uv for swimming pool purity - aquionics - uv...

the power in uV technology

uV for swimming pool purity...FACTSHEET

HanoviawasthepioneerintheuseofUVforpoolwatertreatment.

HanoviaUVSystemsprovidethedoublebenefitofreducingthecombinedchlorine(Chloramines)thatcauseunpleasantodoursandbatherdiscomfortandsecondarydisinfection,enablingreducedlevelsofchlorinetobeused.

‘theUVdisinfectionprocesshasmadeafantasticdifferencetothewaterandairqualityofthepoolareas.’

AlanWebb,SpelthorneLeisureCentre,UK

‘averycleanandefficientwayofkillingbugs.’

NormanBuck,UniversityofEastAnglia,UK

THEPHOTONIICONTROL

ThePhotoncontrolsystemfromHanoviaisamicroprocessor-drivencontrolmoduleoffering:

• Fulltraceability

• Datalogging-upto12months

• Amenu-driveninterface

• Realtimedisplayofperformanceparameters

• DownloadtoRS232Interface

THEMONITOR

ProvidescontinuousoutputmeasurementofeachUVlampintreatmentchamberandkeepssystemrunningatmaximumefficiency.Withanychangeinprocessconditions,thesystemcanbedesignedto:

• Switchtonewpowerlevel

• Initiatealocalorremotealarm

ARCTUBE

• Upto6ArcTubesperchamber

• Simpletoreplace

• HanoviaistheonlyUVsystemssuppliertomanufactureitsownMediumPressureArcTubes.ThisfacilityhasenableddevelopmentofpowerfulmediumpressureArcTubeswhicharerichinthewavelengthsnecessaryfordisinfectionandchloraminesdestructions

• AllHanoviaArcTubesaremanufacturedandtestedtointernationalstandards

THETREATMENTCHAMBER

• Capacityupto1,500m3perhourforasinglePhotonchamber

• Interiormirrorfinishtohigheststandards,weldspolished

• 316Lstainlesssteelconstruction

• Quartzsleeve(s),mountedaxially,housesArcTube(s)andpermitsreplacementwithoutinterruptingflow

• Automaticwipermaintainsdisinfectionefficiency,evenforpoorqualityfluids

• Optimumhydraulicdesignforuniformtreatment

• Dosemodelsindependentlyvalidatedwithbioassaytestingworldwide

theHanoviaSystem......howitallworks

Inthetreatmentroom,theentirepoolvolumere-circulatesthroughtheHanoviachamberwhereitispurifiedbyUV.Theonlymovingpartistheautomaticwiper,whichkeepsthequartzsleevefreefromdeposits.

swimmingpoolwaterpurificationwithUV......explainedintechnicaldetail

HanoviaequipmentiseffectivewithintheguidelinesofthePoolWaterAdvisoryGroupandallowssafereductioninresidualchlorinelevelstothenewrecommendations,whilstachievingatotaltoboundratio>4:1.

BenefitsofUVTheprimaryactionofUVistokillbacteria,viruses,mouldsandtheirspores,thusreducingtheriskoftransmissionofstomach,skinandrespiratorytractinfectionstobathers.UVhasanimportantsecondaryaction:itinitiatesphoto-chemicalandphotooxidationreactionswhichdestroyschloramines,arangeofcompoundsresponsibleforunpleasantsmellsinpools.Thisisparticularlyimportantinleisurepoolswherefeaturessuchaswaterslidesandwavesgiveagreatersurfaceareaforthereleaseofchloraminesintotheair;UVreducestheburden,makingtheatmospheresaferandmorepleasant.Totaltoboundratioof>4:1aretypicalofpoolwatertreatedbyHanoviaUV.

Max.CombinedChlorineLevels

Germany 0.20ppm

Denmark 0.20ppm

Italy 0.30ppm

Sweden 0.40ppm

Norway 0.50ppm

Cosmicrays

gammarays

X-rays

ultra-violet

visible light infa-red

redviolet

200 300245 nmnh2Ci 260 nm

nCi3

297 nmnhCi2

340 nmnCi3

400

germicidalwavelengths

radiowaves

how uV works

100

effective Control hobart aquatic Centre, tasmania

3.5

3

2.5

2

1.5

1

0.5

0

600

500

400

300

200

100

0Dec 98

Jan 99

Feb 99

mar 99

apr 99

may 99

Jun 99

Jul 99

aug 99

Sep 99

oct 99

nov 99

Dec 99

uV

Date

Conc

entr

atio

n (p

pm)

total Chlorine

Bound Chlorine

Bather Load

Hanoviasystemstandalone• Simpleandcompletelyreliable

• HanoviaUVsystemsdonotrequiredailymaintenance

• SystemsarefullymonitoredtoensurethecorrectdoseofUV

• AlarmedfortheunlikelyeventofUVtubefailure

• Hanovia’ssystemsinterfacewithBuildingManagementSystem

• Rangeofsizestosuitdifferentdemands

• Minimalspacerequirements

UVissaferandprovidesthebestenvironmentforeveryoneinvolved• UViseffectiveagainstallpathogensincludingCryptosporidium

• Providesexcellentwaterqualityandamorepleasantbathingenvironment

• Treatsfullrecirculatingflow

• Reducestheamountofchemicalsrequired,typicallyby50%

• Nobreathingapparatusrequired

Visit our website for further information at www.hanovia.com

Further inFormation teChniCaL anD SaLeS SuPPort StaFFour highly trained sales and service staff help you select and install the best plant for yourneeds. our comprehensive after sales service includes a full range of spares and ongoing professional technical backup, with an optional service contract.

t: +44 (0) 1753 515 300 e: sales@hanovia.com hanovia Ltd, 780 Buckingham avenue, Slough, Berkshire, SL1 4La united Kingdom

brochure design by Breathe marketing Limited www.breathe4u.com

Maintenance• Verysimpleandinfrequent• Arctubeschangedonlyonceayear• Arctubereplacementtakes5minutes• Maintenancecanbecarriedoutbyon-sitepersonnel

LowCost• LowerCapitalinvestmentthanothercomparabletechnologies• Considerablesavingsonchemicals,electricity,maintenanceand

personnel• Simpleinstallationandoperation• Availablefornewbuildsorasaretrofittoolderpools• Noadditionalfilters,contactvesselsorpumpsrequired• Timersusedfornightshut-down

ProvenTechnology• Hanoviasysteminstalledathundredsofpoolsacrosstheglobe• Sametechnologyusedtodisinfectdrinkingwater• Treatedwaterqualityexceedshighestinternationalstandards

Ph inJeCtion

ChLorine inJeCtion

Strainer

Strainer

PooL BaLanCe tanK

CirCuLatingPumPS

PumP Cut-oFF SignaL (VFC)

BaCKwaSh

FoCCuLant inJeCtion

CaLoriFier

By PaSS

uLtraVioLet ChamBer

uVFiLter FiLter

Flow Diagram for Single Pool with ultraviolet Disinfection