US Patent Issued to KUNMING METALLURGICAL RESEARCH INSTITUTE on Nov. 25 for "Method for treating polluted acidic wastewater from smelting with activated pyrite concentrate" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,745, issued on Nov. 25, was assigned to KUNMING METALLURGICAL RESEARCH INSTITUTE Co. LTD. (Kunming, China).

"Method for treating polluted acidic wastewater from smelting with activated pyrite concentrate" was invented by Yong Yang (Kunming, China), Keyuan Sun (Kunming, China), Weiwei Liu (Kunming, China), Xingyong Qin (Kunming, China), Huajun Chen (Kunming, China), Guohuan Xiong (Kunming, China), Yanbing Liu (Kunming, China), Wei Zou (Kunming, China), Hongxu Zhu (Kunming, China), Anlei Yue (Kunming, China), Sen Yan (Kunming, China) and Weizhi Diao (Kunming, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for treating polluted acidic wa...