超滤纳滤双膜工艺深度净化饮用水效能试验研究赵伟业

494()Vol.49No.420184JournalofCentralSouthUniversity(ScienceandTechnology)April2018DOI:10.11817/j.issn.1672−7207.2018.04.033−1112223(1.北京工业大学建筑工程学院，北京，100124；2.哈尔滨工业大学环境学院，黑龙江哈尔滨，150090；3.杭州天创环境科技股份有限公司，浙江杭州，311121)−(UF−NF)UF−NFUF−NFUF−NF98.73%~99.07%99.58%~99.75%3.060μg/L1.792μg/L99.22%~99.34%99.16%~99.34%0.025mg/L0.201μg/LUF−NFGB57492006TU991A1672−7207(2018)04−1018−07ExperimentalstudyonadvancedpurificationofdrinkingwaterbyUF−NFmembraneprocessZHAOWeiye1,LIXing1,YANGYanling1,ZHUXuewu2,LIANGHeng2,LIGuibai2,ZHAOJingwei3(1.CollegeofArchitectureandCivilEngineering,BeijingUniversityofTechnology,Beijing100124,China;2.SchoolofEnvironment,HarbinInstituteofTechnology,Harbin150090,China;3.HangzhouTianchuangEnvironmentalTechnologyCo.Ltd.,Hangzhou311121,China)Abstract:TheUF−NFmembraneprocesswasusedtostudytheremovalefficiencyofvariouspollutantsinadvancedpurificationoffiltratedwaterinwaterworks.TheresultsshowthattheUF−NFmembranehasgoodremovalefficiencyofvariousindexesandfluorescentsubstance.Ultrafiltrationprocesscanfullyguaranteethestableoperationofnanofiltrationmembraneprocess.Theremovalratesofbenzeneandstyrenearefrom98.73%to99.07%and99.58%to99.75%,andtheaveragevaluesofeffluentare3.060μg/Land1.792μg/L.Theremovalratesofheavymetalzincandcadmiumarefrom99.22%to99.34%and99.16%to99.34%,andtheaveragevaluesofeffluentare0.025mg/Land0.201μg/L.Thecontentsofconstantsofpollutants,traceorganic,heavymetalcompoundsareaccordedwithGB57492006“standardsfordrinkingwaterquality”.Thedrinkingwaterqualityhasbeenimprovedsignificantly,andthesafetyofresidentsdrinkingwaterhasbeenenhancedandguaranteed.Keywords:highqualitydrinkingwater;advancedpurification;ultrafiltration;nanofiltration;UF−NFmembraneprocess 2017−04−292017−06−22(Foundationitem)(2012ZX07404-0032014ZX07406002)(MH20140462)(Projects(2012ZX07404-003,2014ZX07406002)supportedbyNationalWaterPollutionControlandTreatmentScienceandTechnologyMajorProject;Project(MH20140462)supportedbyHangzhouTianchuangEnvironmentalTechnologyCo.Ltd.)[e-mail]4−1019 13.46km32240%[1][2]600[3][4−5]GB57492006[6][7](MF)(UF)(NF)(RO)[8]−(UF−NF)200~1000[9]UF−NFUF−NF(TDS)CODMnUF−NF11.1UF−NFUF−NF11进水水质参数Table1Waterqualityparametersofsourcewater/19.6~25.223.7/NTU0.066~0.1150.089pH7.32~7.437.38ρ(CODMn)/(mg·L−1)1.136~1.3761.261/cm−10.023~0.0330.028ρ(TDS)/(mg·L−1)159.5~179.3168.8/(μS·cm−1)221.49~268.57242.70(PVDF)0.03μm0.70mm1.30mm44m2288m235~40L/(m2·h)45min30s35L/(m2·h)75L/(m2·h)24h98.5%7.6m220098%404.1MPapH3~101.20.5MPa20%~25%UF−NFUF−NF5μm()4910201UF−NF()()1234565μm1试验装置流程图Fig.1Schematicdiagramofequipmentprocess1.3HACH2100NpHPB−10pHTDSFE30(UV254)SPECORDS100−0.45μmCODMn(EEM)F−4500SO42−NO3−Cl−ISC−21007890B−5977A−/AAS−ice−350022.1TDSNO3−SO42−UF−NF22TDSNO3−159.5~179.345.4~57.82.69~3.15mg/L168.851.563.15mg/L159.4~178.844.2~56.52.65~3.14mg/L168.550.783.14mg/LTDSTDSNO3−5.50~6.841.5~3.10.32~0.52mg/L6.092.220.43mg/L96.20%95.61%86.44%UF−NF[10][11]TDSNO3−96.39%95.68%86.47%GB5749200623.72~4.760.066~0.115NTU4.432常规指标去除效果Table2RemovalefficiencyofconventionalindexinUF−NFprocessUFNF/%3.72~4.762.57~3.11/NTU0.066~0.1150.041~0.0540.037~0.04643.42~64.29ρ(TDS)/(mg·L−1)159.5~179.3159.4~178.85.50~6.8495.85~96.71/(mg·L−1)45.4~57.844.2~56.51.5~3.194.19~96.70ρ(SO42−)/(mg·L−1)17.4~23.117.3~230.59~0.7196.44~97.46ρ(Cl−)/(mg·L−1)10.2~12.410.2~13.40.43~0.5995.26~96.24ρ(NO3−)/(mg·L−1)2.69~3.152.65~3.140.32~0.5284.26~88.414−10210.089NTU2.57~3.110.041~0.054NTU2.750.048NTU0.5MPa19.6~25.247.37~49.74L/(m2·h)2.2CODMnUV254UF−NF2CODMn1.136~1.376mg/L1.261mg/L1.064~1.344mg/L0.217~0.404mg/L1.186mg/L0.325mg/LCODMn5.91%[12]UF−NFCODMn74.24%CODMn[13−14]UF−NFCODMn0.217~0.404mg/L0.325mg/L2UF−NFUV2542UF−NF双膜工艺对常量有机物的去除效果Fig.2RemovalefficiencyofconstantsorganicsinUF−NFprocessCODMnUV2540.023~0.033cm−10.028cm−1UV2540.021~0.032cm−10.001~0.004cm−10.027cm−10.003cm−1CODMnUV2545.78%UF−NF91.08%UV254THMs[15]UF−NFUV2540.001~0.004cm−12.3[16][17−18]ACT1T2UF−NF33(a)ACT1ACT1ACT11.11%4.60%7.88%3(c)ACT195.79%94.49%50.04%2.4UF−NF4247.82~293.89μg/L449.09~573.04μg/L172.08~204.87μg/L272.89~379.58μg/L21.85%~35.47%33.76%~43.72%98.07%~98.81%99.32%~99.63%()491022(a)(b)(c)3各工艺出水荧光光谱Fig.3FluorescenceEEMspectraofvariouseffluent[19][20]498.73%~99.07%99.58%~99.75%2.45~3.72μg/L1.42~2.28μg/LGB5749200610μg/L20μg/LUF−NF(a)(b)4UF−NF双膜工艺对微量有机物的去除效果Fig.4RemovalefficiencyoftraceorganicinUF−NFprocess2.5UF−NF53.19~3.97mg/L24.93~29.77μg/L3.47mg/L27.18μg/L3.01~3.72mg/L23.17~28.82μg/L3.25mg/L25.62μg/L4.75%~8.31%2.75%~9.68%6.34%5.37%5UF−NF99.17%~99.30%99.10%~99.32%99.25%99.22%[21]UF−NF99.22%~99.34%99.16%~99.34%99.30%99.26%0.021~0.031mg/L0.17~0.25μg/L4−1023GB574920061.0mg/L5.0μg/LUF−NF(a)Zn(b)Cd5UF−NF双膜工艺对重金属的去除效果Fig.5RemovalefficiencyofheavymetalsinUF−NFprocess31)UF−NFUF−NFTDSCODMnUV254NO3−51.78%96.39%74.24%91.08%95.68%86.47%0.042NTU6.09mg/L0.325mg/L0.003cm−12.22mg/L0.43mg/L2)UF−NFUF−NF99%98%0.025mg/L0.201μg/L3.060μg/L1.792μg/LGB574920063)UF−NF247.37~49.74L/(m2·h)[1],.[J].(),2009,14(Z1):167−170.LIUDonghua,LIUMao.Researchprogressonriskanalysisandemergencymanagementofsuddenwaterpollutionaccidents[J].ChinaP