Abstract:Taking Houhai Wastewater Treatment Plant in Puwan New District of Dalian as an example, the general situation, the production capacity, the indicators and the selected treatment process of this WWTP are introduced. And the MUNITANK structure and the advanced treatment are described. The operation step, debugging step and the effluent data are analyzed. The change of the cycle is to save the dosage of carbon source. Finally, the stable operation of system is obtained and the effluent is up to the discharge standard, which can be referred for the relevant personnel.