水污染控制工程课件

水污染控制工程Wastewater Treatment Engineering

教材及参考书 高廷耀等编《水污染控制工程》下册，高 等教育出版社(第三版); 张自杰等编《排水工程》下册，中国建筑 工业出版社(第四版) ; 张希衡等编《水污染控制工程》,治金工 业出版社(第二版)。

课程内容 污水的来源与性质(第9章) ; 污水的处理方法：物理处理(第10章) ; 生物处理(好氧第11-14章、厌氧 第15章); 化学处理(第16章); 污水回用(第17章); 污泥的处理与处置(第18章) ; 污水处理场设计(第19章) 。

Wastewater Treatment PlantCity of Yongin

Discharge

Areal View of the PlantSecondary Clarifiers Sedimentation Tanks Agricultural Waste and Agricultural Waste and Night Soil Treatment Night Soil Treatment Aeration Tanks Aeration Tanks Dewatering Thickener Primary Clarifiers Grit Chamber Dewatered Sludge Filterss

Digesters

Raw Ag. Waste and Night Soil

Raw Sewage

Screen

Bar Screen

Pumps

Pumping Sewage

Primary Clarifier or Sedimentation Tank

Covered Tank (odor control)

Primary Clarifier or Sedimentation Tank

Inside of the Tank

Primary Clarifier or Sedimentation Tank

挡板 出水堰 Primary Effluent

Aeration Tank (Activated Sludge)

Covered Aeration Tank

Aeration Tank (Activated Sludge)

Inside the Aeration Tank

Air Blowers

To provide oxygen for microorganisms

Secondary Clarifier or Sedimentation Tank

To separate solids by sedimentation

Secondary Clarifier or Sedimentation Tank

Secondary Effluent

Secondary Clarifier or Sedimentation Tank

Secondary Effluent (<5 mg/L of SS)