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-mail]*[e-mail]dsorptionofFoulantsＲesponsibleforIrreversibleFoulingDuringUltrafiltrationofDongjiangＲiverWaterYANGHai-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．MatlabＲ2010bMathworks．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