US Patent Issued to SHENZHEN POLYTECHNIC on Aug. 4 for "Apparatus and method for treating oil-containing sludge with metal-friched biochar" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,227, issued on Aug. 4, was assigned to SHENZHEN POLYTECHNIC (Shenzhen, China).

"Apparatus and method for treating oil-containing sludge with metal-friched biochar" was invented by Lei Wang (Shenzhen, China), Beidou Xi (Shenzhen, China), Shaofeng Li (Shenzhen, China), Yangyang Wang (Shenzhen, China), Xiaoshu Wang (Shenzhen, China), Yan Shao (Shenzhen, China), Jiancong Liu (Shenzhen, China), Jin Liu (Shenzhen, China) and Jinsheng Wang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "It discloses an apparatus and a method for treating oil-containing sludge, wherein, a pressurized chamber is the main structure, and a mixture of carbonic ac...