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1,2,3,2(1.,266071;2.,266071;3.,266071):A/OD,CODSS95%91%86%,CODSS1007015mg/L,(GB89781996),,,:;;;A/O;D:X703.1:C:1000-4602(2009)02-0055-03DesignandOperationCommissioningofTreatmentStationofHighSalinityWastewaterfromAquaticProductProcessingFactoryYUDe2shuang1,ZHANGHong2,NIEWen3,WANGKai2(1.SchoolofChemicalandEnvironmentalEngineering,QingdaoUniversity,Qingdao266071,China;2.QingdaoDabiaoEnvironmentalEngineeringCo.Ltd.,Qingdao266071,China;3.QingdaoUrbanPlanningandDesignResearchInstitute,Qingdao266071,China)Abstract:Thedesign,commissioningandoperationofengineeringfortreatmentofhighsalinitywastewaterfromaquaticproductprocessingfactorybyairflotation-A/O-coagulationandsedimentation-D2typefilterprocessareintroduced.Thecultureanddomesticationofhalophilicbacteriawerecomple2tedsuccessfullybyusingthemethodofcombiningtheintroductionandfieldcultureofhalophilicbacteri2a.ThetreatmentpracticeindicatesthattheremovalratesofCOD,SSandNH+4-Ninthetotaltreatmentsystemareabove95%,91%and86%respectively,andtheeffluentCOD,SSandNH+4-Narelessthan100mg/L,70mg/Land15mg/Lrespectively.Theeffluentqualityisbetterthanthefirstlevelcri2teriaspecifiedintheIntegratedWastewaterDischargeStandard(GB8978-1996).Thesystemisstableinoperation,goodintreatmentefficiency,andlowinoperationcost.Keywords:highsalinitywastewater;halophilicbacteria;airflotation;A/Oprocess;D2typefilter:(50678085)1:5525220091CHINAWATER&WASTEWATERVol.25No.2Jan.2009COD,,,,9000m3/d,5644m2,1847A/OD,(GB89781996)11Tab.1DesigninfluentandeffluentqualitypHCOD/(mgL-1)BOD5/(mgL-1)/(mgL-1)SS/(mgL-1)/(mgL-1)6915006001004001500069100201570211Fig.1Flowchartofwastewatertreatmentprocess,,,ª18m9.1m,2155m3,HRT6h,2,18m3m2.5m,270m3,HRT40minA/OA/O,,,[1],151,50%,300%,25.0m25.0m5.0m,2,6250m3,HRT16.7h,1.85kgCOD/(m3d)ª12.5m4.5m,2,1104.5m3,1.2m3/(m2h),HRT3.0h21.6m3.5m3.5m,3,793.8m3,3mm/s,HRT2.1h,D,,,6.2m4.45m4.6m,2,256m3,4.5m7.5m4.0m,1,135m3,5.0m5.0m4.8m,1,120m3,6.5m5.0m4.8m,1,156m3,(),,ª2.5m4.5m,1,198.8m3,80%3311A/O,[23],A/O,,,;,,A/OCOD,65252(PAC)(PAM),PACPAM,,PACPAM,6,50%200710,,(GB89781996)31322Tab.2TreatmentresultsofeachunitBOD5CODSS/(mgL-1)8002000500200/(mgL-1)6401400150170A/O/(mgL-1)3211217/(mgL-1)3211210517/(mgL-1)25.678.473.515D/(mgL-1)201007015/%98.8496.692.590.28450%,135104m3/a,300d/a3.6/m3,486/a1.09/m3,0.74/m30.07/m30.20/m30.08/m3,COD5130t/aSS1180t/a232t/a380t/a,5,,3(HRT8h),,,10,6A/OD,(GB89781996),,(1.09/m3),,,,:[1],,,.[M].:,2003.[2].[J].,2004,24():209-211.[3],,,.[J].,2002,22(6):546-550.:13906396202E-mail:hgdyds@263.net:2008-09-0475:252