CASS工艺用于建筑小区污水处理及中水回用

62200904EQUIPMENTENVIRONMENTALENGINEERINGCASS,,(,210007):CASS工艺自身的优点以及建筑小区污水处理的特点,决定了CASS工艺在建筑小区污水处理及中水回用中的优势地位详细阐述了CASS工艺的原理运行控制过程中的主要问题以及主要的设计参数:CASS工艺;生活污水;回用;建筑小区:X505:A:1672-9242(2009)02-0055-04:2008-08-22:(1964-),,,,,,1ApplicationsofCASSProcessinWastewaterTreatmentandRecyclingofArchitectureSectionYANGLa-mei,YUJie,XIEYong-jun(PLAUniversityofScienceandTechnology,Nanjing210007,China)Abstract:TheexcellencesofCASSprocessandthecharactersofwastewatertreatmentinarchitecturesectiondecidethepositionofCASSprocessinthewastewatertreatmentandrecyclingofarchitecturesection.TheprinciplesofCASSprocess,themainproblemsinthecourseofoperationandcontrol,andthemaindesignparameterwereintroduced.Keywords:CASSprocess;domesticwastewater;recycling;architecturesection,(),,,,,,[1]1CASSCASS(CyclicActivatedSludgeSystem)SBR,,2090,,CASSSBR,,5520090410%,,,,,,,,,SBR,,,[2],,,CASS11CASSFig.1SketchmapofCASSreactorCASS,,,CASS,,,,2DOCASS,CASSDO,,,,CASS,[3],,CASS,CASS,,,,,,[4]3,,,,CASS,20%[3],,4CASS,CASS,,,3,,,,[1],:,,,,5662:CASS5CASS[5]:0.1~0.2kgBOD5/(kgMLSSd);15~30d;1530;5~6m;MLSS500~4000mg/L;30%~40%;12h,4~6h,2~3h,1~2h,1h;()20~30L/(ms),,CASS,CASS,2~4[6]6CASS,,,(GB/T18920-2002),,CASS,,,,CASS,,,CASS22CASSFig.2FlowchartofwastewaterrecyclinginCASS7CASS(PLC),DO(CODpH),,,,[3]8CASS1),10%~30%l0,1.5,CASS1.12),CASS,,20%~35%3),,,,,,,10%~25%4),,,,COD400mg/L,30mg/L;,COD3000mg/L,50mg/L,,,CASS,,[7]5),,,,6),7),CASS:CASSCODCr57200904290mg/L,30~45mg/L,(CODCr60mg/L);7,,[8]9,,,CASS,,,CASS,:;;,,,,CASS:[1].SBR[M].:,2003.[2],.[M].:,2006.[3],.(CASS)[J].,2004,24(4):7-10.[4],,,.[J].,1999,15(8):32-34.[5],.CASS[J].,2003,19(2):34-35.[6],,.CAST[J].,2007,23(4):61-64.[7].CASS[J].,2005,23(3):5-7.[8],.CASS[J].,2005,30(6):56-57.(上接第43页),2),,,,,,3),,,,5,,,,GJB1032,,,:[1]GJB1032-90,[S].[2],,.[J].,2006,24(5):38-40.[3],.(ESS)[J].,2006,3(1):63-66.58