US Patent Issued to HUANENG CLEAN ENERGY RESEARCH INSTITUTE on Jan. 20 for "Method for deep desiliconization of coal ash and recovery of silicon resources" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,706, issued on Jan. 20, was assigned to HUANENG CLEAN ENERGY RESEARCH INSTITUTE (Beijing).

"Method for deep desiliconization of coal ash and recovery of silicon resources" was invented by Jinhang Fan (Beijing), Dongfang Guo (Beijing), Shiqing Wang (Beijing), Lianbo Liu (Beijing) and Shiwang Gao (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for deep desiliconization of coal ash and recovery of silicon resources includes: ball-milling and drying decarburized coal ash; adding calcium oxide into a salt to obtain a mixture, and heating the mixture to a molten state under an inert atmosphere to obtain a molten salt, a molar ratio of the...