AO结合循环式活性污泥法处理海产品加工废水庄荣玉

AO庄荣玉1,曹国忠2,董明敏1,朱有根3,诸葛胜军1(1.宁波大学生命科学与生物工程学院,浙江宁波315211;2.中外合资舟山兴业有限公司,浙江舟山316101;3.宁波大学职教学院,浙江宁波315211)[],AO,,(GB89781996),[];;AO;[]X792[]B[]1005-829X(2003)02-0053-03TreatmentofseafoodprocessingwastewaterbyAOandCASSprocessZhuangRongyu1,CaoGuozhong2,DongMingmin1,ZhuYougen3,ZhugeShengjun1(1.FacultyofLifeScienceandBiotechnology,NingboUniversity,Ningbo315211,China;2.ZhoushanXingyeIndustrialCo.,Ltd.,Zhoushan316101,China;3.CollegeofVocationalEducation,NingboUniversity,Ningbo315211,China)Abstract:ZhoushanXingyeIndustrialCo.,Ltd.usesthe2-sectAOprocessandCASS(cyclicactivatedsludgesystem)processtotreattheseafoodprocessingwastewater,becausethewastewatercontainshighammoniaandnitrogen.DuringmorethanoneyearsrunningafterthetechnologyhadpassedtheEvaluationandExamgivenbytheauthorizedmanage-mentorganization,thedischargedwatermeetstheNationalIntegratedWastewaterDischargeStandard(GB89781966).Theant-iimpactofthesystemisgood,anditalsohasgoodde-nitrogeneffect.Keywords:seafoodprocessingwastewater;wastewatertreatment;AOprocess;cyclicactivatedsludgesystem(CASS),(SBR),1978GoronszySBR1SBR,CASS,-,CASS,,,,,-CASS---2,,CASS3,4,56721CODBOD5,,1400m3d,45ta,BOD5CODCr=0.52,,122.1处理工艺流程532003年2月第23卷第2期IndustrialWaterTreatmentFeb.,2003Vol.23No.2表1废水水质及排放标准CODCr(mgL-1)BOD5(mgL-1)NH3-N(mgL-1)SS(mgL-1)pH3000160085~150350756~91503025150806~9,AOCASS,11,,,,,,,AO,AO,-,,AO,AO,OCASS,,,,图1废水处理工艺流程2.2主要处理构筑物及工艺参数,2表2主要构筑物及工艺参数m110831130m3hAO226184.82153m3;4.6m;HRT=13h;2mCASS226194.62135m3;4.3m;HRT=32h1864178m3,3.7mAO6,2A,4O,,50cm50cm,1.8m,CASS3~4gL,2~3mgL,CASS7h,-4h,1h,1h,1h33.1调试运行1999,1600m3d20007,9,101,AOCASS,9d,COD;,7d,,COD,,1113.2试运行期间的处理效果22000-11-15~2000-12-0420dCODCOD2,COD,,,,COD100%,,CODCr2310mgL,CODCr124mgL,CODCr94.6%图2试运行期间COD变化曲线12,BOD5SS,3BOD5SS,表3其他污染因子监测结果(mgL-1)BOD5(mgL-1)SS(mgL-1)1101460320AO66.2190140CASS2226703.3工程运行一年后的处理效果,,342001-09-03~2001-09-2926dCODCOD54水处理工程2003-02,23(2)100%,CODCr2890mgL,101mgL,96.5%;107mgL,21mgL,80.4%3.4工程每年对COD的削减效果20019图3运行一年后COD变化曲线图4运行一年后氨氮变化曲线AOCASSCOD41400m3,COD4.046td,365d,COD1477t,COD1425t,表4污水处理单元对COD的平均去除率mgLAOCASS%%%%289055480.855438730.138710173.9289010196.54(1)AOCASS,,COD96.5%,CODSS,,(2)CASS,,(3),(4)420,m31.7,,AOCASS,,,,[][1]GoronszyMC,,WutscherK.(CAST)[J].,1996,12(6):4-10[2],.-[M].:,1996.112-118[3]GoronszyMC,,WutscherK.(CAST)[J].,1997,13():7-12[4],.(CASS)[J].,1999,25(11):5-8[5].[J].,1999,12(4):9-11[6],,,.CASS[J].,1998,24(3):30-32[7],,.[J].,2001,32(1):40-42[](1964),1986,1995,:0574-87608347,E-mail:[e-mail][]2002-10-26EDITEDPRATO,CHRISGALLAGHER.IWC-2001-22(EDI)EDI,EDI,EDI,(纪永亮供稿)552003-02,23(2)AO结合循环式活性污泥法处理海产品加工废水