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WATER TREATMENT. Alba Escoruela Valeria Gil Daniel Martí. INDEX. Water treament process Main water treatment plants Pinedo’s water treatment plant El Saler’s water treatment plant Quart-Benàger’s water treatment plant Statistical figures. Water treatment PROCESS. PRETREATMENT
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WATER TREATMENT Alba Escoruela Valeria Gil Daniel Martí
INDEX • Watertreamentprocess • Mainwatertreatmentplants • Pinedo’swatertreatmentplant • El Saler’swatertreatmentplant • Quart-Benàger’swatertreatmentplant • Statistical figures
PRETREATMENT In thefirststep a progressiveselectionismadetoeleminatetheforeignbodieswhich are in thewater. Chlorine gas ordilutedpermanganatepotassium are used in thefirstphase of cleaning.
DECANTATION Once thewaterisfocculated, itgoestothesedimentationcontainers. They are calleddecanters, wheretheflocs are separatedbecause of thegravityaction. Themudsettled at thebottom of thedecanterisextractedthroughthepurge line.
Themudfromthepurge of thedecanters, as well as thewashingfilters are carriedtothemudthickener. Theconcentratedsludgeispumped up to a centrifigalequipmentwhichallowsto reduce theamount of waterwhichis in thesludge, therebythevolume of waterisreduced and itmakeseasiertohandle and itstransportischeaper.
DESINFECTION AND PUMPING At theend of theprocesswaterisproviedwithchlorinedosagetoensureitisdrinkable. Finally, waterispumpedtothenetworkwaterdistribution.
SOME STATISTICAL FIGURES In the chart correspondingto 2007, Spainisone of thelastcountries in watertreatment. However, nowadaysthey are doing new plants and more moneysisinvestedtomakewaterdrinkable and treatedwaterisused more frequently.