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ParticulateT(mechanical)Tfiltration,TcarbonTfiltration,TreverseTosmosis,T
demineralizationT(deionizationT&Tsoftening),Tdistillation,TmineralTandTf
luorideTaddition,TandTdisinfectionTandTdisinfectionTbyproductsTareTallT
examplesTofT____________________T______________________Tproce
ssesT-TCorrectTAnswer-waterTtreatment
SolubleTironTisTgenerallyTfoundTinTgroundTwaterTwithThighT__________
_____T____________________TcontentT-TCorrectTAnswer-
carbonTdioxide
SolubleTironTisTchangedTtoTinsolubleTferricTironTbyT_________________
__,TcausingTreddish-
brownTprecipitateTtoTformTinTfinishedTproductTbottlesT-
TCorrectTAnswer-oxygen
_________________TandT__________________TmayTbeTremovedTbyTo
xidation/filtration,Tcomplexation,TorTmanganese-zeoliteTtreatmentT-
TCorrectTAnswer-iron,Tmanganese
ExcessiveT__________________TinTwaterTisTremovedTbyTusingTaTstrong
-baseTionTexchangeTresinT-TCorrectTAnswer-nitrate
,Strong-
baseTionTexchangeTresinsTremoveTundesirableT_________________,Tin
cludingTsulfate,Tnitrite,Tchloride,TandTbicarbonateT-TCorrectTAnswer-
anions
____________________TisTremovedTbyTpassingTwaterTthroughTaTbedTo
fTgranularTactivatedTaluminaT-TCorrectTAnswer-Fluoride
____________________TareTusedTinsteadTofTchlorineTasTaTdisinfectionT
agentTinTsomeTareasTforTmunicipalTwaterTsupplies,TbecauseThighTlevels
TofTtrihalomethanesTareTformedTbyTtheTreactionTofTchlorineTwithTorgan
icTmaterialsTinTrawTwaterT-TCorrectTAnswer-Chloramines
Mixed-bedTionTexchangeTremovesT_________________TveryTeasilyT-
TCorrectTAnswer-chloramines
WaterTsofteningTandTreverseTosmosisTareTineffective,TandTactivatedTca
rbonTisTveryTinefficientTinT_________________TremovalT-
TCorrectTAnswer-chloramine
DemineralizationTtreatmentTthatTremovesTbothTpositiveTandTnegativeT
ionsTisTcalledT___________________T-TCorrectTAnswer-deionization
, DemineralizationTtoTremoveThardness-
causingTmineralsTisTcalledT_______________T-TCorrectTAnswer-
softening
InTdeionization,TwaterTcontainingTmineralsTisTpassedTthroughTbothTaT_
_____________TexchangeTresinTandTanT___________________Texchan
geTresinT-TCorrectTAnswer-cation,Tanion
TheTcationTresinThasT___________________TchargedThydrogenTionsTatt
achedTtoTit,TwhileTtheTanionTresinThasT_________________TchargedThy
droxideTionsTattachedTtoTitT-TCorrectTAnswer-positively,Tnegatively
____________________Tions,TbothTpositiveTcationsTandTnegativeTanio
ns,TremainTonTtheTresinTbeadsT-TCorrectTAnswer-Mineral
4TProblemsTwithTDeionizers:T-TCorrectTAnswer--TTaste
-TPoorTqualityTorTshortTrunsTbetweenTregeneration
-TSilicaTleakage
-THighTbacteriaTlevels
RemovalTofTmineralsTcausingThardness,TusuallyTcalciumTandTmagnesiu
m,TisTreferredTtoTasT______________________T-TCorrectTAnswer-
softening