化妆品废水ASBRSBR处理出水的芬顿氧化技术研究蓝俊宏

20149Sep．2014JOUＲNALOFSOUTHCHINANOＲMALUNIVEＲSITYNATUＲALSCIENCEEDITION465Vol．46No．52013－12－112012B030800002*[e-mail]．1000－5463201405－0092－05ASBＲ＆SBＲ*510006ASBＲ＆SBＲ．ASBＲ＆SBＲ－CODCr/H2O2=3/2、Fe2+/H2O2=1/2、pH3.0、t=5min．CODCr70%CODCr50mg/L．X703Adoi10．6054/j．jscnun．2014．06．035After-TreatmentofBiochemicalCosmeticWastewaterbyFentonTechnologyLanJunhongWuJianliangZengJianxinChengWen*FangZhanqiangGuangdongTechnologyＲesearchCenterforEcologicalManagementandＲemediationofUrbanWaterSystemSchoolofChemistryandEnvironmentSouthChinaNormalUniversityGuangzhou510006ChinaAbstractCosmeticwastewaterisarelativelyhighlyconcentratedorganicwastewaterwhichcontainsdifferentkindsofsurfactants．ThetechnologyofASBＲ＆SBＲakindofwastewaterbiochemicaltreatmentcaneffectivelyreducemostofcontaminantsinwastewater．Afterbiochemicaltreatmentcosmeticwastewaterstillcontainsrefracto-ryorganicswhichmakesthedischargewaterstillhavingaCODCrof130－170mg/L．ThereforethecosmeticwastewateronlytreatedbyASBＲ＆SBＲcannotmeetthedischargestandard．TheFentontechnologywasusedtotreatthedischargewaterofASBＲ＆SBＲ．BasedontestandanalysistheCODCrcanbereducedtolessthan50mg/Landtheremovalratecanreach70%undertheoptimizedprocessparameterswhichwereCODCr/H2O2=3/2Fe2+/H2O2=1/2pH=3.0t=5min．KeywordscosmeticwastewaterrefractoryorganicsFenton、、．CODCr－．ASBＲSBＲASBＲ＆SBＲ．ASBＲ＆SBＲCODCr《》DB44/26—20011．ASBＲ＆SBＲASBＲ＆SBＲ《》DB44/26—2001．2－43ASBＲ＆SBＲCODCr/H2O2、Fe2+/H2O2、pH、．11．1ASBＲ＆SBＲ1．1．2100mLCODCr150mg/LpH250mLFeSO4·7H2O30%H2O210%NaOHpH8.020min10minCODCr．1．2．1H2O210%pH3.0．30%H2O215、50、150、450、1500mg/LFe2+Fe2+H2O2=1∶120min．CODCr．1ASBＲ＆SBＲTable1TheeffluentqualityofASBＲ＆SBＲpHCODCr/mg·L－1BOD5/mg·L－1/mg·L－1SS/mg·L－1/ASBＲ＆SBＲ7．0～7．9130～17025～464～850～8010～606～9≤90≤20≤10≤60≤401．2．2Fe2+/H2O21Fe2+H2O210%pH3.0．30%H2O2150mg/LFe2+50、100、150、200、250mg/L20min．CODCr．2H2O2Fe2+H2O2Fe2+/H2O2CODCr/H2O2．10%pH3.030%H2O250、100、150、200、250mg/LFe2+50mg/L20minCODCr．1．2．3pH10%pH2.0、2.5、3.0、3.5、4.030%H2O2100mg/LFe2+50mg/L20minCODCr．1．2．410%pH3.030%H2O2100mg/LFe2+50mg/LCODCr．1．2．5Fe2+/H2O2、CODCr/H2O2H2O2pH10min10%NaOHpH8.020min10min20mLCODCr．1．35CODCrpHBOD5SS．22．1H2O2CODCrH2O215～1500mg/L1．H2O215mg/LCODCr33.3%1500mg/LCODCr84.0%．CODCr15～150mg/L．H2O2．1H2O2Figure1EffectsofH2O2dosageonCODCrremovalefficiencyofcosmeticwastewater395ASBＲ＆SBＲHO·6－9．H2O2HO·CODCr．H2O2CODCr10．H2O2H2O2Fe2+Fe3+Fe3+Fe2+Fe2+11－12CODCr．《》DB44/26—20011CODCr90mg/L1CODCrH2O2150mg/LH2O2150mg/L．2．2Fe2+/H2O22．2．1Fe2+H2O2CODCrFe2+50～150mg/L250mg/LCODCr63.0%150mg/LCODCr65.3%．250mg/LCODCr56.0%．2Fe2+Figure2EffectsofFe2+dosageonCODCrremovalefficiencyofcosmeticwastewaterCODCrFe2+Fe2+Fe2+HO·CODCr．Fe2+HO·HO·HO·HO·13－15．CODCrFe2+50mg/L．2．2．2H2O2Fe2+H2O250～100mg/LCODCr350mg/L63.3%100mg/L65.9%．H2O2CODCrH2O2250mg/L44.9%．132.1Fe2+/H2O22.2.2Fe2+/H2O2．Fe2+H2O2Fe2+/H2O2H2O2Fe2+Fe3+Fe3+Fe2+CODCr．3CODCrCODCrH2O2100mg/L．Fe2+/H2O21/2．CODCr/H2O23/2、Fe2+/H2O21/2．3H2O2Figure3EffectsofH2O2dosageonCODCrremovalefficiencyofcosmeticwastewater2．3pHpH2.0～3.0CODCrpH4．pH2.056.0%pH3.078.7%．pH3.0～4.0CODCrpHpH4.067.3%．2pH3.0～4.0pH2.9．24Fe2+HO·．pH3.0HO·2.9pH49467.0HO·1.912Fe2+．pH3.0．4pHFigure4EffectsofpHonCODCrremovalefficiencyofcosmeticwastewater2pHTable2ThechangesofpHbeforeandafterFentonreationpHFentonpH2．002．503．003．504．00FentonpH2．062．572．872．912．942．4CODCr5CODCr84%CODCr3mg/L．5min．5《》DB44/26—20011．t5min．2．564CODCr60%150LCODCr61%．《》DB44/26—2001．5Figure5EffectsofreactiontimeonCODCrremovalefficiencyofcosmeticwastewater6Figure6EffectsofvolumeofcosmeticwateronCODCrremovalefficiency2．6ASBＲ＆SBＲ-ASBＲ＆SBＲ-ASBＲ8～10h12500～13000mg/LSBＲ2～4h5500mg/L．Fe2+/H2O21/2、CODCr/H2O23/2、pH3.010min．3．3Table3TheanalysisofeffluentqualitypHCODCr/mg·L－1BOD5/mg·L－1/mg·L－1SS/mg·L－1/7．23460123069256160ASBＲ＆SBＲ7．0～7．9130～17025～464～850～8010～607．2～8．350～6012～163～530～5010～306～9≤90≤20≤10≤60≤40595ASBＲ＆SBＲ《》DB44/26－2001．2．7ASBＲ＆SBＲ-10m3/d2.6．ASBＲ＆SBＲ0.6kW10h0.83/kW·h0.44pH0.71．=+=0.25kWh+0.5kWh×0.8×10h/d×0.83/kWh+0.44+0.71/m3×10m3/d=16.49/d16.49/d÷10m3/d≈1.64/m33CODCr50mg/L．Fe2+/H2O21/2、CODCr/H2O23/2、pH3.05min．1.64/m3．1DB44/26－2001．S．2．－D．2013．JinJH．Studyonthebiochemical/Fenton'sreagentoxi-dationD．WuhanWuhanUniversityofTechnology2012．3MantzavinosDPsillakisE．Enhancementofbiodegradeabilityofindustrialwastewatersbychemicaloxidationpre-treatmentJ．JournalofChemicalTechnologyBiotechnol-ogy2004795431－454．4ChamarroEMarcoA．UsingofFentonreagenttoimproveorganicchemicalbiodegradeabilityJ．WaterＲesearch2001351047－1051．5《》．M．4．2002．6KremerMLSteinG．Thecatalyticdecompositionofhy-drogenperoxidebyferricperchlorateJ．TransactionsoftheFaradaySociety195955959－973．7KoppenolWH．ThecentennialoftheFentonreactionJ．FreeＲadicalBiologyandMedicine1993156645－651．8BarbWGBaxendaleJHGeorgePetal．ＲeactionsofferrousandferricionswithHydrogenperoxidePartⅡTheferricionreactionJ．TransactionsoftheFaradaySociety195147591－616．9．Fenton·OHJ．2009162314－16．DongPYanJBZhuangＲetal．StudyontheinfluencefactorsoftheproductivityofhydroxylradicalsinFenton'sreagentJ．ChemicalEngineer2009162314－16．10WallingCGoosenA．Mechanismoftheferricioncata-lyzeddecompositionofhydrogenperoxideEffectofor-g