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1、Municipal Wastewater,陈雪梅 学号:10,Directory,The pullution source,The treatment method,Definition,Sewage discharged into urban sewage system,Including,municipal wastewater domestic sewage industrial wastewater,The pullution source,Municipal wastewater is collected through pipes all drainage, is discharg
2、ed into water pipe system of sewage, industrial wastewater and the mixed water of urban rainfall runoff.,At present,in economic development, social progress and the importance of water in the peoples life are indispensable for break. However, with the accelerating industrialization and urbanization,
3、 is facing the challenge of shortage of water resource, serious pollution in our country.,The treatment method,Primary treatment: handle object: suspended solids treatment method:grille(格栅) grit chamber(沉砂池) settling basin (沉淀池),The treatment method,Secondary treatment: treatment method: activated s
4、ludge process SBR biological membrane oxidation ditch,SBR,The water time,Aeration time,Precipitation time,Drainage time,Idle time,The treatment method,Tertiary treatment: handle object:N、P、SS、organic matter treatment method: Biological methods Physical and chemical method,Sewage treatment, of course, we also ought to begin from myself,The sewage discharged into sewer,Secondary water, control the amount of sewage,Green living,Thanks,