Fenton氧化法对制药废水的预处理研究尹国勋

Fenton454000＊FentonpH、H2O2、FeSO4、COD．pH1H2O230%0.25mL833mg/LFeSO4·7H2O0.3mol/L1mL834mg/L90minCOD21.97%PACCOD7.9%．Fenton．FentonPACX703A1673-9787201106-0735-05StudyonpretreatmentofpharmaceuticalwastewaterbyfentonoxidationYINGuo-xunLIHuiLICheng-jieSchoolofSource＆EnvironmentHenanPolytechnicUniversityJiaozuo454000HenanChinaAbstractInordertoimprovethebiodegradabilityofpharmaceuticalwastewaterFentonoxidationhasbeenemployedtopretreatit．ThefactorshavingeffectsonCODremovalsuchaspHH2O2dosageFeSO4dosageandreactiontimewerediscussed．TheoptimisticconditionswereshownasfollowspHis1thereactiontimeis90minthedosageofH2O230%andFeSO40.3mol/Lare0.25mLabout833mg/Land1mLabout834mg/Lrespectively．IntheseconditionstheremovalefficiencyofCODis21.97%．UsePACascoagulantandmixtheexperimentofcongealingtothiswastewateritsremovalefficiencyofCODisonly7.9%．ComparedthetwotheeffectiveofFentonoxidationisbetter．Itcanbeusedaspre-treatmentofbio-logicaltreatment．KeywordspharmaceuticalwastewaterFentonoxidationPACpretreatment0．、、、、1．2．Fenton1932060306201112JOURNALOFHENANPOLYTECHNICUNIVERSITYNATURALSCIENCEVol．30No．6Dec．2011＊2011-09-081953—[e-mail]:10.16186/j.cnki.1673-9787.2011.06.016HO·CO2H2OHO·2.8eV4-5．、、．Fenton6-7COD．FentonCOD．PACFenton．11.1．1．1Tab.1WaterqualityofpharmaceuticalwastewaterpHCOD/mg·L－1BOD5/mg·L－1/mg·L－1SS/mg·L－1/℃5.722663.3350056.0180201.21．COD、、、、、、、、PHS－3C、、101．2．30%H2O21.11g/cm3FeSO4·7H2OH2SO4NaOH－．1.31Fenton8．①100mLpH②FeSO4·7H2O③30%H2O2④NaOHpH8～9COD．2．①PAC5%②PAM0.1%～0.15%③400mL④COD．1.4CODpHPHS－3C．22.1FentonFentonpH、H2O2、、、9．H2O2、Fe2+、、pH4．2、3．6372011302Tab.2FactorleveloforthogonalexperimentAH2O2/mLBFe2+/mLC/minDpH0.250.253010.500.506030.750.759051.001.0012073Tab.3ResultsoforthogonalexperimentABCDCOD/mg·L－1COD/%1111118875.216.712122219593.613.543133320122.711.214144419724.212.975212320246.710.666221420573.39.227234119397.714.418243219798.212.649313420122.711.2110324321030.57.2011331221030.57.2012342118613.917.8713414222663.3014423118499.918.3715432421095.86.9216441319920.212.10－－－－22663.3－K1j/%54.4338.5845.2367.36－－K2j/%46.9348.3348.9933.38－－K3j/%43.4839.7453.4341.17－－K4j/%37.3955.5834.5840.32－－MaxK/%54.4355.5853.4367.36－－R17.041718.8533.98－－A1B4C3D1－－2、3H2O20.25mL833mg/L、Fe2+1mL834mg/L、90min、pH1pHH2O2Fe2+．pH．2.2FentonCOD2.2.1pHCOD30%H2O20.25mL0.3mol/LFeSO4·7H2O1mL90minpHpHCOD1．1pH1FentonCOD7376Fenton22.67%．pH1pHFe-ntonCOD．pHH2O2COD10．pH1．2.2.2COD30%H2O20.25mL0.3mol/LFeSO4·7H2O1mLpH1COD2．2COD90minCOD24.10%．90minCOD．90min．2.2.3H2O2COD0.3mol/LFeSO4·7H2O1mLpH190minH2O2H2O2COD3．3CODH2O2H2O20.25mL833mg/LCOD21.97%．H2O2COD．H2O20.25mL．2.2.4FeSO4CODH2O20.25mLpH190minFeSO4·7H2OFeSO4·7H2OCOD4．4FeSO4COD1mL834mg/L21.97%1mLCOD．FeSO41mL．2.39CODCOD7.9%7mLPAC+1mLPAM．8372011303FentonCODpH＞＞H2O2＞FeSO490minpH1H2O20.25mL833mg/LFeSO41mL834mg/LCOD21.97%．PACCOD7.9%．Fenton．1．ABR-EGSB-SBRJ．2006291280-81．2．J．200121101-4．3WALLINGC．Fenton＇sreagentrevisitedJ．AccChemRes197584125-131．4NEYENSEBAEYENSJ．AreviewofclassicFenton＇speroxidationasanadvancedoxidationtechniqueJ．JournalofHazardousMaterials200398233-50．5．FentonJ．20082951271-1275．6．FentonJ．200831388-90．7AHMADIMVAHABZADEHFBONAKDARPOURBetal．ApplicationofthecentralcompositedesignandresponsesurfacemethodologytotheadvancedtreatmentofoliveoilprocessingwastewaterusingFenton＇speroxidationJ．HazardMater20051231/2187-195．8．Fenton-J．2003423440-443．9．M．200650-55．10．Fenton-J．200827638-41．9376Fenton