The first phase of Jiang Xinzhou Sewage Treatment Plant was completed and put into operation on 1996, with a scale of 260,000 tons/day. In 2006 165438+ 10, the expansion and reconstruction project was completed, and the treatment scale was increased to 640,000 tons/day by using A/O activated sludge method, which is an important part of the Qinhuai River regulation project in Nanjing, covering an area of 465,438.