Water treatment presentation

1. WATER TREATMENT I.E.S. La Minilla (Las Palmas G.C.) Year 2010-2011 Class: 2º PCE Estética

2. AIM Tocarryout a series of stepstocleanthewater in thelaboratory, thesame as some of theprocessesthattake place in a watertreatmentfacility. Dirtywater Cleanwater

3. SCISSORS COARSE GRAVEL MATERIALS CHEESECLOTH SAND BOTTLES HOSE FINE GRAVEL CONTAINER SPADE ACTIVATED CHARCOAL COTTON SOIL

4. Webeginpreparing “dirtywater” mixingtapwaterwithsoilfromgardens.

5. Weobtainapproximately 6 liters of “dirtywater”

6. Weleavedthedirtywaterto stand 20 minutes and thenwe can tellthedifferencebetweenthephases. (sedimentation) Surface Bottom

7. Afteroneday of sedimentation, thematerialswithlowerdensitythanwaterstayonthesurface, and thematerialswithhigherdensitysinktothebottom. Surface Bottom

8. Weremovethematerialsfromthesurface and thebottomextractingtheinterphase.

9. Weaddactivatedcharcoaltoeliminatesmallpollutants. BEFORE AFTER

10. Wemakefilterswithplasticbottlesfilledwithdifferentfilteredmaterials: gravel, sand, fabric, etc..

11. Wecleanthefiltersbeforewe use them.

12. Webegintofilter.

13. Weanalysethefilteredwater and choosethebestones. CONTROL WINNER 3º PLACE 2º PLACE

14. Thenextactivitywillbetovisit a watertreatmentplant and seehowitworks.

15. 2º PCE PELUQUERÍA Y ESTÉTICA