INTERNATIONAL PATENT: BEIJING DRAINAGE GROUP CO., LTD, 北京城市排水集团有限责任公司 FILES APPLICATION FOR "SYSTEM AND METHOD FOR PURIFYING WATER BODY BY MEANS OF COUPLED DENITRIFICATION WITH PLANTS, BACTERIA AND ALGAE"

GENEVA, Nov. 17 -- BEIJING DRAINAGE GROUP CO., LTD (B37, North Chegongzhuang Avenue, Xicheng DistrictBeijing 100044), 北京城市排水集团有限责任公司 (中国北京市西城区车公庄大街北里乙37号) filed a patent application (PCT/CN2024/130932) for "SYSTEM AND METHOD FOR PURIFYING WATER BODY BY MEANS OF COUPLED DENITRIFICATION WITH PLANTS, BACTERIA AND ALGAE" on Nov 08, 2024. With publication no. WO/2025/232122, the details related to the patent application was published on Nov 13, 2025.

Notably, the patent application was submitted under the International Patent Class...