MASS高效气浮处理焦化废水的试验研究张水燕

。[1]、[2]、[3][4]。MuddyRiverTechnologies,Inc.-MASSMicroairseparationsystem。MASS。。11.1。PASPAMPAM800。PAS、PAM10%、0.1%。MASS2.0m3·h-1OIL460OrionAQ45005B-3CCOD。1.2MASS1。。T。。MASS12111121.2501012.250100MASSPAM、pH、。PAMpH。(50±2)℃MASS35%～70%COD5%～25%30～140mg·L-120～40mg·L-1COD3800mg·L-1COD。MASS。MASSX784A1000-3770(2011)0[e-mail]1MASSFig.1TheworkingprincipleofflotationequipmentMASS
T  37520115TECHNOLOGYOFWATERTREATMENTVol.37No.5May,201181DOI:10.16796/j.cnki.1000-3770.2011.05.0211.0～1.1MPa0.7～0.8MPa38Hz0.06m3·h-1。。22.1CODCOD。MASS1。1COD。。。COD。//。2.22.2.1PAMPASPAM。1.1m3·h-175min。2aPASPAMPAS21T22.5。PAM110%COD6%。PASPAM2PASPAM。PAM1～2minPAM。TPAMPAM。2bPAM210%30%13。PAM2PAM。。3COD2COD。[5]COD、。CODCOD5%CODCOD。2.2.2pHpH、3CODFig.3OilcontentandCODremovalatdifferentdosinglevels40060080010001200510152025303540PAS
/mgL%4567891011121314COD%1Tab.1Flotationresultswithoutflocculant39.4943.1464.0438.9541.6070.88392247515453385747415144COD/mg·L-1ρ()/mg·L-12Fig.2Flowchartofflocculationflotation2b2PAM2a1PAM37582Al()Fe()。pH8.0～9.5pH437mg·L-11.1m3·h-1。4pH9.5pH。pH8.5。2.2.3。5PAS1000mg·L-1PAM5.0mg·L-170mg·L-1。51。1.04。20%～25%。2.2.4PASPAM。PAS500～1000mg·L-1PAM10.0mg·L-1PAM10.0mg·L-1。PASCOD6。(46±2)mg·L-1、COD(5000±50)mg·L-1。6PASPAS800mg·L-136%COD25%PASCOD。[6]。PAS7。7PAS80mg·L-1PAS900～1000mg·L-1。2.2.5PAS8。84pHFig.4TheeffectofwastewaterpHontheoilremovalbyflotation7.58.08.59.09.510.010152025303540pH
%5Fig.5Therefluxratiochangewiththeoilremovalefficiencybyflotation0.40.60.81.01.21.41.601020304050607080
 %6CODPASFig.6Therelationshipbetweenoilcontent、CODremovalrateandPASconcentration5006007008009001000110010152025303540PAS/mgL
%7PASFig.7BestdosageofPASchangewithwaterandoilcontent2040608010012014016030040050060070080090010001100

mgLPAS/mgLMASS83。42mg·L-1。40mg·L-125mg·L-119mg·L-1。MASS30～140mg·L-120～40mg·L-1。COD9。9CODCOD5%～25%COD3800mg·L-1。20mg·L-1COD2MASS20mg·L-119mg·L-1。2.2.62。(50±2)℃。(50±2)℃MASS35%～70%COD5%～25%。20～30℃。3MASSMASS。PAMPAM。pHpH。PASCOD。PAS1000mg·L-1。PAMPAS10.0mg·L-1。CODCOD35%～70%COD5%～25%。MASS30～140mg·L-120～40mg·L-1COD3800mg·L-1。MASS。。[1],,.[J].,2001,23(3):67-69.[2],.[J].,2005,36(6):51-52.[3],,,.[J].,2003,24(4):1-5.[4],,,.//[J].,2007,23(24):55-58.[5],,,.[M].:,2005:18-24.[6]TadrosT.Interactionforcesbetweenparticlescontaininggraftedoradsorbedpolymerlayers[J].AdvancesinColloidandInterfaceScience,2003,104(1-3):191-226.360038004000420044004600480050005200051015202530
CODmgLCOD%CODmgL360038004000420044004600480050009CODCODFig.9ThemaximumCODremovalratechangewiththeCOD8Fig.8Themaximumremovalrateofoilchangewithwaterandoilcontent2040608010012014016020304050607080

mgL%

mgL102030405060708018.0517.4615.7018.8017.4717.78394233483268388333233340COD/mg·L-1ρ()/mg·L-1220mg·L-1Tab.2Theemissionwaterchangeswhenoilcontentlessthan20mg·L-18837584THESTUDYONTHEPRETREATMENTINDRYSEASONWITHTHECONVENTIONALEMERGENCYTREATMENTONTHEBACKUPWATERLiuJincui1,YangLi2,HuangBinglin1(1.DepartmentofEnvironmentalScience&Engineering,SouthChinaUniversityofTechnology,Guangzhou510006,China2.ArchitecturalDesignResearchInstitute,SouthChinaUniversityofTechnology,Guangzhou510006,ChinaAbstract:ThisarticleisbasedontheBackupwatersourceofZhujiangChanneloftheGuangzhouwatersecuritysystem,andstudytheemergencycapabilityofthehigh-speedwatersupplyBAFastheBiologicalPretreatmentwiththeconventionalways.ThatistoswitchtheBackupwatersourcewhenthewaterinXijiangiscaughtintheemergency.ThesimulationoftheemergencytreatmentofZhujiangsparehighpollutionrawwatertestshowsthatthehigh-speedfilterwiththeconventionalwayshasagoodresistancetoimpactloadcapacity:after48～72hofswitchingwater,AmmoniaNitrogenoftheBiologicalPretreatmentbasicallyreaches1～2mg·L-1,theSandfilterbasicallyreaches≤0.5mg·L-1;switchingwaterwithinhours,thenitritebacteriaandnitratesbacteriainthefilterisalreadycoordinationstableinthegrowthratesandconversioncapacities.Thereactornitrificationkindsofbacteriadomesticatedeffectisgood.After45h,theaverageremovalofCODisstablein15%～20%whiletheaverageremovalturbidityis29.9%.Keywords:high-speedwatersupplyBAF;dryseason;turbidity;ammonianitrogen;nitritenitrogen;COD0.23～1.44NTU0.52NTU≤0.5NTU。310℃。48hCOD。BAFBAFGB5749－2006。[1],,.[J].,2007,23(14):8-11.[2],.[J].,2007,23(8):14-18.[3]GB/T5750.1－2006[S].[4]GB5749－2006[S].4Fig.4Theturbidityremovalefficiencyofemergencyexperiment061218243036424854606672020406080100150200-20020406080

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TREATMENTOFCOKINGWASTEWATERBYMASSHIGHEFFICIENCYFLOTATIONZhangShuiyan1,2,HuPan1,ChenChanghua1,LiZengqiang1,WuJian1,GaoBaoyu2（1.JigangGroupCo.Ltd.,Jinan250101,China；2.SchoolofEnvironmentalScienceandEngineering,ShandongUniversity,Jinan250100,China）Abstract:Pilottestontheflocculation/flotationtreatmentofcokingwastewaterhasbeencarriedoutbyMASS(Microairseparationsystem)highefficiencyflotation.Polyaluminiumsulfate(PAS)andnonionicpolyacr