CM大表面积块片式陶瓷超滤膜在化工废水深度处理中的应用付江涛

PVC、。2。。、CM。11.1130m3/h1。1、、、、。GB50335－2002。、+、、、、CODGB50335－2002。1.2、、、。、、COD、、。1Tab.1Qualityofwastewater/NTUpH/(μS·cm-1)COD/(mg·L-1)ρ/(mg·L-1)+CaCO3≤0.1≤1000≤0.9≤250≤30≤10≤10≤5Cu2+Cl-Ba2+SO42-SiO2NH3-N≤1006.8～9.5≤8000≤100≤800≤2.0112311.4300812.2000413.200433+++CM+。60dCMSDI151.1～1.60.01～0.03NTU44kPa67kPa。CM。GB50335－2002“”。CM-131。CM-131、、。CM、、、、、、SDI、。CMSDI15X78A1000-3770(2017)[e-mail]43420174Vol.43No.4Apr.,2017DOI:10.16796/j.cnki.1000-3770.2017.04.02186COD。+++。。1.3CM-[1-3]、、、。。CM。1.3.1CM、CMAl2O3αα-Al2O330nm。CM-1311580mm275mm214mm19.0m2。30mm1016mm0.2m219220mm3.8m2[4]。CM-1314。CM-131。30nm13μm。CM。PVDF/PES/PVC/PP。0.002～0.1μm。1.3.2CMCMCM。2。2CM、、、、、。、、、、。1.3.3CMCM22。CM-1314020760m2。4.1m×5.1m。130m3/h162.5L/(m2·h)。3～4。CM、。350～500L/(m2·h)。CM10～20s1～3min95%90%。1.4CM-131。1130m3/h75%。。CM-131/(L·m-2·h-1)/μm/m2/%/℃/MPa6—10100～5000.002～0.11995601/、、CEB0.5%/3340～1200.0338～8195400.52CM-131Tab.2ComparationofmonolithceramicultrafiltrationmembraneandhollowfiberultrafiltrationmembraneCM872。10NTUρ(Ca2+)100mg/LSDI1550。2.1CMCM12。160dCMSDI151.1～1.6SDI153SDI。44kPa67kPaCIP。2CM0.01～0.03NTU。2.23。360d256～280kPa9.1%。98.2～102.3m3/h4.2%。100μS/cmρ(Cl-)10mg/LCOD2mg/L0.01NTUρ()0.1mg/L。GB50335－2002。31+CM+。60CMSDI151.1～1.60.01～0.03NTU44kPa67kPa。CM。256～280kPa98.2～102.3m3/hGB50335－2002。2CM-131、、。CM、、、、、SDI、。CM、。。[1].[J].,2011(2):26-28.[2],,.“”[J].,2011(4):167-169.[3],.[J].,2004,20(4):94-96.[4]PeterSanciolo,EddyOstarcevic,PaulAtherton,etal.Enhancementofreverseosmosiswaterrecoveryusinginterstagecalciumpresipitation[J].Desalination,2012(295):43-52.1CMSDI15Fig.1TheeffluentSDI15andTMPofCMceramicultrafiltrationmembrane01020304050600.00.40.81.21.62.0SDI
/d04080120160200
/kPa2CMFig.2TheeffluentturbidityofCMceramicultrafiltrationmembrane01020304050600.0000.0050.0100.0150.0200.0250.030
NTU d3Fig.3TMPandwaterflowrateofROsystem010203040506080859095100105
/d250260270280290300/(mg L)
/kPa9343488ApplicationofHighSurfaceAreaMonolithCeramicUltrafiltrationMembraneinChemicalWastewaterAdvancementTreatmentFUJiangtao1,WANGLi1,LIXinwang2,ZHANGLiqun3,LEILei1（1.CollegeofResourcesandEnvironmentalEngineering,WuhanUniversityofScienceandTechnology,Wuhan430081,China;2.NanostoneWater,Inc.,Shanghai200041,China;3.X-MEMEnvironmentalTechnology(Shanghai)Co.,Ltd,Shanghai200433,China）Abstract:Mechanicalacceleratedclarificationtank,multimediumfilter,activecarbonfilter,monolithceramicultrafiltrationmembraneandROprocesswereusedforchemicalinorganicwastewatertreatment.In60daysofcontinuousoperation，thepermeateSDI15ofceramicultrafiltrationmembranewasbetween1.1~1.6,turbiditywasbetween0.01~0.03NTU,theoperatingtans-membranepressurewasincreasedfrom44kPaupto67kPa.TheeffluentwaterqualitycouldfullymeettheeffluentwaterqualityrequirementsoftheROsystem.TheeffluentqualityoftheROsystemmeetstherequirementsofGB50335-2002inthewaterqualitycontrolindexofreclaimedwaterusedascirculatingcoolingwater.Comparedwithconventionalceramicmembraneproducts,monolithceramicultrafiltrationmembrane(CM131)hasalargersurfacearea.CM131isusedasthepretreatmentprocessofROsystem,theinstallation,operationandbackwashingmodearesimilartothetraditionalhollowfiberultrafiltrationmembrane,andthereisnofiberbrokenproblem.Theporesizedistribution,operatingpressure,temperature,systemrecoveryrate,oilresistance,corrosionresistance,effluentwaterSDIvalueandworkinglifearebetterthanhollowfiberultrafiltrationmembrane.Keywords：chemicalwastewater;monolithceramicultrafiltrationmembrane;ROmembrane;SDI15OptimizationDegradationofFlameRetardantWastewaterbyFenton-LikeReaction/IronLoadedActivatedCarbonHUJinmei1,HUANGTianyin1,YULei2,YINFangliang1,GUOFucheng1,LIZhiyuan1(1.SchoolofEnvironmentalScienceandEngineering,SuzhouUniversityofScienceandTechnology,Suzhou215009,China;2.SchoolofBiologicalandEnvironmentalScience,NanjingForesteyUniversity,Nanjing210037,China)Abstract:Design-expertV8.0.6wasusedtooptimizethecontentofH2O2,FeSO4·7H2OandpHofflameretardantwastewaterbyfenton-likemethod.TheresultsshowedthatwhenpH=3.15,themassconcentrationofFe2+,H2O2was1g/L,10.1g/L,theoperatingconditionwasoptimal.ThehighestdegradationrateofCODwas70.28%,quadraticregressionequationbetweenfactorsandresponsevalueswasobtained.Confirmatoryexperimentsindicatedthattheoptimalconditionachievedbyresponsesurfacemethodologywaseffective.Ironloadedgranuleactivatedcarbon(GAC/Fe)waspreparedtoreplaceFe2+todegradeCODintheflameretardantwastewater.TheScanningElectronMicroscopyandenergydispersiveX-rayspectroscopycharacterizationresultsshowedthatFewasloadedonGACandthedegradationrateofCODis98.78%.TheproblemofimmobilizedFe2+wassolvedbyGAC/Fefenton-likemethod,andthedegradationrateofCODwasimprovedintheflameretardantwastewater,whichwashigherthanbiodegradation.Keywords:Fenton-like;flameretardantwastewater;degradationrate;activatedcarbon;optimization(III)/Fe(II)cyclewithhydroxylamine[J].EnvironmentalScience&Technology,2013,47(20):11685-11691.[12]HUANGZF,BAOHW,YAOYY,etal.Novelgreenactivation