Adjustment of DO Meter Position in Carrousel Oxidation Ditch and Its Effect

The DO meter position in the Carrousel oxidation ditch system was adjusted in two steps from 2003 to 2005.The design requirement of the system for measured value of dissolved oxygen is gradually achieved,the automatic control operation pattern tends to be complete.The oxygenation capacity of surface aerator even more meets the system operation need.The adjustment of DO meter position has no influence on the operation of oxidation ditch and the effluent quality.