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IC1,2,3(1.,518049;2.,518057;3.,250014):,(InternalCirculation,IC)+,,(DB44/26-2001):(IC);;:X703.1:B:1008-021X(2006)05-0033-04ApplicationExamplesofICProcessesandContactsOxidationProcessesintheChocolateWastewaterTreatmentBAIXin-an1,XINGSi-yong2,XIAOGuo-ya3(1.EnvironmentalIndustriesLtd.ofWeichuangShenzhen,Shenzhen518049,China;2.ZhongyeChangtianInternationalEngineeringCo.,Ltd.SZBranch,Shenzhen518057,China;3.DesignInstituteofShandongChemicalIndustryResearchInstitute,Jinan250014,China)Abstract:Inviewofafoodcompanychocolateproductioncharacteristics,theuseofhighlyefficientanaerobicreactor-cycleanaerobicreactor(InternalCirculation,calledICprocesses)+contactsoxidationprocessesgovernance,processedwaterqualitystandardsforlocalstabilitytoGuangdongProvincewaterpollutantdischargelimits(DB44/26-2001)2hourslevelstandards.Keywords:anaerobicreactorcycle(IC);contactoxidation;wastewatertreatment,,,SSCODBOD,,,,,(IC)+,,,,1,80m3/d,JELLY70m3/d,150m3/d,24h,1(DB44/26-2001)(2),1mg/LpHCODCrBOD5SS5.55300260011001780.0JELLY1325000140003500502mg/LpHCODBOD5SS6990206010.022.1133,:IC5:2006-04-13:(1974-),,,,,,:©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,JELLY:IC(IC)UASB,,,,(35-50),,,,UASB[13],,,,IC,IC,IC,,COD86%,IC5.5m5.5m,8.0m,180m3,54hMLSS=5060kgVSS/m3,67.2m,1520kgCOD/(m3d),3538,80%,pH78.51kgCOD,0.45m3:,,,,,,,95%,:,:,LWT,,,,,LWT-S,,,,,LWT,,,,COD28003000mg/L,,COD90mg/L,:,43SHANDONGCHEMICALINDUSTRY200635©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,:,,,,2mg/L:2.3(1),PLC,(2),50%,,(3),(4)LWT,,,2.4335.0m2.0m2.5m1HRT=6h40HYF-13T2Q=10m3/h,H=20m,N=2.2kWREG7001Q=60m3/h,D=3mm,N=1.1kWJELLY7.0m2.0m2.5m1HRT=9.5h40HYF-13T2Q=10m3/h,H=20m,N=2.2kWREG7001Q=60m3/h,D=3mm,N=1.1kWP1-021Q=102L/h,N=0.2kWBLY12-23-2.21=120r/min,N=2.2kWIC5.0m5.0m8.0m1HRT=54h,20kgCOD/(m3d),MLSS=5060kgVSS/m3,353712m3.5m3.5m1HRT=17.6h40HYF-13T2Q=10m3/h,H=20m,N=2.2kWSDF8001Q=8m3/h,5.5kW4.0m3.5m4.0m1HRT=6.2h40HYF-13T2Q=10m3/h,H=20m,N=2.2kW4.5m3.5m4.0m3=10m3/min,HRT=27.2h,2.5kgCODCr/(m3d)GRB-1002Q=10m3/min,H=4m,N=11kW3.5m3.5m4.0m10.62m3/(m2h)1.0m3.5m4.0m140HYF-13T2Q=10m3/h,H=20m,N=2.2kW2.0m2.0m4.0m10.73m/h3.0m3.5m4.0m13.0m2.5m2.2m133.1(1)IC:IC,JELLY48h,,ICpH6.87.2,pH6.57.5,pH,1:0.5CODCr80%,CODCr10d80%,6,,,CODCr90%(2):,53,:IC5©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(mgL-1)/(mgL-1)/%IC/(mgL-1)/%CODJELLY25000245002225490.85300504010BODJELLY14000137202119391.32600234010JELLY505010801780534705COD/(mgL-1)45783146100684343COD/%31963236.799.06BOD/(mgL-1)3043192521181313BOD/%36.798.91027.899.60/(mgL-1)25453322/%9299.60SS/(mgL-1)6004802522SS/%20959898.403.366/181.6/m2200/kW46.923kW/2650//(m-3)4.164(1)JELLY,,,ICNaOHCa(OH)2,ICpH6.87.5,IC,(2)IC,,(3),,[1],,.()[M].:.[2],,,.()[M].:.[3],,,.[M].:.63SHANDONGCHEMICALINDUSTRY200635©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.