抗生素废水处理工程的设计与运行

,,(GB8978-96)(ABR)(UBF)(CASS),30020%30%70,,,,,40,70,70,[12],,19952199512,19962199612,1997119994,19974199712,1998119987,19988,,,(GB8978-96)1,450t,,,,,,,,:,;,,11pHSS/mg/LBOD/mg/LCOD/mg/L/mg/LSO2-4/mg/L/7154681037921009302164287109088592176252500m3/d,,(GB8978-96),:pH=69,SS150mg/L,COD300mg/L,BOD100mg/L2211,,,,1212,:(1),42Vol128No1420021,,,(2),(ABR)[34],(UBF)[56],,,,,UBF,[78](3)(ABR),12,25m6m515m,3,,,,13,32m,,,(4)(UBF),8,8m,12m,,57m2m,812m:,,,;,,;,,,,,,,:;,,;,,(5),:H2S,,,,,,,(6)(CASS)[9]CASS,CASS:,,,;;,,,;,O,,,;,,;,,(7)Vol128No14200243,BOD/COD012013,,(8),,,32326h420m312h1250m312h1250m35kgCOD/(m3d)4200m36260m36h625m3CASS019kgCOD/(m3d)2890m324h220m33/m15106105151151015106101251012105151!8101210825108105151CASS25102510515110105107101419987,68,41998920009UBFCASS2351260,519011,2111/m3,COD0125/kgCOD,(4pH5180813971697192(7106)(7176)69SS/mg/L376114836116(719)(76)150COD/mg/L747010500167281(8690)(249)300BOD/mg/L33505160729(4230)(22)100:2UBF3CASS5//a229000/a1918110kW0150/(kWh)47153000/3166200t/a50/t31102%25125%631019011)1141/m36260m3,,015/m3,11217,7714,44Vol128No1420020186/m31,..,1997,18(3):83852,..:,2000.4685053BachmannA,etal.Performancecharacteristicsoftheanaerobicbaf2fledreactor.WaterResearch,1985,19(1):991064..,1994,16(5):36385GuiotSR,etal.Performanceofanupflowanaerobicreactorcom2biningasludgeblanketandafiltertreatingsugarwaste.Biotechnolo2gyandBioengineering,1985,27(6):8008066,.UASB+AFC.,1994,15(6):54577GhoshS,etal.Methaneproductionfromindustrialwastebytwo2phaseanaerobicdigestion.WaterResearch,1985,19(12):108310948,..,1993,19(7):20249GoronzyMC,..,1996,12(6):410]:45000297:(0371)38874313888026(0)13803719397E2mail:[e-mail]:2001O11O29ÓÓ,,,,0(),,8819m,8m(8m),(12m,120m,214m3/s,2000kW),,,1111(1)141,2,34,,,115m015m,,Vol128No14200245WATER&WASTEWATERENGINEERINGVol128No14April2002ABSTRACTSDeterminationofSludgeDischargefromWaterworksYeHuietal(1)Abstract:Theliquidsludgewaterdischargedfromwaterworkshastobetreated.Thesludgedischargeofwater2workscouldbedividedintotwoparts:theliquidsludgewaterandthesoliddrysludge.Theliquidsludgewatercouldbedeterminedbythesludgedischargemannerofsedimentationtanksandthebackwashingoperationofthefilters.Therearetwowaystodeterminethesolidsludgedischarge,namely,thecalculationandmassbalancinganalysis.Thelatermightbeanindispensablecomplementandcheckingtotheformer.Thesetwomethodsarepresentedandcomparedinthispaper.WastewaterReuseofEastWTPinHandanCityShangYaoqingetal(5)Abstract:ThebasicstatusonwastewaterreuseoftheEastWastewaterTreatmentPlantinHandanCity,HebeiProvinceinNorthChinaispresented.Onthebasisofuserinvestigationofreusedwater,thedeliveryofreusewaterwouldbemadecertainqualitativelyandquantitatively.Inthiscasethefiltrationandchlorinationprocesseswereadoptedforwastewatertreatment,andithasbeenapprovedbythepracticalapplicationofbothqualifiedqualityandeconomicbenefit.AdvancesinResearchonPre2ozonizationofDrinkingWaterSunXinetal(7)Abstract:Theprincipalobjectivesofpre2ozonizationareremovalsofcolor,odor,algaeandalgaltoxins,disinfectby2productscontrol,pollutantconversionandcoagulationaid.Thetreatmentefficiencyisdirectlyinfluencedbytherawwaterqualityandozonazitioncondition.Somehazardousozonizationby2products,suchasaldehydesandbromatesareintroduced.Severalkeyproblemsofpre2ozonizationaresummarizedanddiscussed.NeuralNetworkAppliedforQuantitativeStructureofAnaerobicBio2degradabilityRelationshipModelofOrganicSubstancesOuyangJunetal(10)Abstract:Inthispaper,aquantitativestructureanaerobicbiodegradabilityrelationship(QSBR)modelwasestab2lishedusingthemethodoftri2layerfeed2forwardback2propagationneuralnetwork.Inthismodel,anaerobicbiodegra2dabilitywasquantifiedbyanaerobicindex(AI),andmolecularconnectiveindexesoforganiccompoundarethevari2ables.AnewmethodofbuildingQSBRmodelisexplored.StudyonSubmergedBio2filmforP2RemovalLiJunetal(23)Abstract:AStudyonthebio2filmcharacteristicsofphosphorusremovalisthepremiseofascertainingthemecha2nismofbiologicalphosphorusremoval.Itischaracterizedbykeepingalargeamountofbiomassinthesubmergedbio2filmreactor,andthesludgeinformofstrippedbio2filmfromthemediacontainedhighpercentofphosphorus.Thesludgeproductionyieldwas011996kgDS/kgCOD.Throughthebacterialspeciesidentificationtest,thearticleanalyzesthemicroorganismcharacteristicsinphosphorusremovalbio2filmandthefunctioninbiologicalphosphorusremovalpro2cess.Moreover,itiscertainthatthedominantphosphorusremovalbacterialspeciesisPseudomonasandthenAeromonas,Baciilus,Micrococcus,Nitrobacterinthesubmergedbio2filmprocess.HydrolysisAcidification2AirFloatation2SBRProcessTreatingLinenWastewaterYuDeshuangetal(32)Abstract:Theaerobicbiologicaltreatmentoflinenwastewaterseemspoorly,becausetheorganicmattersinthewastewaterisnoteasytodegrade.Afacilitywithcapacityof1000m3/dandusingacombinedprocessesofhydrolysisacidification,airfloatationandSBRwasdesigned.ThedesignedinflowhasstrengtheningsasCOD=8001000mg/L,BOD=400500mg/L,SS=200300mg/LandpH=7.Whennormaloperationofhydrolysisacidificationwasguaranteed,CODremovalover25%couldbereached.AferairfloatationandSBRprocessthefinalCODre