改性高岭土处理含油废水的实验研究郑敏

-59-325Vol.32No.520099Non-MetallicMinesSeptember,2009Al2O3·2SiO2·2H2OSi-OAl-O[1~3]10mg/L[4~7]1.11100#1.2752NTHZ-320AnkeGL-12BGIX-9070MBEpHS-3CpH3%11015%30min2802h11050mL25mL20mL5mL5min250nm*35000712g/LpH6700~800mg/L30min99%X703;TD97A1000-8098(2009)05-0059-03ExperimentalStudyonTreatmentofOilyWastewaterbyModifiedKaolinZhengMinJinXiaoying*WangQingpingChenZuliang(CollegeofChemistryandMaterialsScienceFujianNormalUniversity,Fuzhou350007)AbstractThekaolinwasmodifiedbyAl2(SO4)3andactivatedcarbonwithhigh-temperaturecalcinations.Thepropertyofmodifiedkaolinforadsorboilywastewaterwasinvestigated.Theexperimentalresultsindicatethatwhenadsorbentdosageis12g/L,andthepHvalueis6undertheconditionsoftheroomtemperature,theadsorptioneffectsto700~800mg/Ldieselsolutionfor30minutesisbest.Todealingwithactualoilywastewater,theremovalrateofdieselbymodifiedkaolinisalsohigherthan99%.Keywordsmodifiedkaolinoilywastewateradsorb2009-06-182006F3040*[e-mail]-60-325200992.12.1.125mL100mg/L0.3g30250r/min11130min6.6mg/g40min40min2.1.225mL600mg/L30250r/min40min2224g/L12g/L76%99%12g/L2.1.325mL0.3g0.5g30250r/min40min333700~800mg/L47mg/gLangmuir[8]1/qe=1/qm+1/qmKLCeqemg/gCemg/Lqmmg/gKLLangmuirL/mg.Freundlich[8]qe=KFCe1/nqemg/gCemg/LKFnFreundlichLangmuirFreundlich314LangmuirFreundlichqmKLR2nKFR272.150.031900.97461.195012.63030.959941Langmuir[9]R20.97460.89FreundlichR20.9599Langmuir72.15mg/gFreundlichn12.1.4203040500.3g25mL600mg/L250r/min40min-61-3252009939mg/g2.1.5pHpHpH0.3g25mLpH600mg/L0.5g25mLpH100mg/L30250r/min40min5pH5pHpHpH6.2~6.8pHpH3pH2.7mg/g39mg/g2.22500mg/LpH7.612g/L99%20g/L62%pH6.81.,COCO2H2[10][11]2.30~40min12g/L700~800mg/LLangmuirFreundlichpH3.[1].[J].200813587-92.[2][J]199923031.[3].[J].200418(2)3-6.[4].[J].2007(5)399-401.[5].[J].200730(6)102-104.[6]BinGao,LiuyanYang,XiaorongWangetal..Influenceofmodifiedsoilsontheremovalofdieselfueloilfromwaterandthegrowthofoildegradationmicro-organism[J].Chemosphere41(2000)419–426.[7].[J].20082781155-1161.[8]AmudaO.S.GiwaA.A.BelloI.A.Removalofheavymetalfromindustrialwastewaterusingmodifiedactivatedcoconutshellcarbon[J].Biochemic.Engineering.Journal200736(2)174–181.[9]ZahirRawajfihNajwaNsour.Characteristicsofhenolandchlorinatedphenolssorptionontosurfactant-modifiedbentonite[J].JournalofCol-loidandInterfaceScience200629839-49.[10].[M].1994.[11].Cr()[J].20072361004-1008.