Songshan Reclaimed Water Plant

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The Guiyang Nanming River Basin Water Environment System Improvement Project—The Songshan Reclaimed Water Plant Project PPP project is located near the sales department of Yuanqiaoyuan Zhilongcheng in Yunyan District, Guiyang City. It is an underground reclaimed water plant. The land area of ??the reclaimed water plant is about 4047.80 m2 (6.07 mu). . The total planned construction of the project is 10 million m3/d. The total coefficient of variation is Kz = 1.3, and the peak design flow rate Qmax = 541 m3 / h. The effluent quality of Songshan Reclaimed Water Plant implements the Class A standard in the Pollutant Discharge Standard for Urban Sewage Treatment Plants (GB18918-2002), in which the effluent COD and NH3-N reach the surface IV water standard, and the sludge is properly transported after dewatering. Dispose of. The pretreatment of Songshan Reclaimed Water Plant adopts medium and fine grid + aerated grit chamber + membrane grid; the sewage biochemical treatment adopts AAO+MBR process, the sewage disinfection adopts ultraviolet disinfection process, and the treatment reaches the standard and is discharged into the city west river; After disinfection, sodium hypochlorite is used to assist disinfection. The sludge treatment adopts the sludge storage tank + centrifugal concentrated dewatering machine + low temperature drying process, the sludge moisture content is 60%; the deodorization process adopts the biological deodorization process. SPV is Guizhou Guishui Qingyun Environmental Technology Co., Ltd., a JV between the sponsors Beijing Bishuiyuan Technology Co., Ltd. (1%), Guizhou Guishui Investment Development Co., Ltd. (93%), Guizhou Zhongzhu Construction Co., Ltd. (1%) and the state-owned Guiyang Yunyan Industry Investment Development Co., Ltd. (5%). Type of concession is BOT with a contract period of 15 years. Financial close took place on April 8, 2019. http://www.cpppc.org:8083/efmisweb/ppp/projectLibrary/getProjInfoNational.do?projId=cd0f15a33f394b3ebd1906c9e41954b7