HCR处理石化废水运行特性研究张东曙

HCR*张东曙汪海峰高廷耀屈计宁李皓邱立俊吴平采用HCR进行了处理石化废水的中试试验,研究了HCR在石化废水应用中的运行特性试验结果表明,HCR具有充氧效率高启动速度快污泥负荷高和抗冲击负荷能力强等特点与常规工艺相比,HCR能有效减少建造污水处理设施的占地费用,缓解土地资源紧张的矛盾HCR石化废水运行特性*,,,,,,,,,HCR(HighPerformanceCompactReactor)Clausthal80[1],,,HCR,[2~4],HCR[5~7]1HCRHCR:()1,HCR1,,,,,;,,,(),,,,,,,1HCR1HCR/m/m/m343515281112182435406103030181035024542HCRHCRHCR,,,,,,28m3/h,34Vol29No3200341m3/h,40m3/h,44m3/h,50m3/h(302),DODO,2(220,105Pa)2HCR2,34m3/h40m3/h,,40m3/h,34~40m3/h,,,;40m3/h,1951mgO2/(Lh)3HCR05m3(MLSS4g/L)HCR,,2h,36h,3m3/h,1,36m3/h,COD(MLSS)COD,HCR33HCR3,HCR3,125g/L416g/L,COD60%,43g/L,COD70%HCR,14HCR(HRT)HCR,:,HCR,36m3/h,,,CODNH3-NCODNH3-N454HRTCOD5HRTNH3-N4,35min(058h),COD,,35min,COD708%2h,COD70%,HRT35min,HCRCOD5,,NH3-N,160min,42Vol29No32003NH3-N308mg/L165mg/L,464%,HRTNH3-N,HRTHCRNH3-N5HCR3m3/h,1,36m3/h,3d,28~33,HCR66HCRBOD6,HRT033h,BOD129~307mg/L,BOD40mg/L,HCR6HCR2HCR,HCR18,HCR10,HCR;,HCR,1/207(1)HCR:34~40m3/h,,,(2)HCR,1(3)HCR,36m3/h,HRT35minCOD,COD2HCRHCR/h59033/kgBOD/(kgMLSSd)0287287BOD/%798726COD/%661675/d33;HRTHCRNH3-N(4)BOD,HCRBOD40mg/L,HCR(5),,HCR,HCR,,参考文献1VogelpohlA.Biologischereinigungvonabawaessernmitdemkompaktreaktor.ChemInd,1985,37:43~462,.(HCR):.,1997,16(5):25~273MKNYenkie,SUGeissenandAVogelpohl.Biokineticsofwastewatertreatmentinthehighperformancecompactreactor(HCR).TheChemicalEngineeringJournal,1992,(49),B1~B124,,.HCR.,2000,26(4):25~285,..,2001,21(1):77~806,..,2002,28(1):41~437,AKnap..,1998(2):31~34:20009267#:[phone]E-mail:Dongshuzhang@sinacom:20021021*:顾芳*Vol29No3200343WATER&WASTEWATERENGINEERINGVol29No3March2003ABSTRACTSAmmoniaNitrogenRemovalfromRefuseLandfillLeachatebyZeoliteAdsorptionProcessJiangJianguoetal(6)Abstract:Facingtheproblemofhighammonianitrogencontainedrefuselandfillleachatetreatmentandtoreducethecostofthistreatment,alaboratorybench-scalestudyofzeoliteadsorptionprocesswasexploredforthefeasibilityandefficiency.BytheexperimentitwasfoundthataNH3-Nremovalof78%wasobtainedunderconditionsofzeolitegranulesizeof30~16ordersandthatthepotentialadsorptioncapacitywas155mgNH3-Npergramofzeolite.Incaseofthesameadsorptiontime,zeolitesizeandleachateflux,higherinflowNH3-Nconcentrationis,higheradsorptionspeedisobtained.ItisbelievedthatasadsorptionagentforNH3-Nremovalfromrefuselandfillleachate,zeolitecouldbefeasible.PilotStudyonPelletCoagulationProcessTreatingWastewaterinWaterworksHuangTinglinetal(9)Abstract:Apilotplantofpelletcoagulation(PC)processwithcapacityof10~395m3/hwascarriedouttotreatwastewaterofawaterworksinXian.TheexperimentalresultsshowthatPCprocess,whichischaracterizedwithhighhydraulicload,goodeffluentquality,andhighsludgeconcentration,canbewellusedtotreatwaterworkswastewater.Forthisfacilityincasewhentherawwastewaterhasmoisturecontentof9853%~9995%,thehydraulicload,effluentturbidityandmoisturecontentofthedrainedsludgeare445~1725mm/s,5~20NTUand938%~960%respectively.Theoutletsludgeofthisplantcouldbetransferdirectintodewateringmachine.ThedosagesofPAMandPAC(A1203)arecontrolledat22~47mgpergramofdrysludgerespectively.OnPowerConsumptionofCatalyseElectrolyticRemovalofCODandNH3-NfromRefuseLeachateWangMinetal(13)Abstract:TheimpactfactorsonthespecificpowerconsumptionandcurrentefficiencyofCODandNH3-Nremoval,suchasthematerialofelectrode,thecurrentdensity,thegapbetweenelectrodesandthespecificelectrolyticareaforelectrolytewerestudied.ThestudyprovedthatremovalrateincreasedandthespecificpowerconsumptionforCODandNH3-NremovalsdecreasedincaseofreducedgapbetweenelectrodesandadoptionofSPRanode.Alsohigherremovalswereobtainedincaseofhighercurrentdensityandspecificelectrolyticarea,however,thespecificpowerconsumptionincreasedatthesametime.AStudyontheInherentShortcomingsandCountermeasuresoftheA2/OProcessZhangJieetal(22)Abstract:TheinherentshortcomingsofA2/Oprocess,thereintothecontrarycompetitionofnitrifyingbacteria,denitrifyingbacteriaandpolyphosphateaccumulatingorganismsfororganicloading,sludgeageandcarbonsourcesimpededthepromotionoftheirapplicationforNandPremoval.Manyexpertsconductedalotofstudiesandexploitedmanyprocesses.Butuntilnowtheoveralleffectofbiologicalnutrientremovalisnotgoodenough.TheauthorsofthispaperthinkthatitisneededtodevelopnewprocesseswhosecarbonsourceisPHBanddevelopadua-lsludgesystem,inwhichthenitrifyingbacteriaanddenitrifyingbacteriashallworkseparately.TheoreticalbasesandconcreteintroductionshallbeprovidedforthepracticalapplicationofA2/Oprocesses.UltrasonicAbatementofAqueousTraceLeverPollutants:PolychlorinatedBiphenylsZhangGuangming(30)Abstract:Thesonolysisofaqueouspolychlorobiphenyls(PCBs)attracelevelwasinvestigated.Operativeparametersincludingthefrequencyandintensityofultrasonic,ambienttemperatureandsaturatinggaseswereexamined.Pseudofirst-order-rateconstantsofPCBsdegradationundervariousconditionswereobtained.TheresultsshowedthatsonolysiscoulddegradeaqueousPCBseffectively,and358kHzwasthebestfrequency.ApplicationofcombinedArandO2assaturatinggas,andusageofsmallsizeprobecouldenhancesonificationsignificantly.ResearchontheOperationalCharacteristicofHCRintheTreatmentofPetrochemicalWastewaterZhangDongshuetal(41)Abstract:Ap