CASS工艺在城镇污水处理厂运行中存在的问题及改进措施赵文莉

市政工程设计:2008-07-01CASS工艺在城镇污水处理厂运行中存在的问题及改进措施赵文莉蔡静娜(102600)以一工程实例介绍采用CASS污水处理工艺处理城镇生活污水的方法针对该工艺的运行特点和工程实际运行中存在的问题进行认真分析探讨,并采取调整剩余污泥泵排泥时间改造污泥脱水间设备沟通相关部门调节污水提升时间等措施,提高污水处理效果,保证出水水质达标排放CASS工艺城镇污水处理存在问题改进措施TU992B1009-4539(2008)-0140-031CASS(SBR),,,,,,,,2CASS1998,20021010m3,22.4km2,22,144,CASS2.1(1)1mg/LSSCODcrBOD520035016030301003025/%8571.481.2517,(GB18918-2002)2.2(1)12.3CASS48,8ABCD,,,,:,,28,=T/+T/+T+T/5,41,140铁道建筑技术RAILWAYCONSTRUCTIONTECHNOLOGY2008()市政工程设计CASS,T/=T/+T+T/,4h,/2h,1h,//1h;,,3h,/90min,45min,//45min,2A1C1A2C2B1D1B2D2////////////////2.4(3)3mg/LSSCODcrBOD518941224236.1324.875.727.122/%8781.688.83913,(SS),,3(1),,,,,,,(2),,8SV30MLSSSVIDOF/Mc,,8,,:,84,4,//,,,30%,,(3),MLSS,SV30,,SVI180g/mL,,,,,,,,,,,,CASS,,,,,220m3,()450m3,50%(4),0.54(0.75),,,,,,,,,,()141铁道建筑技术RAILWAYCONSTRUCTIONTECHNOLOGY2008()市政工程设计SV3030%,MLSS3.5g/L,SVI100g/mL,,SV3050%,,SV30,30%50%4,,CASS,,(1),,,,,,,(2),,,(,,),8,,,(3),,,1,,,,,,(4),,,,20min,,,5(1),SV3030%,SVI100g/mL,(2),,(3),,,,1.[M].:,20052,.SBR[J].,2007()(上接第108页),,,,445,,,1.[J].,1992(3)142铁道建筑技术RAILWAYCONSTRUCTIONTECHNOLOGY2008()