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当前位置:首页 > 商业/管理/HR > 市场营销 > 不同预处理方式对超滤膜深度处理印染废水效能影响的研究刘玲
INDUSTRIALWATER&WASTEWATERVol.41No.4Aug.,20101,2(1.,510640;2.,528000)2090,,。[1],,、、,,,。,、。,,,[2]。,、,:2010-03-15;:2010-04-29:,(、、)。,,,;0.1NTU;CODCr70%,,,。:;;;;;:X791.031:A:%1009-2455(2010)04-0024-03InfluencesofpretreatmentmethodsonadvancedtreatmentofprintinganddyeingwastewaterbyUFmembraneLIULing1,CHENShi-ming2(1.CollegeofEnvironmentalScienceandEngineering,SouthChinaUniversityofTechnology,Guangzhou510640,China;2.DepartmentofResourceandEnvironment,FoshanInstituteofScienceandTechnology,Foshan528000,China)Abstract:Takingthesecondaryeffluentfromaprintinganddyeingwastewatertreatmentstationastheexperimentalwater,theinfluencesofdifferentpreatmentmethods(sandfiltration,microflocculationandmicroflo-cculation-directfiltration)onUFmembraneperformanceandpollutantsremovalwereinvestigated.Theresultsshowedthat,alongwithtimepassing,sandfiltrationcausedirreversiblemembranefouling.Themembranefoulingconditioncouldberelievedbymicroflocculation,andbeimprovedbymicroflocculation-directfiltration.Alloftheabovepretreatmentmethodscouldensuretheeffluentturbiditylessthan0.1NTU,theremovalrateofCODCrbymicroflocculationdirectfiltrationwascloseto70%.Microflocculation-directfiltrationcouldeffectivelyrelievethemembranefouling,andhadgoodturbidityandorganicpollutantsremovalperformance,whichshoweditwasagoodpreatmentprocess.Keywords:microflocculation;microflocculation-directfiltration;sandfiltration;ultrafiltration;printinganddyeingwastewater;wastewaterreuse·24·,80%[3]。、SS,CODCr,。,,。,、、3。,。11.11。4:(A);-(B);-(C);-(D)。1.2,1。1.3。1300mm,90mm,100mm,10~32mm。,1.6mm,0.5~1.0mm,3%~4%,600mm,16m/h。。MODEC(PVC),0.9mm,10,60~160L/(m2·h)。3.58m2。,1.5m3/h,60min,10s,60L/min,1min,60L/min,10s,60L/min。,(PAC),1%,PAM0.1%。1.4CODCrWMX--A;QZ201;。22.1442。2,,,5,0.012MPa,,,,。,,,,。,。,1Tab.1QualityofthesecondaryeffluentfromaprintinganddyeingfactorypH/℃//NTUρ(CODCr)/(mg·L-1)7.5~8.5254010~1365~85 24Fig.2Influencesoffourdifferentprocessesontransmembranepressuregrowth123456/A/MPa0.0120.0100.0800.0600.0400.0200BCD,:·25·INDUSTRIALWATER&WASTEWATERVol.41No.4Aug.,2010,,。。2.22.2.143。3,4,,,。,,,,,,,,,。0.1NTU,99%。,、,,。2.2.2CODCr4CODCr4。4,CODCr20%,CODCr70%。,2:①,;②,,,[4]。CODCr65%,ξ,,,。,、。3(1),,;,,;,;。(2)99%,0.1NTU。(3)4,CODCr70%。(4),。,,。:[1],.[J].,2003,34(5):36-38.[2],,.-[J].,2002,18(4):78-79.[3]LenaJonson,ElzbietaPlaza.Experiencesofnitrogenandphospho-rusremovalindeepbedfiltersinthestockholmarea[J].WatSciTech,1997,36(1):190-193.[4],.[J].,2003,37(6):739-742.:(1985-),,,,,()378829531@163.com。44CODCrFig.4EffectsoffourdifferentprocessesonCODCrremovalACOD/%806040200BCD34Fig.3EffectsoffourdifferentprocessesonturbidityremovalA/NTU201612840BCD0.10.10.10.1·26·
本文标题:不同预处理方式对超滤膜深度处理印染废水效能影响的研究刘玲
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