wastewater disinfection€¦ · electronic ballast uv modules water level control 3 module removal...
TRANSCRIPT
WASTEWATERDISINFECTION
1
TrojanTechnologiesisanISO9001:2000registeredcompanythathassetthestandardforprovenUVtechnologyandongoinginnovationformorethan25years.Withunmatchedscientificandtechnicalexpertise,andaglobalnetworkofwatertreatmentspecialists,representativesandtechnicians,TrojanistrustedmorethananyotherfirmasthebestchoiceformunicipalUVsolutions.TrojanhasthelargestUVinstallationbase–over4,000municipalinstallationsworldwide.InNorthAmericaalone,almostoneinfivewastewatertreatmentplantsrelyonour
proven,chemical-freedisinfectionsolutions.
TheTrojanUV4000Plus™isoneofthereasonswhy.Thisrobust,highcapacitysystemintroducedthebenefitsofhighintensity,medium-pressurelamptechnologytowastewatertreatment.ItalsoredefinedsleevecleaningtechnologywithTrojan’spatented,dual-action,chemical/mechanicalActiClean™system.Withover375installations–includingsomeofthelargestwastewatertreatmentplantsintheworld–theTrojanUV4000Plus™isallowingengineersandoperatorstoincorporate
chemical-free,UVdisinfectionforlargeflowsof1,578m3/handgreaterinaminimalamountofspace–withafractionofthenumberoflampsrequiredbylow-pressuresystems.TheextremelycompactsystemcanbeusedforlowUVtransmittanceapplicationspreviouslyunattainablewithultraviolettechnology.Italsoofferstheflexibilitytotreatawiderangeofwastewater;fromprimary,secondaryandblendedeffluentstocombinedandsanitaryseweroverflowstowaterforreuseapplications.
ProvenUVSolutionsforLowQualityEffluent&LargeFlowsSelectedforsomeoftheworld'slargest&mostchallengingtreatmentapplications
SubmergedEffluentReactor
Providinghighvolumetreatmenteffectivelyandreliably
2
SystemControlCenter(SCC)
UVIntensitySensor
ContinuouslymonitorsandcontrolsallUVfunctionsanddosepacing.ItincorporatesaPLCandmenu-driven,touch-screeninterfaceforat-a-glanceconfirmationofsystemparameters,performance,andsimplecontrolofallsystemfunctions.Thedosepacingprogramconservespowerandextendslamplifebyvaryinglampintensityandcontrollingbankon/offstatusaccordingtoflowandwaterqualityparameters.TheSCCfeaturesdiscreteoutputsand/orserialcommunicationlinkstotheplantSCADAsystemforfullremotemonitoring.
Alleffluentinthechannelflowsbygravitythroughthefullysubmerged,open-endedreactor,wheretheeffluentisexposedtohighintensityUVlight.Theinnovative,submergeddesignandcontouredreactorinteriorensuresstringentcontrolofthewaterlayeraroundthelampsforconsistentdisinfectionregardlessofflowrate.ModuleswithUVlampspivotintothereactoropeningatbothends.
EachbankofUVmodulesincorporatesaUVintensitysensorthatcontinuallymonitorsUVlampoutput.
ElectronicBallast
UVModules
WaterLevelControl
3
PowerDistributionCenter(PDC)ModuleRemovalMechanism(MRM)
ActiClean™CleaningSystem
TheMRMliftsmodulesoutofthechanneltoanoptimalworkingheightformaintenance.Thedeviceusesareversibleelectricwinchhousedinaweather-proof,stainlesssteelcase.Theintegratedsafetyhookallowsmultiplehook-uppointsforholdingmodulesatdifferentpositionsformaximumserviceconvenience.
ThePDCprovidespowertoeachbankofmodulesandmonitorsdatafromthemodule(includingUVintensitysignals),cleaningsystemcontrolandstatus,hydraulicsystems,andeffluentlevelsignals.PDCsarehousedinIP68rated,stainlesssteelenclosuresmounteddirectlyonthesystemabovethechannel.
High-efficiency,variable-output(30%-100%power)electronicballastsregulatethepowertotheUVlamps.Thevariable-outputdesignpermitstheplanttodosepacebasedonflowrateandwaterquality.Ballasts(oneperlamp)areinsidethemodules,andhousedinweather-resistant,IP68ratedenclosures.Anintegratedcoolingsystemiscontainedwithintheballastenclosure,eliminatingtherequirementforairconditioningandallowsfortheentiresystemtobeinstalledoutdoors.
UVlampsaremountedonstainlesssteelmodulesthataresubmergedintheeffluentchannel.Thelampsareenclosedinquartzsleeves,positionedhorizontallyandparalleltothewaterflow.Modulesconsistofmultiplelampsandaremountedinparalleltoformabank.Ballastsaremountedinsidethemodules,andallballastandlampwiringrunsinsidethestainlesssteelmoduleframetoprotectitfromexposuretoUVlightandeffluent.
WaterlevelintheUVchannelcanbecontrolledusingeitheramotorizedweirgateorafixedweirlocateddownstreamofthereactor.Trojan’sengineeringstaffwillassisttodesignandselectthemostappropriatedevicebasedonhydraulicandsite-specificconsiderations.
Achemical/mechanicalcleaningsystempreventsfoulingoftheUVlampsleeves.HydraulicallydrivenwipercollarsfilledwithActiClean™gelsurroundthequartzsleeves.Thegeliscomprisedofanon-corrosive,operator-friendlycleaningchemicalthatcontactsthesleevesbetweenthecollar'stworubberwiperseals.Cleaningcanbeprogrammedtooccuratpresetintervals,andtakesplaceonlinewhilethelampsaresubmergedandoperating.
4
KeyBenefitsTrojanUV4000Plus™
Increased operator, community and environmental safety. Uses
environmentally-friendly ultraviolet light – the safest alternative for wastewater disinfection. No
disinfection by-products are created, and no chlorine compounds must be transported, stored
or handled.
Ideal for challenging wastewater applications. Treats a wide range of
wastewater flows, including effluents with UV transmittance as low as 15%, combined &
sanitary sewer overflows, and water for reuse applications.
Proven, regulatory-endorsed disinfection based on actual dose delivery testing
(bioassay validation), and over 375 installations worldwide. Verified field performance data
eliminates the sizing assumptions of theoretical dose calculations.
Reduced installation costs. Easily retrofitted into existing chlorine contact chambers,
leaving the majority of the chamber available for storage, by-pass or emergency back-up
– eliminating the expense and footprint associated with the construction of new structures.
Operator-friendly maintenance. Features significantly fewer lamps, modules that are
electrically separate, and an integrated power winch to remove modules from the channel to a
convenient working height.
Dual-action sleeve cleaning system improves performance and reduces labor costs. Unsurpassed chemical/mechanical cleaning system maintains maximum
sleeve transmittance, and works online while disinfecting.
Optimized for efficient operation. Uses a fraction of the number of lamps required
by conventional low-pressure systems, and features high efficiency, variable-output electronic
ballasts and dose pacing to minimize power consumption.
Guaranteed performance and comprehensive warranty. Trojan systems
include a Lifetime Disinfection Performance Guarantee. Ask for details.
Benefits:•Useofhighintensitylampsand
chemical/mechanicalsleevecleaningovercomesoperationallimitationsoflow-pressuresystemsforlowqualitywastewaterandlargescaleapplications
•CapableoftreatingwastewatereffluentswithUVtransmittancelevelsaslowas15%–eliminatingthedrawbacksanddangersofchemicaldisinfection
•Compactsystemdesignedfortreatmentoflargewastewaterflowsof1577m³/handgreater
•Requiresonly2.5lampsper157.5m³/hofsecondaryeffluent
•Configurableinmultiplechannels,withsingleormultiplebanksperchannel,foroptimalsizingbasedonupstreamtreatmentprocesses&effluentquality
DesignedforChallenging&LargeScaleApplicationsSystemprovideseffectivetreatmentofverylowUVTeffluentandlargeflows
The TrojanUV4000Plus™ has been optimized for disinfection of low quality wastewater using high intensity lamps, and vortex mixers (left) to increase flow turbulence around the lamps. Trojan’s UV technology allowed the City of Honolulu, Hawaii to disinfect primary effluent at their Sand Island treatment facility (right), and thereby save hundreds of millions of dollars that would have been required to build secondary treatment facilities.
5
TrojanUV4000Plus™ Treatment Capabilities
Disinfection Application Capability
PrimaryWastewaterEffluent Yes
BlendedWastewaterEffluent Yes
SecondaryWastewaterEffluent Yes
FixedFilmProcesses Yes
TertiaryWastewaterEffluent Yes
WaterReuseApplications Yes
CombinedSewerOverflows(CSO) Yes
SanitarySewerOverflows(SSO) Yes
StormSewerOverflows Yes
Benefits:•Highintensity,medium-pressure
lampsproducesignificantlymoreUVenergythanlow-pressurelamps
•Reducednumberoflamps–theTrojanUV4000Plus™usesafractionofthelampsrequiredbyconventionallow-pressureUVsystems
•Medium-pressurelampsarepolychromatic,andproduceabroadrangeofwavelengths–themajorityofwhichareeffectiveagainstmicroorganisms(seebelow)
•Fewerlampsallowthesystemtobelocatedincompactspaces,reducinginstallationcosts
•Minimizenumberofrelatedcomponents(sleeves,seals,wipers,ballasts,etc.),reducingO&Mcosts
HighIntensityUVLampsMedium-pressurelamptechnologyreducesnumberoflampssignificantly
6
The intensity and breadth of UV wavelengths delivered by medium-pressure lamps are significantly greater than low-pressure lamps. A larger portion of the ultraviolet light that medium-pressure lamps emit is absorbed by the DNA of microorganisms, which results in effective disinfection with fewer lamps.
220 240 260 280
UV
Out
put Effective
Wavelengths
Wavelength (nm)220 240 260 280
MicroorganismDNA AbsorptionCurve
MicroorganismDNA AbsorptionCurve
UV
Out
put
Wavelength (nm)
EffectiveWavelength
Monochromatic UV Output Polychromatic UV OutputLow Pressure Lamp Medium Pressure Lamp
Comparison of Low-Pressure and Medium-Pressure Lamp Technologies
Trojan pioneered the use of high intensity, medium-pressure ultraviolet lamps for wastewater disinfection. The technology minimizes the system footprint, and offers the capability of treating high flow rates, and low quality effluents with UVT levels as low as 15%.
Benefits:•PLC-basedsystemmonitorsand
controlsallUVfunctionsviaanoperator-friendly,touch-screendisplayontheSystemControlCenter(SCC)
•Menu-driveninterfacesimplifiesaccesstoallsystemfunctions,setpoints,andalarmreportingforfastaccuratediagnosticsofprocessormaintenanceissues
•Automateddosedeliveryisbasedonlampage,andotherwaterparametersfromoptionalsensors,includingflowrate,UVtransmittance,turbidity,etc.
•Discreteoutputsand/orserialcommunicationlinkstotheplantSCADAsystemenablefullremotemonitoring
User-FriendlyControls&OperationIntuitive,touch-screencontrollerallowsat-a-glancesystemmonitoringandcontrol
7
The PLC-based controller combines sophisticated system operation and reporting with an operator-friendly, touch-screen display.
DosePacingReducesO&MCostsSystemaccuratelymatchesUVoutputtodisinfectionrequirements
Benefits:•Highefficiencyballastsvary
outputfrom30–100%perbankinordertomatchUVdosewitheffluentqualityandflowrate
•UVlampsare“dimmed”tooptimizeUVdose,andbankscanbeturnedoffduringperiodsofnoorlowflow
•Multiplesensorinputsallowmaximumefficiencysodisinfectionrequirementsarefullymetusingtheminimumamountofpower
•DosepacingincreasestheoperatinglifeofUVlamps,therebyreducingthefrequency,expenseandlaborrequiredforlampreplacement
The dose pacing system of the TrojanUV4000Plus™ uses a PLC-based controller that monitors lamp age and water quality (e.g. flow rate, UVT, turbidity) and adjusts lamp output to ensure full disinfection is achieved using minimal power.
Ballast
PDC
Ballast
Bank 1 Off/On – 30 to 100% Output
Bank 2Off/On – 30 to 100% Output
PLC
Sensors(Water Quality,Flow Rate, etc.)
Benefits:•Highintensity,medium-pressure
lampsandunparalleledsleevecleaningallowmaximumdisinfectioninminimalspace–over15,772m3/hinasingleeffluentchannel
•Requiresonly1/8thto1/15ththeamountofspaceofchlorinedisinfection,reducingconstructionandcapitalcostssubstantially
•Systemisdesignedforsimplifiedretrofitintoexistingchlorinecontacttankinfrastructure,minimizingconstructioncosts–andleavingthemajorityofthecontacttankavailableforstorage,by-passoremergencyback-up
•Electronicballastsareinsidethemodules,eliminatingtheneedforlargeballastpanelsmountedbesidetheUVchannel
•Allsystemcomponentscanbeinstalledoutdoors
DesignFlexibilityReducesInstallationCostsCompactsystemminimizesfootprintandallowseasyretrofitintoexistingfacilities
In this retrofit installation, each reactor was installed in one pass of the existing chlorine contact basin with only minor modifications to the channels. This allows the majority of the basin to be used for storage, by-pass or emergency back-up.
The eight TrojanUV4000Plus™ reactors used to disinfect 94,632 m3/h at this large wastewater treatment facility require a footprint measuring only 2032 x 3048 mm – a fraction of the space needed for chlorine disinfection.
8
Benefits:•Unsurpassedchemical/
mechanicalcleaningsystemensuresoptimalsleevetransmittancesomaximumUVenergyisdeliveredtotheeffluent
•Cleansautomaticallyatpresetintervalswithoutdisruptingdisinfection,therebyreducingdowntimeandO&Mcostsofmanualcleaning
UnsurpassedChemical/MechanicalSleeveCleaningActiClean™dual-actioncleaningsystemeliminatesfoulingandreducesmaintenancecosts
ActiClean™GelReservoir
TeflonBearings
RubberWiperSeal
ActiClean™Collars–Cross-SectionalView
Operator Comments About the TrojanUV4000Plus™ “It does the job and it’s simple to operate.” “It’s user-friendly and low maintenance.” “We’re getting a better kill than we expected. We’ve always dealt with chlorine and sulphur dioxide, but this does
every bit as well. It doesn’t seem to need as much maintenance – there’s no dangerous chemicals, and it’s cleaner.”
SystemSpecificationsSystemCharacteristics TrojanUV4000Plus™
TypicalApplications 1577m³/handgreater;primary,secondary,blended,andtertiarywastewater,CSO,SSO,andwaterreuseapplications
LampType Medium-pressure,polychromaticUVoutput
BallastType Electronic;variable-output(30–100%)
InputPowerPerLamp 3,200Watts
LampConfiguration Horizontal,paralleltoflow
LampsPerModule 6to24
ModulesPerBank 2to7
LevelControlDeviceOptions Fixedweirormotorizedweirgate
EnclosureRatings
ModuleBallastEnclosure IP68
AllOtherEnclosures IP56,IP65
BallastCoolingMethod Closedloopsystem;noairconditioningorforcedairrequired
StructuralMaterials Wettedparts:316SST;Non-wettedparts:304SST
MaximumAmbientTemperature 50°C
SleeveCleaningSystem
ActiClean™CleaningSystem Dual-action;chemical/mechanical;programmableforautomatedcleaningatdefinedintervals;manualoverride
ActiClean™CleaningGel Non-corrosive,operator-friendly
SystemControlCenter
Controller VariousPLCoptions;AskyourTrojanRepresentativefordetails
UVIntensityMonitoring 1sensorperbank
InputsRequired/Optional 4-20mAflowsignal/4-20mAUVTsignal
TypicalOutputsProvided Bankstatus,commonalarmsandSCADAcommunication
MaximumDistancefromUVChannel 152m
ElectricalRequirements
PowerDistributionCenters 50/60Hz,277/480V,3phase,4wire+groundor50/60Hz,230/400V,3phase,4wire+ground
HydraulicSystemCenter 50/60Hz,120V,singlephase,2wire+groundor50/60Hz,230V,singlephase,2wire+ground
SystemControlCenter 50/60Hz,120V,singlephase,2wire+groundor50/60Hz,230V,singlephase,2wire+ground
TheproductsdescribedinthispublicationmaybeprotectedbyoneormorepatentsinTheUnitedStatesofAmerica,Canadaand/orothercountries.ForalistofpatentsownedbyTrojanTechnologies,gotowww.trojanuv.com.
PrintedinGermany.Copyright2010.TrojanTechnologies,London,Ontario,Canada.Nopartofthispublicationmaybereproduced,storedinaretrievalsystem,ortransmittedinanyformorbyanymeanswithoutthewrittenpermissionofTrojanTechnologies.MWW-004 (1006) UK TROW-1035
Find out how your wastewater treatment plant can benefit from the TrojanUV4000Plus™ – call us today.
UK Germany, Austria, Switzerland, Eastern Europe Spain, Portugal
Trojan UV Technologies UK Limited5 De Salis Court, Hampton Lovett, Droitwich WR9 0QE Worcestershire / United KingdomT. 0044.1905.771117
Trojan Technologies Deutschland GmbH Aschaffenburger Str. 72 63825 Schöllkrippen / DeutschlandT. 0049.6024.6347580
Trojan Technologies España S.L.C/Príncipe de Vergara, 207 P-328002 Madrid / EspañaT. 0034.91.5645757
France, Belgium Italy Netherlands
Trojan Technologies FranceEuroparc de Pichaury - Bât. D2 - B.P. 39513799 Aix en Provence Cedex 3 / FranceT. 0033.442.531821
Trojan Technolgies Italia - Sede Secondaria Della Trojan Technologies Deutschland GmbHVia Riccione, 14 - 20156 Milano / Italia T. 0039.02.39231431
Trojan Technologies EuropeDe Bruyn Kopsstraat 82288 ED Rijswijk / The NetherlandsT. 0031.70.3913020
Canada, North America, Middle East Trojan Technologies London (Canada), 3020 Gore Road, London N5V 4T7, Ontario / Canada, T. 001.519.4573400
www.trojanuv.com