Inventor
ZHENG XINGCAN
CN3 patents
Patents
3 patentsUS11760659B2Sep 19, 2023
System and process for separating sand and gravel in sediments of sewage pipe network and recycling organic matters
NORTH CHINA MUNICIPAL ENG DESIGN & RES INST CO LTD1 citations56
US11932564B2Mar 19, 2024
System and method for extracting carbon source from sewage sludge in sewer pipes through online organic and inorganic component separation
NORTH CHINA MUNICIPAL ENG DESIGN & RES INST CO LTD0 citations43
US11739015B2Aug 29, 2023
Low-carbon nitrogen and phosphorus removal system and process for sewage treatment
NORTH CHINA MUNICIPAL ENG DESIGN & RES INST CO LTD0 citations41