ZW1500ProcessProductManual-OEM-R1

GEWATERANDPROCESSTECHNOLOGIESPressurizedUFZW1500OEMDesignGuidelines2ZW1500SYSTEMOVERVIEWTableofContents1.INTRODUCTION...32.DESCRIPTIONOFTHEMODULEANDTHEOVERALLFILTRATIONPROCESS.52.1.MembraneModule52.2.SystemOperatingDescription&SystemControl..73.ZW1500PROCESSDESCRIPTION..83.1.Production83.2.Backwash..83.3.MaintenanceClean.103.4.RecoveryClean113.5.MembraneIntegrityTest.124.ZW1500FLUXGUIDELINES1331.INTRODUCTIONTheZeeWeed?1500isapressurizedultrafiltrationmembranesystemintroducedbyGEWaterandProcessTechnologiesin2008.ZeeWeed?1500SeriesmembraneutilizesOutside-Inhollow-fibermembranethathasanominalporesizeof0.02.ThesmallporesizeexcludesparticulatematterincludingGiardiacystsandCryptosporidiumoocystsfromthetreatedwater.Additionally,somevirusesareremovedbyacombinationofadsorptionontothesolidsintheprocesstankandbydirectsizeexclusion.ZeeWeed?1500seriesultrafiltrationmembranescanachieve≥4logremovalofGiardiacystsandCryptosporidiumoocystsand≥2.0logremovalofviruses.Thepressurizedproductlineencompassesthe“ZW1500pressurizedmodule”,“packagedsystems”forsmaller-capacityplantsand“buildingblocks”forlargerplantdesigns.PressurizedmodulesareavailableforOEMintegrationinnon-GEdesignedandofferedsystems.Packagedplantsareself-containedunitsthatareeasilyshippedandinstalledbyanOEMoranendclient.Aseparatebackpulse,clean-in-place(CIP)orcompressedairskidmayalsoberequired.Largercapacitycustomdesignedplantsarebrokendownintotrains,witheachtraincomprisedofuptofourmembraneracksinseries.Alargeplantwilltypicallybedesignedwithseveraltrainsforredundancy.Eachtrainwillhaveitsownskidcontainingpumps,valvesandinstrumentationandwillbecontrolledbyaslavecontroller.AmasterPLC/HMIwillcontroltheentireplant.SeeFigure1foraschematicrepresentation.AdditionalskidscancontainCIPchemicaldosingsystems,neutralizationequipment,feedandpermeatetank,backpulseequipmentandcompressedairsystems.Plantslargerthan5mgdwillhaveacommonpumpskidconsistingofoneormorefeedpumpswithvalve/instrumentationracksthatjointothemoduleracks.Figure1:TypicalSchema