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DOWWaterSolutionsDOWWaterSolutionsEDI,UFandMBREDI,UFandMBRJimmyWeiJimmyWei2009-4-1421.2.3.4.5.UFlow6.2009-4-1432009-4-1441.2009-4-1452009-4-146❈¾¾¾2009-4-147❈2009-4-148❈¾¾¾¾2009-4-149❈¾¾¾¾¾2009-4-1410❈¾¾¾¾¾¾¾¾2009-4-14112009-4-1412❈¾¾¾¾¾¾¾¾¾¾¾¾¾2009-4-1413❈¾¾¾2009-4-1414❈¾outsideinside2009-4-1415❈¾¾¾¾¾¾¾1st(O/I)LumenArea2nd0.30mm2009-4-1416❈¾¾¾¾¾38º2009-4-1417❈¾¾¾¾38º2009-4-1418❈¾¾¾¾2009-4-1419❈EDI210EDI316UFMBR2009-4-1420❈2009-4-1421❈SFP28602009-4-1422❈SFP26602009-4-1423❈40200ppm2000ppm2.1bar40-120l/m2.h256.0bar300NTU2-111-12PH2009-4-1424❈1.0MPa512Nm3/h.2.5bar20-301.8m3/h2.6m3/h(6”1.5m3/h,8”2.0m3/h)NaOCl10-15ppm100-150l/m2.h2.5bar0.5-420-602009-4-1425❈1040354030351-1.5m3/h·1-2%1-2%0.4%HCl0.1%NaOH+0.2%NaOCl60-900.5-1.0barK25%-35%0.1HCl0.05NaOH0.1%NaOCl5-102412009-4-1426❈2009-4-1427❈2009-4-1428❈FiltrationBackwashAirScrubBWFFCIPCEBOptional*2009-4-1429❈-FiltrateRawWaterFilter200-300μmBackwashTankAirChemicalsBackwashPumpFeedPumpEffluent2009-4-1430❈-FiltrateRawWaterFilter200-300μmBackwashTankAirChemicalsBackwashPumpFeedPumpEffluent2009-4-1431❈-FiltrateRawWaterFilter200-300μmBackwashTankAirChemicalsBackwashPumpFeedPumpEffluent2009-4-1432❈-1FiltrateRawWaterFilter200-300μmBackwashTankAirChemicalsBackwashPumpFeedPumpEffluent2009-4-1433❈-2FiltrateRawWaterFilter200-300μmBackwashTankAirChemicalsBackwashPumpFeedPumpEffluent2009-4-1434❈-FiltrateRawWaterFilter200-300μmBackwashTankAirChemicalsBackwashPumpFeedPumpEffluent2009-4-1435❈-PumpCIPTankCIPPump¾¾¾¾2009-4-14362009-4-14374.❈¾¾¾¾2009-4-14384.❈¾¾¾¾2009-4-14394.❈¾¾¾2009-4-14404.❈¾¾¾999ρμ9992009-4-14414.❈¾-1~100nm¾¾¾¾(9UF92009-4-14424.❈¾TOCRejectionofDOWTMUFSource:--9MightcausefoulingtoUFfibers.9Nourishmentresourcetomicroorganism.9WhenfeedTOCtoUFismorethan40mg/l,theproperpretreatmentisrecommended.2009-4-14434.❈¾Kindsofbacterium9BacteriareproductionisagreatthreattoUFlongtermoperation9Reproductionandtheirmetabolitesonthefibersurfacearehardtoberemoved,andwillcauseirreversiblepollutiontothemembrane.9AddingsomedisinfectantslikeNaClO,Cl2,UVetc.2009-4-14444.❈¾–HCO3−–Cl−–SO42−–F−–CO32−–NO3−–Silica(HSiO3−orSiO2)–Ca++–Mg++–Na+–K+–Al+++–Mn++–Fe++(ferrous)Fe+++(ferric)2009-4-14454.❈¾TMPCIP2009-4-14464.❈¾A2009-4-14474.❈¾BWCEBCIP2009-4-14484.❈2009-4-14494.❈/UFlow2009-4-14504.❈••2009-4-14514.❈Wehavehadexperiencewithsystemsexceedingmanyofthesemaximumallowablespecifications.WehavehadexperiencewithWehavehadexperiencewithsystemsexceedingmanyofthesesystemsexceedingmanyofthesemaximumallowablespecifications.maximumallowablespecifications.2009-4-14524.❈2009-4-14532009-4-1454••2009-4-14552009-4-1456(,,TOC,,)2009-4-1457•CEB?•CIP?••?•?•?•?2009-4-14582009-4-14592009-4-1460?:://❈¾¾¾¾2009-4-1462MeaningfulSolutionspoweredbyUnparalleledExpertiseThankYou!EnsuringQualityWaterforLife
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