臭氧处理对造纸废水COD和色度去除效果的研究

。、。*214760912014A0303101452014ZM0071。COD*112121．5106402．510640COD、。COD。pH9、21mg/L、30℃、25minCOD148mg/LCOD56.9%90%。CODX793A1671－4571201603－0079－03。12。。、、。3－7。COD。11.1COD250±20mg/LBOD40－60mg/L550C.U.。1.2500mLpH1L/min。20mL、CODBOD。1.3pHpHSartoriusCOD8BOD58HACHDＲ2800USACJ/T3028.2—1994。22.1pH21mg/L、25℃、COD250mg/LpH1。1pHCODpHCODpH9COD。pH3、5、7925minCOD32.5%、34.2%、44.5%49.5%58.4%、70.3%、83.0%86.7%。1COD。9pH。97《》20163531pH2.2pH9、25℃、COD250mg/L2。2COD18、21、2428mg/L25minCOD44.8%、49.5%、50.7%51.0%76.3%、86.7%、88.2%89.7%。221mg/LCOD。21mg/L。pH9、21mg/L、COD250mg/L、25min3。3COD30℃COD53.0%。30℃88.5%35℃。30℃。22.332.4CODpH9、21mg/L、30℃、25minCOD4。408PaperScience＆Technology2016Vol.35No.3CODCODCOD148mg/LCOD56.9%90.0%4COD2.51COD/mg·L－125011814864BOD/mg·L－156393124BOD/COD0.2240.3310.2090.375pH9、21mg/L、30℃、25min1。1CODBODBOD/COD。。3COD。pH9、21mg/L、30℃、25minCOD148mg/LCOD56.9%90%。。1MezaPＲFelissiaFECristinaAreaM．Ｒeductionoftherecalci-trantCODofhighyieldpulpmillseffluentsbyAOP．Part1．Combi-nationofozoneandactivatedsludgeJ．BioＲesources2011621053－1068．2．J．2012631244－250．3KreetachatTDamrongsriMPunsuwonVetal．Effectsofozona-tionprocessonlignin－derivedcompoundsinpulpandpapermilleffluentsJ．J．Hazard．Mater．20071421－2250－257．4CatalkayaE．CKargiF．2007．ColorTOCandAOXremovalsfrompulpmilleffluentbyadvancedoxidationprocessesAcompara-tivestudyJ．J．Hazard．Mater．20071392244－253．5．J．201029468－71．6BijanLMohseniM．Integratedozoneandbiotreatmentofpulpmilleffluentandchangesinbiodegradabilityandmolecularweightdistri-butionoforganiccompoundsJ．WaterＲes．200539163763－3772．7．、J．2012402149－155．8．M．．1998．ChemicalOxygenDemandCODandColourＲemovalEfficiencyofPapermakingWastewaterwithOzonationZhangCheng1LeiLi-rong12LiYou-ming121．StateKeyLaboratoryofPulpandPaperEngineeringSouthChinaUniversityofTechnologyGuangzhou510640GuangdongChina2．NationalEngineeringＲesearchCenterofPapermakingandPollutionControlSouthChinaUniversityofTechnologyGuangzhou510640GuangdongChinaAbstractDuetotheproblemsofpoorbiodegradabilityandhighconcentrationoforganiccompoundsofsecondarybiologicaltreatmenteffluentfrompapermillozonationwasappliedtotreatthesecondarybiologicaltreatmentefflu-entfromapapermillandtheeffectofozonationonCODandcolourremovalefficiencywasstudied．ExperimentalresultsfoundthatCODandcolourcouldbeeffectivelyremovedbyozoneoxidationandthehighestCODandcolourremovalof56.9%and90%wasachievedatinitialpHvalue9ozoneconcentration21mg/Ltemperature30℃initialCODconcentration148mg/Lin25min．AtthesametimetheBOD/CODvalueoftheeffluentincreasedaf-terozonationindicatingincreaseofbiodegradabilityoftheeffluentafterozonationwhichisadvantageoustothesubsequentbiologicaltreatment．KeywordspapermakingwastewaterozonationadvancedtreatmentCODcolour18《》2016353