ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,133, issued on May 13, was assigned to Xinkai Environment Investment Co. Ltd. (China) and Tianjin Huanchuang Technology Development Co. Ltd. (China).
"Shortcut nitrification method for sewage treatment" was invented by Feng Hou (Beijing), Ting Zhang (Beijing), Xiaoxin Cao (Beijing), Hongtao Pang (Beijing), Yanqing Shao (Beijing) and Yongzhen Peng (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to the field of sewage treatment, and specifically relates to a shortcut nitrification method for sewage treatment. The shortcut nitrification method for sewage treatment provided in the present application comprises the...