您好,欢迎访问三七文档
当前位置:首页 > 商业/管理/HR > 质量控制/管理 > 海水淡化过程中的超滤预处理中试研究尚明华
PilotstudyofseawaterdesalinizationpretreatmentbyultrafiltrationShangMinghua,WangDuo,GaoXueli,ChengHuaigang(CollegeofChemistry&ChemicalEngineering,OceanUniversityofChina,Qingdao266100,China),,,(,266100)[],,。,UF-UF-,,(SDI15)。UF-UF-,SDI152.0,100%。[];;;[]P747;TQ085+.41[]A[]1005-829X(2009)10-0018-04Abstract:Ultrafiltrationasanewseawaterdesalinizationpretreatmenttechniquehasbeenwidelyconcernedinrecentyearsandappliedinpractice.ThepilottesthasbeencarriedoutatJiaozhouBaybydead-endultrafiltrationtechnique.Duringpilottesting,thebestoperationparametersandtheremovaleffectofturbidityareinvestigatedbyusingUF-andUF-hollowfiberUFmembranes.ThepermeatefluxandSDI15oftheultrafiltrationsystemwiththetimechangesareanalyzed.ItisfoundthattheperformanceofUF-membraneisbetterthanUF-membrane,andtheSDI15ofeffluentisabout2.0,andtheremovalrateofturbidityis100%.Keywords:dead-endultrafiltration;seawaterpretreatment;turbidity;SDI15[]863(2006AA09Z337);(2007GG10005001)(RO),。,、、〔1〕,,,,。、、、pH、、〔2〕。,〔3〕。〔4〕。2090,(IMS)〔5-7〕,、。IMS、、,。-,。11.1,,1。2910200910IndustrialWaterTreatmentVol.29No.10Oct.,200918——2009-10,29(10),,;。(MWCO)80000u(,UF-)20000u(,UF-),。1.2SDIMilliporeR1000-8G-NTSDI;H293703-11。1.31。1,、,COD0.8mg/L、SDI153、0.1NTU,。,2。2,。,,SDI15。,,,,SDI153660L/h,2。22.1SDI15。,(),,100%。SDI153。3,,UF-SDI152.0,UF-SDI151.5,SDI153。,UF-IUF-、SDI15。4。4,UF-,UF-UF-。,UF-1300L/h900L/h,30.77%,UF-1pHTDS/(mg·L-1)/NTUSDI15/(mmol·L-1)COD/(mg·L-1)7.5~8.5440006~50114.78.02/MPa/min/s/MPaUF-0.0830450.08UF-0.1030450.09,:19——2009-10,29(10)980L/h600L/h,38.78%,UF-UF-。UF-。2.260d5~7。5,5UF-7UF-6UF-SDI153UF-:a、b、c、d5a、b、c、d。/(L·h-1)/%0.1%HCl1h,2h1450970102070.34(a)0.5%NaOH+200mg/LNaClO1h,2h;0.1%HCl1h,2h1450880135093.10(b)0.5%NaOH1h,2h14501000117080.69(c)0.5%NaOH+200mg/LNaClO1h,2h1450900140096.55(d)0.5%NaOH+200mg/LNaClO1h,2h;0.1%HCl1h,2h14501055140096.55,40%,,5a、b、c、d4,,。6,(60d),SDI15,,。,7,,95%。,。2.3,,。4,UF-。,。,3。3,。bc,NaClO,〔8〕,,。,:0.5%NaOH+200mg/LNaClO1h,2h,96.55%。3(1),UF-UF-100%,SDI152.01.5,。。(2),UF-,:0.08MPa,30min,45s,0.08MPa。(3),,。,95%,。(4):0.5%NaOH+200mg/LNaClO1h,2h,96.55%。[][1]WilfM,KlinkoK.Effectivenewpretreatmentforseawaterreverseosmosissystems[J].Desalination,1998,117(1/2/3):323-331.[2]GallowayM,MahoneyJ.Ultrafiltrationforseawaterreverseosmosispretreatment[J].MembraneTechnology,2004(1):5-8.[3]ChuaKT,HawladerMNA,MalekA.Pretreatmentofseawater:ResultsofpilottrialsinSingapore[J].Desalination,2003,159(3):225-243.[4]TengCK,HawladerMNA,MalekA.Anexperimentwithdifferentpretreatmentmethods[J].Desalination,2003,156(1/2/3):51-58.20——StudyonthetreatmentofslaughteringwastewaterwithammoniummolybdatemodifiedbentoniteShaoHong,ChengHui,ShaoShuang,ZhuangXinhe(CollegeofEnvironmentalandBiologicalEngineering,ShenyangInstituteofChemicalTechnology,Shenyang110142,China),,,(,110142)[],,。:15g/L、pH=5、10min、10min,COD90%,。[];;[]X703.1[]A[]1005-829X(2009)10-0021-03Abstract:Ammoniummolybdateinorganicmodifiedbentonitehasbeenpreparedbyusingammoniummolybdateasmodifyingagent,modifyingnaturalbentonite.Itisusedfortreatingslaughteringwastewater.Theoptimizedconditionsforwastewatertreatmentareasfollows:thedosageofammoniummolybdatemodifiedbentoniteis15g/L,pHis5,stirringtimeandcentrifugationtimeare10minrespectively.ItsmaximalremovalefficiencyofCODis90%,reachingthepredictedtarget.Keywords:ammoniummolybdate;bentonite;slaughteringwastewater[](20061005),6%〔1〕。,,、,,〔2〕。,,,、、、,。,〔3-5〕,、,。———,,,,,,[5]MurrerJ,RosbergR.DesaltingofseawaterusingUFandRO,resultsofapilotstudy[J].Desalination,1998,118(1/2/3):1-4.[6]TakeshiM.Progressinmembranescienceandtechnologyforseawaterdesalinationareview[J].Desalination,2001,134(1/2/3):47-54.[7]RedondoJA.Brackishseaandwastewaterdesalination[J].Desalination,2001,138(1/2/3):29-40.[8]CrozesG,AnselmeC,MallevialleJ.Effectofadsorptionoforganicmatteronfoulingofultrafiltrationmembranes[J].JournalofMembraneScienee,1993,84(1/2):61-77.[](1982—),2009,。:15954889984,E-mail:smh0326@ton.com。[]2009-06-20()!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!2910200910IndustrialWaterTreatmentVol.29No.10Oct.,200921——
本文标题:海水淡化过程中的超滤预处理中试研究尚明华
链接地址:https://www.777doc.com/doc-6568129 .html