H2O2联用工艺深度处理制浆造纸废水的试验研究

、、。、[12]。、[34][5]、[6]。[78]COD、、、[9]。O3/H2O2。11.11。1.21。1Tab.1ThecharacteristicofwastewaterfromsecondarybiochemicalCOD/mg·L-1BOD5/mg·L-1pH/280～32020～407.0～8.0300～400300307.553501Fig.1Experimentaldeviceschemes
2%KI
 O3/H2O2450001。O3/H2O2COD、。O3/H2O2COD300mg·L-195.250mg·L-135045NTU。X793A1000-3770(2012)[e-mail][e-mail]38320123TECHNOLOGYOFWATERTREATMENTVol.38No.3Mar.,20127520L2.0m100mmPVCCF-G-3-10g。31COD、。、COD、。2、、pH、。3pH、、COD、。1.3、、、、、、、、2%、。pHCOD[10]BOD5[11]。320-SpHM9W-CHU120KSY-2-16S。、、、、、、、、。22.12.1.1O3COD15L、COD。。385mg·L-1COD33%。385mg·L-1COD63%。2.1.2O3O3385mg·L-198.9%90%。COD385mg·L-130%COD250mg·L-1COD56%。299%。COD。2.22.2.15、10、15、20pH=7.546g·L-117℃h/dCOD2。2h/d=5245mg·L-1COD15%6～8mm。2CODFig.2EffectcurveofhighdiameterratiotoCODremovalrate05010015020025001020304050COD
% mgL38376h/d=10COD175mg·L-1COD175mg·L-1245mg·L-1COD41.1%3～5mm。h/d=15COD105mg·L-1COD30.5%COD46.5%。2～3mm。h/d=20h/d=15COD。h/d=15。245mg·L-1COD47.2%。h/dCOD15＜h/d＜20COD。15。2.2.2。17℃h/d=15pH=7.54、6、8、10g·h-1COD。COD35mg·L-14g·h-1COD8.11%10g·h-1COD17%。105mg·L-18g·h-1COD10g·h-110g·h-18g·h-1。8g·h-1CODCOD245mg·L-145.76%8g·h-1。2.2.3pH17℃h/d=158g·h-1pH5、6、7、8、9pHCOD3。3pHCODpH＜7pHCODpH＞7pHCODpH7～8CODpH。pH=5245mg·L-1COD22.07%pH=9245mg·L-1COD56.37%pH。17℃h/d=158g·h-1pH=9250mg·L-1COD56.37%。2.2.4pH7～8pHpH17℃h/d=158g·h-1pH=7.5425、50、75、100、125、150、175、200、225、250mg·L-14。4CODCOD75mg·L-175～175mg·L-13pHCODFig.3EffectcurveofpHvaluetoCODremovalrate0501001502002500102030405060COD
% mgLO3/H2O2771。175mg·L-1COD175mg·L-1COD45.2%250mg·L-1COD48.11%。。200mg·L-1COD47.9%。2.3、C=O、C=C。2.3.1pH17℃h/d=158g·h-1pH5、6、7、8、9pH5。5pH=5200mg·L-197%pH=9140mg·L-199%。pH。。2.3.2O317℃h/d=15pH=7.458g·h-125、50、75、100、25、150、175、200、225、250mg·L-16。625mg·L-158.6%。125mg·L-198%8。17℃h/d=15pH=7.45125mg·L-198%。2.42.4.1COD17℃h/d=15pH=7.458g·h-1H2O20501001502002500100200300400
mgLCOD/mgL020406080100 /%4O3CODFig.4EffectcurveofO3dosingquantitytoCODremovalrate5pHFig.5EffectcurveofpHvaluetochromaticityremovalrate050100150200250020406080100
% mgL6O3Fig.6EffectcurveofO3dosingquantitytochromaticityremovalrate0501001502002500100200300400
mgL/ 020406080100/%3837830%0.5、1.0、1.5、2.0mL·L-1H2O2COD7。7H2O2H2O21mL·L-1175mg·L-1COD70.5%200mg·L-147.9%COD。7H2O2H2O20.5～1mL·L-1CODH2O21.5mL·L-1COD2.0mL·L-1COD。H2O21.0mL·L-117℃h/d=15pH=7.458g·h-1H2O21mL·L-1150mg·L-1COD68.25%。2.4.2COD。17℃h/d=15pH=7.458g·h-1H2O21mL·L-1。O3/H2O225mg·L-168.4%100mg·L-199.4%。H2O2H2O2。3O3/H2O2H2O2。17℃h/d=15pH=7.458g·h-1H2O21mL·L-1150mg·L-1COD68.25%COD300mg·L-195.25mg·L-199.4%3502。、pH、、。17℃h/d=158g·h-1pH=7.54200mg·L-1COD47.9%98%。[1],,.[J].,2005,24(6):48-54.[2],,.[J].,2000,3:37-40.[3].[J].,2007,28(5):70-72.[4],,.[J].,2004,23(2):21-23.[5].[J].,2009,21(2):22-25.[6]SealeyJ,RagauskasAJ.Residualligninstudiesoflaccase-deligni-fiedkraftpulps[J].EnzymeandMierobialTechnology,1998,23(7-8):422-426.[7],.[D].:,2007.[8],.[J].,2010,2:25-31.[9],,,.[J].,2010,29(1):53-57[10].[M].4.,2002.[11],KuoCH.[J].,2000,13(2):20-23.7H2O2CODFig.7EffectcurveofH2O2dosingquantitytoCODremovalrate05010015020025001020304050607080COD
% mgL83O3/H2O279THEEXPERIMENTALSTUDYONADVANCEDTREATMENTOFPULPANDPAPERWASTEWATERBASEDONOZONE-HYDROGENPEROXIDEANDCOAGULATIONZhangYingying,MaiWenning,MaJing,WangGuoyuan（CollegeofWaterConservancy&EnvironmentalEngineering,ZhengzhouUniversity,Zhengzhou450001,China）Abstract:Pulpandpaperwastewaterwasoneofthemostsignificantresourcesofwaterpollution,itwasimperativetohaveaadvancedtreatment.Meanwhiletothedepthofwastewatertreatmenttechnologyresearchandtheapplicationmayalsohaveimportantimplications.Thisthesisadoptedozone,ozone-hydrogenperoxidesolutionandcoagulatingsedimentationprocessdeeptreatmentofpulpandpaperwastewater,inspectingtheinfluencingfactorsandtheremovaleffectivenessofwastewaterCOD,coloringremovalbytheprocessofozoneoxidationandozone-hydrogenprocess.Whilewaterofozoneoxidationflocculationprocessing,mainlyinspectthedifferenttypecoagulants(PAC,PFS)andcoagulant(PAM)combinationofwastewater,COD,turbidityremovalefficiencyofinfluencingfactors.ExperimentalresultsprovedthattheO3/H2O2andcoagulatingsedimentationprocesshadhighperformancetotreatmentthepulpandpaperwastewater.EventuallywillmaketheCODby300mg·L-1dropto95.25mg·L-1,chroma350timestoreduceby4times,turbiditylessthan5NTU,whichcanachievesewagereusecriteria.Keywords：pulpandpaperwastewater;ozoneoxidation;advancedtreatment;coagulatingsedimentationSTUDYONTHEKEYFACTORSOFCARBONFILTERPHVALUECHANGESINO3-BACPROCESSChenJiangling,LuShaoming(CollegeofEnvironmentalScienceandEngineering,SouthChinaUniversityofTechnology,Guangzhou510006,China)Abstract:It'sacommonproblemthatO3-BACprocesscarbonfiltereffluentpHreducedgreatlyinthehotandhumidregionsdeeptreatment.InGuangzhouatapwaterfactory,theinfluencefactorssuchastheozonedosingquantity,acidgasCO2incarbonfilter,theeffluentqualityincludingpHchangewereresearched.