臭氧催化氧化去除水中聚乙烯醇

104Vol．10No．420164ChineseJournalofEnvironmentalEngineeringApr．20161211111121．4100042．410004Fe2+、Mn2+Cu2+。Fe2+35mg/L85%Mn2+5mg/L54%Cu2+35mg/L5%。335mg/L3hFe2+＞Cu2+＞Mn2+。X703A1673-9108201604-1633-05ＲemovalofpolyvinylalcoholbyozonecatalyticoxidationTanWanchun12XiePeng1SunShiquan1WangYunbo1NieXiaobao1WanJunli1YuLi’e121．SchoolofHydraulicEngineeringChangshaUniversityofScienceandTechnologyChangsha410004China2．KeyLaboratoryofWater-SedimentSciencesandWaterDisasterPreventionofHunanProvinceChangsha410004ChinaAbstractInthisstudycatalyticozonationtechnologywasutilizedtoremovepolyvinylalcoholPVAinwaterwithFe2+Mn2+andCu2+catalysts．ItshowedthattheremovalefficiencyofPVAbycatalyticozonationisclearlybetterthanwithozonationaloneandisaffectedbythecatalystconcentration．Theremovalefficiencyin-creasedwithFe2+concentrationandthemaximumremovalrateofPVAwas85%withaconcentrationofapprox-imately35mg/L．HowevertheremovalefficiencydecreasedwithMn2+concentrationandthemaximumefficien-cyratewas54%withaconcentrationofapproximately5mg/L．Theremovalratewas5%withaCu2+concentra-tionof35mg/Lotherconcentrationshadnoeffect．Theremovaleffectofthethreecatalystswithequaldosagesof35mg/Landareactiontimeof3hdecreasedinthefollowingorderFe2+＞Cu2+＞Mn2+．Keywordscatalyticozonationpolyvinylalcoholremovalrate513090322012SS052014－12－012015－01－071975—。[e-mail]、、、、。。、1-7。。7-10。。Fe2+、Mn2+Cu2+PVA。1011．1PVA1750±50、、、、、H3BO3、。3S-A5、、722S、、pH、。1．2PVA0．500g100mL500mg/LPVA。pH6．8520℃。1．3500mLPVA3min。20、40、60、80、100、120、140、160180min。1．4《4》PVAPVApHpH。22．1PVA20℃pH6．855、4、3、21g/LPVA。500mg/LPVA5180minPVA1PVAPVA。3S-A55g/L。5g/LPVA。25g/h3hPVA37%1h3hPVA。。2．2PVA20℃pH6．85FeSO4·7H2O、MnSO4·H2O、CuSO4·H2OFe2+、Mn2+Cu2+3。、·O－2·O－2O3·O－37-11。1PVAFig．1EffectofdifferentconcentrstionsofozoneonPVAremoval2PVAFig．2EffectofdifferenttimesonPVAremoval2．2．1Fe2+Fe2+11、22、35、4555mg/L。20minFe2+3。Fe2+Fe3+。436143Fe2+PVAFig．3EffectofPVAremovalbyFe2+catalyticozoneoxidation311mg/LPVA180minPVA51%37%。Fe2+PVA35mg/L85%。55mg/L85%PVA。Fe2+O3·OHO2FeO2+FeO2+·OH5。2．2．2Mn2+Mn2+Mn2+。12Mn2+Ｒivas13Mn2+。Mn2+5、13、22、3545mg/L。20minMn2+4。O3Mn4+OH－OH－O3MnO2-OH·PVA13-15。Mn2+PVAMn4+、Mn4+OH－、OH－4Mn2+PVAFig．4EffectofPVAremovalbyMn2+catalyticozoneoxidationPVA。4Mn2+Mn2+PVAMn2+MnPVA180min45%。2．2．3Cu2+Cu2+。EPＲ9Cu2+DMPO55-dimethyl-1-pyrrolineN-oxide5。545Cu2+Fig．5HydroxylradicalsgeneratedCu2+catalyticozonationprocess536110Cu2+。Cu2+5、11、22、3545mg/L20min6。6PVA。Cu2+35mg/LPVA53%。Cu2+11-15。6Cu2+PVAFig．6EffectofPVAremovalbyCu2+catalyticozoneoxidation2．3Fe2+35mg/LMn2+5mg/LCu2+35mg/LPVA7。7PVAFig．7ContrastofPVAremovalofdifferentozoneoxidationcatalysts7180minPVA37%。·OHPVA。Fe2+35mg/LPVA85%Mn2+5mg/LPVA54%Cu2+35mg/LPVA53%。PVA3Fe2+PVAMn2+Cu2+。31PVAPVAFe2+、Mn2+Cu2+Fe2+Cu2+Mn2+Fe2+、Mn2+Cu2+PVAPVA。2180minPVA35%PVAPVA。3Fe2+35mg/LPVA85%Mn2+5mg/LPVA54%Cu2+35mg/LPVA53%。PVAFe2+＞Cu2+＞Mn2+。1．PVA．2005226657-666ZhangHuizhenLiuBailingLuoＲong．ＲecentadvancesinthebiodegradabilityofPVAanditsderivativematerial．JournaloftheGraduateSchooloftheChineseAcademyofSciences2005226657-666inChinese2．PVA/PEG．200823422-25LiYadongHuHuiWeiSongetal．Preparationandchar-acterizationofPVA/PEGblendflowcastingfilm．JournalofZhengzhouUniversityofLightIndustryNaturalScience63614200823422-25inChinese3．．200424234-354．．201372551-556NingJunChenLiweiCaiTianming．Degradationmecha-nismofanilinebyozonationcatalysis．ChineseJournalofEnvironmentalEngineering201372551-556inChi-nese5．-PVA．201233113854-3858XingXiaoqiongHuangChenglanLiuMinetal．ＲesearchonthetreatmentofwastewatercontainingPVAbyozona-tion-activatedsludgeprocess．EnvironmentalScience201233113854-3858inChinese6．．200323269-73ZhangXingDuGuochengChenJian．Developmentsinstudyofpolyvinylalcoholdegradingenzyme．JournalofChineseBiotechnology200323269-73inChinese7．．200525728-33DongLijuanLeiWuXiaMingzhuetal．Biodegradationofpolyvinylalcohol．ChinaBiotechnology200525728-33inChinese8．PVA．20072467-10LiChengxuanFanXuerongWangQiangetal．Effectsofpolyvinylalcoholindesizingwastewateranditsdegrada-tionperformance．TextileAuxiliaries20072467-10inChinese9．．20143015129-131LuCaixiaYangQinghuaBaiYunboetal．Pilot-scaletestonadvancedtreatmentofpetrochemicalwastewaterbycou-plingprocessofhighefficiencynitrifyingtankandcatalyticozoneoxidation．ChinaWater＆Wastewater20143015129-131inChinese10．PVA．2005312106-109GuＲunnanLinMiao．DeterminationofPVAcontentindesizingwastewater．JournalofDonghuaUniversityNatu-ralScience2005312106-109inChinese11．．200726158-61LiuWeihuaJiMinZhangXinetal．Thecatalyticozona-tionofrefractoryorganicsinlandfillleachate．Environmen-talChemistry200726158-61inChinese12．-．200561151-55ZhangYiMaJunHuBingetal．Multiphasecatalyticoxi-dationoforganicphosphoruswastewaterbyozone．Tech-niquesandEquipmentforEnvironmentalPollutionCon-trol200561151-55inChinese13ＲivasJ．ＲodríguezE．BeltránF．J．etal．Homogeneouscatalyzedozonationofsimazine．EffectofMnⅡandFeⅡ．JournalofEnvironmentalScienceandHealth2001363317-33014．．20122981-5XingXiaoqiongHuangChenglanLiuMinetal．Ｒesearchdevelopmentofwastewatertreatmenttechnologycontainingpolyvinylalcohol．TextileAuxiliaries20122981-5inChinese15．．201