ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,002, issued on Oct. 7, was assigned to EM Resources LLC (South Jordan, Utah).

"Methods and systems for controlling carbon burn out" was invented by Rafic Y. Minkara (Kennesaw, Ga.) and Joseph W. Cochran (Palm Harbor, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for beneficiating a recovered fly ash material and/or recovering fly ash from an impound site are described. The method may include thermally treating a first portion of a recovered fly ash material to form a thermally treated fly ash having a first temperature of at least 1000deg F., and contacting the thermally treated fly ash with a second portion of the recovered...