US Patent Issued to Wesdon-Tienda Environmental Sciences on Nov. 18 for "Slightly heavy particle system for wastewater treatment" (Chinese, Canadian Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,217, issued on Nov. 18, was assigned to Wesdon-Tienda Environmental Sciences Co. Ltd. (Tianjin, China).

"Slightly heavy particle system for wastewater treatment" was invented by Jingxu Zhu (London, Canada), Haibin Li (Guangzhou, China), Yuanyuan Shao (London, Canada), Xiaobo Wang (Guangzhou, China), Anqi Liu (Guangzhou, China), Zengli Zhao (Guangzhou, China), George Nakhla (Woodbridge, China) and Michael Nelson (London, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A slightly heavy particle system for wastewater treatment includes a contactor. The contactor includes a gas-liquid-solid three-phase region, and the gas-liquid-solid three-phase ...