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当前位置:首页 > 商业/管理/HR > 公司方案 > 超滤处理东江水不可逆膜污染物的识别和活性炭对其吸附去除杨海燕
38420174ENVIRONMENTALSCIENCEVol.38No.4Apr.20171232112212*1.5180212.1500903.2660336-EEM-PARAFAC.EEM-PARAFAC2C1C31C2C2.3C254.0%~74.6%.C2C1C3BET.-.X131A0250-3301201704-1460-07DOI10.13227/j.hjkx.2016090132016-09-012016-10-202015M5814531986~E-mailkarenyanghe@sina.com*E-mailliguibai@vip.163.comIdentificationandPACAdsorptionofFoulantsResponsibleforIrreversibleFoulingDuringUltrafiltrationofDongjiangRiverWaterYANGHai-yan12WANGCan3YANZhong-sen2LIDong-ping1ZHAOYan1QUFang-shu2LIANGHeng2XUYe-qin1LIGui-bai2*1.GuangdongGDHWaterCo.Ltd.Shenzhen518021China2.SchoolofEnvironmentalandMunicipalEngineeringHarbinInstituteofTechnologyHarbin150090China3.SchoolofEnvironmentalandMunicipalEngineeringQingdaoUniversityofTechnologyQingdao266033ChinaAbstractFoulantsresponsibleforhydraulicirreversiblefoulinginDongjiangRiverwaterwereidentifiedbyultrafiltrationprocessandtheirremovalbypowderedactivatedcarbonPACadsorptiontreatmentwasinvestigatedusingfluorescentexcitationemissionmatrixandparallelfactoranalysisEEM-PARAFAC.AcorrelationanalysiswasthencarriedoutforsamplesbetweenthemaximumfluorescenceintensitiesFmaxofthreePARAFACcomponentsafterPACadsorptionandthesurfacepropertiesofcorrespondingPACsamples.Theresultsshowedthattwohumic-likeC1andC3andonetryptophan-likefluorescentcomponentswereobtainedthroughPARAFACanalysisinwhichtryptophan-likecomponentC2wasfoundtobethemainsubstanceinhydraulicirreversiblefoulantsextractedfromfouledmembrane.FurthermoretheresultsofcorrelationanalysissuggestedthatmicrosporeareaofPACcorrelatedwithPACadsorptionoftryptophan-likefluorescentcomponentswhichplayedanimportantroleinirreversiblefouling.BothBETandmesopore+macroporeareaofPACcorrelatedwithitsadsorptionofhumic-likefluorescentcomponents.TheresultprovidedsupportforselectingPACinPAC-ultrafiltrationhybridprocesswhichwouldbemoreeffectiveforfoulingcontrol.Keywordsparallelfactoranalysisirreversiblefoulantsactivatedcarbonadsorptionnaturalorganicmatter、、12.34.5.5~8.4..9~1112~14.9.-.11.1.pH6.9~7.527.4~33.1℃4.5~33.2NTUUV2540.029~0.056cm-11.7~3.2mg·L-10.15~0.50mg·L-1.1.26.1.100~200105℃.NOVAtouchTM77KBrunauer-Emmett-TellerBET1Table1PropertiesofPACsamplesprovidedbymanufacturers/mg·g-1/mg·g-1/%A800157.54B9001951C60064.52Norit11002402N110862111.8N28051051.5densityfunctionaltheoryDFT.50mg·L-1100mLDDHZ-3001h25℃0.45μmDOC、UV254.1.3DOC、UV254DOC0.45μmmultiN/CUVHSTOCUV254WFZUV-2102C.EEMF7000.0.45μmpH1cmEx220~450nm5nmEm250~550nm1nm5nm2400nm·min-1.EEMRamanscatter.1Fig.1Schematicdiagramofmembraneultrafiltrationunit1.4-parallelfactoranalysisPARAFAC15.PARAFACEEM1617.MatlabR2010bMathworks.PARAFACStedmon18DOMFluor、EEM-PARAFACFmaxR.U.18.1.51164138.PVC0.01μm/1.1/1.7mm40cm23.15cm2.35L·m2·h-11h1min70L·m2·h-10.67m3·m2·h-1.15.0.01mol·L-1NaOH12hpHDOC、UV254EEM.22.1PARAFA32C1Ex/Em255320/440nmC2270~275/324nmC3<240295/380~382nm2C1C31.PARAFAC1619~22/、2.C1ⅢAⅤM162123.C22022.C320.Fmax2Fig.2ContourplotsofthreefluorescentcomponentsinDongjiangRiverwaterextractedfromPARAFACmodel23Table2SpectralcharacteristicsanddescriptionofthreecomponentsidentifiedEx/Em1/C1255320/4401240310/400~450163<240-260295~380/374-450212/C2275/3241275/330227270/306203/C3<240295/3823<240-260295~380/374~45021<260305/3781926414.C1~C3Fmax0.871±0.012、0.640±0.0750.599±0.031R.U.C1.2.2.SUVA2.37±0.26、2.60±0.591.34±0.26L·mg·m-1SUVA.FmaxFmax.3C1、C2P<0.05.C2>50%C1C321.8±1.6%23.2±5.1%..Shao16.2.32.3.163.1h6DOC.3UV254DOCUV254、.2425.SUVA.3FmaxFig.3PercentagesofthreecomponentsFmaxofthefeedpermeateandwashingsolutions、.6DOC22.1%N251.8%NoritDOCNorit>B>A>N1>C>N2A、N1、CP>0.05.UV254DOCN2A、N1、CP>0.05.NoritDOCUV254.31Table3RemovalofdissolvedorganicmatterinDongjiangRiverwaterbydifferentactivatedcarbonsDOC/%UV254/%SUVA/L·mg·m-1——2.37±0.26aA36.1±4.5c55.2±11.3bc1.56±0.29bB43.0±0.9b63.8±13.8b1.41±0.47bC32.3±4.5c47.5±13.0bc1.54±0.46bNorit51.8±1.7a80.6±5.6a0.855±0.252cN135.0±2.4c51.1±13.2bc1.68±0.43bN222.1±7.2d39.9±3.9c1.91±0.18b15%Games-HowellS-K-N2.3.2Fmax.4Fmax364138C3C1C2.6C188.9%Norit46.2%CC274.6%Norit54.0%CC389.1%B69.5%N2.ANOVA3P<0.05.6C1C3FmaxC1FmaxP<0.05C3BNorit、AN1C1C3C1.C2Norit<B<N1<A<N2<CCC3N2AC3N1.3.2.3.362426.6BET、+DOC.4DOC、UV254、Fmax.4DOC、UV254、Fmax1Table4PearsoncorrelationmatrixofDOCconcentrationUV254FmaxofthethreePARAFACcomponentsandsurfaceporestructureofactivatedcarbonsamplesC1C2C3DOCUV254SBETSmicroSmesoC11.000.899*0.976**0.986**0.986**-0.981**-0.903*-0.896*C21.000.955*0.884*0.867-0.841-0.927*-0.611C31.000.955*0.940*-0.961**-0.968**-0.791DOC1.000.997**-0.951*-0.853-0.891*UV2541.00-0.948*-0.830-0.909*SBET1.000.919*0.914*Smicro1.000.680Smeso1.001*0.05**0.01C1、C3FmaxUV254C1C3.C2UV254DOCC1、C2DOC.Shao16DOCDOM.DOCUV254BETSBETP<0.05SBET.Smicro+SmesoDOCUV254Smeso.DOCUV254NoritSBETBN1Smeso5..Li9.C2FmaxSmicroC2464145%Games-HowellS-K-N4FmaxFig.4TheFmaxofPARAFACcomponentsofDongjiangRiverwaterwithoutandwithdifferentactivatedcarbonadsorptiontreatmentsC2.14.C1C3FmaxSBETR2>0.92C1FmaxSmicroSmesoC3FmaxSmicro.14..C2...--、-.31EEM-PARAFAC32C1C31C2.2C2>50%C1C3.36DOC、UV2543P<0.05NoritC274.6%.4C1C3BET、C2.5.1.J.201036811-15.LiGBTianJYQiL.Thethirdgenerationofurbandrinkingwatertreatmen
本文标题:超滤处理东江水不可逆膜污染物的识别和活性炭对其吸附去除杨海燕
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