US Patent Issued to TONGJI UNIVERSITY on Sept. 23 for "Method for promoting methane production from sludge by anaerobic digestion in high ammonia-nitrogen habitat using biochar with high C/N ratio" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,149, issued on Sept. 23, was assigned to TONGJI UNIVERSITY (Shanghai).

"Method for promoting methane production from sludge by anaerobic digestion in high ammonia-nitrogen habitat using biochar with high C/N ratio" was invented by Lin Wang (Shanghai), Yunpeng He (Shanghai), Yongmei Li (Shanghai), Qian Ping (Shanghai), Yuqian Lin (Shanghai) and Zhicheng Xi (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a method for promoting methane production by anaerobic digestion in a high ammonia-nitrogen habitat using a biochar with a high carbon-to-nitrogen (C/N) ratio. In this method, a biochar material prepared by dr...