超声类Fenton法预处理焦化废水影响因素的研究陈润锋

286Vol．28No．6201812JournalofGuangdongUniversityofPetrochemicalTechnologyDecember2018－Fenton525000－FentonpH、Fe3O4、H2O2COD。pH3．0Fe3O41．0g/LH2O230%1．0mL/L490W120min。COD70%。－FentonCODX703．1A2095－2562201806－0022－04、、。、1。O3、Fe/C、、Fenton23。O3Fe/CFenton、4－6。FentonFe3+Fe2+Fe3O4FeSO4Fe3O478。USFe3O4。USFe3O4Fenton－FentonUS/Fe3O4－H2O2COD。11．1。pH9COD10。COD60℃30minH2O2。COD2012mg/LpH8。1．2Fe3O4Fe3O4FeSO4·7H2OFeCl3·6H2O2．0mol/LnFe2+∶nFe3+=1∶21．0mol/LNH3·H2O50mL10minFe3O4Fe3O4。2018－09－072018－10－172017pyA0182017116560291995—。1981—。1．3H2SO4pHFe3O430%H2O225℃120minpH、Fe3O4、H2O2、Fe3O4COD。Fe3O4COD。22．1pHCODFe3O41．0g/LH2O21．0mL/L490W120minpH1．02．03．04．05．06．07．0COD1。1pH3COD69．76%pH＜3pHCODpHH+H+·OHH2OpH＞3CODpH1pHCODpHH2O2H2OO211。2．2Fe3O4CODpH3．0490WH2O21．0mL/L120minFe3O40．10．30．51．01．52．02．5g/LCOD2。Fe3O4＜1．0g/LCODFe3O412H2O2·OHFe3O4≥1．0g/LCOD70%2Fe3O4CODFe3O4·OH·OH。2．3H2O2CODpH3．0Fe3O41．0g/L490W120minH2O20．10．30．51．01．52．02．5mL/LCOD。3H2O21．0mL/LCODH2O2＜1．0mL/LCODH2O2H2O2·OHCODH2O2＞1．0mL/L3H2O2CODH2O2CODH2O2·OH13。326－Fenton2．4CODpH3．0Fe3O41．0g/LH2O21．0mL/L120min280350490560630700WCOD。4＜490WCOD≥490WCOD。4COD1415。2．5Fe3O4CODpH3．0Fe3O41．0g/LH2O21．0mL/L490W120min。Fe3O41～5COD。5Fe3O4COD。。5Fe3O4COD3－FentonUS/Fe3O4－H2O2pH、Fe3O4、H2O2、COD。pH3．0Fe3O41．0g/LH2O21．0mL/L490W。120minCOD70%。Fe3O4COD。1．J．201815－9．2．FentonCODJ．2017327－30．3BOKAＲEADCHOIWY．ＲeviewofIron－freeFenton－likeSystemsforActivatingH2O2inAdvancedOxidationProcessesJ．JournalofHazardousMaterials20142121－135．4．FentonJ．2008127－30．5．FentonJ．2010393－95．6．J．2014230－33．7．Fe3O4－FentonD．2014．8．Fe3O4/FentonMBJ．201831075－1081．9．GB/T6920—1986pHS．1986．10．HJ828—2017S．2017．11ZHANGJBZHUANGJGAOLZetal．DecomposingPhenolbytheHiddenTalentofFerromagneticNanoparticlesJ．422018Chemosphere200891524－1528．12．J．2017184－88．13．Fe2+/H2O2NOJ．20151449－454．14．/FentonJ．20084446－449．15．J．201741－6．ＲesearchonInfluencingFactorsofUltrasoundFenton－likeMethodforPretreatingCokingWastewaterCHENＲunfengWANGChunchunYANGZhigangLUOZeweiGUYahuiPANJunhongYINXudongCollegeofEnvironmentalandBiologicalEngineeringGuangdongUniversityofPetrochemicalTechnologyMaoming525000ChinaAbstractToinvestigatetheinfluencefactorsintheUS/Fe3O4－H2O2Fenton－likeoxidationprocessforcokingwastewaterpretreat-menttheinfluenceofinitialpHvalueFe3O4dosageH2O2dosageandultrasoundpowerareinvestigated．Theexperimentalresultsshowa70%CODremovalefficiencyinabout120min．undertheoptimumconditionsthattheinitialpHvalueis3．0theFe3O4dosageis1．0g/LtheH2O2dosageis1．0mL/Landtheultrasoundpoweris490W．KeywordsUS/Fe3O4－H2O2Fenton－likemethodCokingwastewaterCODremovalefficiency18StudyonSynthesisofN－butylFerulicAcidLIANGHongdongGEYaliCollegeofChemicalEngineeringGuangdongUniversityofPetrochemicalTechnologyMaoming525000ChinaAbstractN－butylferulicacidissynthesizedfromferulicacidandn－butanolbyp－toluenesulfonicacid．Theeffectofsomefac-torsonthereactionisinvestigatedsuchastheeffectsoftheratioofthemolarratiotheamountofcatalysttheesterificationreac-tiontimeandtheamountofwateragent．TheexperimentalresultsshowthattheoptimumconditionsforthesynthesisofN－butylfer-ulicacidareasfollowsnferulicacid∶nn－butanol=1∶5thecatalystmassis10%offerulicacidmasstimeforrefluxreactionis3hthedosageofcyclohexaneaswateris5mL．InthisconditiontheyieldoftheN－butylferulicacidis79．33%．KeywordsN－butylferulicacidP－toluenesulfonicacidCatalyticsynthesis526－Fenton