Outline Drinking water treatment Conventional treatment process Advanced treatment process Wastewater treatment Wastewater situation in China √ Wastewater treatment process Case Study of wastewater treatment plant √Algae separation √Reuse of wastewater Question: Which technology is“sustamable☒” Why?Outline Drinking water treatment  Conventional treatment process  Advanced treatment process Wastewater treatment  Wastewater situation in China  Wastewater treatment process  Case Study of wastewater treatment plant  Algae separation  Reuse of wastewater Question: Which technology is “sustainable?” Why?