxygen, d...