Demonstration work of inter-cycle biological contact oxidation process for purification of Daqing River in Dianchi Lake watershed
附加回流的生物接触氧化工艺净化滇池大清河水质的示范工程研究

Daqing River is the most seriously polluted river in the Dianchi Lake watershed.A bypass demonstration work of the inter-cycle biological contact oxidation process(IBCOP),with the treatment scale of 1000 m3/d and the HRT of 4.75 h,was built around the river bank to purify the river water.During the winter dry season from Nov.2007 to Apr.2008,three sets of conditions of the demonstration work were operated by regulating cycling ratio based on the influent qualities and climatic conditions.The results showed ...