Aquapro is the world’s finest purification system based from Dubai UAE. Our residential and commercial water quality improvement products include a wide range of reverse osmosis systems & residential water testing supplies.

1. 12/22/17 Water filtration 1
FILTRATIONFILTRATION
 Settling does not remove
all flocs – further
treatment is required
 Filtration provides the
additional opportunity for
separation of small flocs
or particles
 This presentation is an
introduction to filtration
technology concepts
http://aqua-pro.ae
#water_purifier

2. 12/22/17 Water filtration 2
Overview of solid-liquid separation alternatives in water
Direct
Filtration
http://aqua-pro.ae
#water_purifier

3. 12/22/17 Water filtration 3
(precoat filtration)
or expanded perlite
http://aqua-pro.ae
#water_purifier

4. 12/22/17 Water filtration 4
http://aqua-pro.ae
#water_purifier

5. 12/22/17 Water filtration 5
Particle size (micron)
http://aqua-pro.ae
#water_purifier

6. 12/22/17 Water filtration 6
Filtration Mechanisms
 Important to understand the
mechanisms
 Settling, adsorption and diffusion
 Not much screening
http://aqua-pro.ae
#water_purifier

7. 12/22/17 Water filtration 7
http://aqua-pro.ae
#water_purifier

8. 12/22/17 Water filtration 8
A B
C
http://aqua-pro.ae
#water_purifier

9. 12/22/17 Water filtration 9
http://aqua-pro.ae
#water_purifier

10. 12/22/17 Water filtration 10
http://aqua-pro.ae
#water_purifier

11. 12/22/17 Water filtration 11
http://aqua-pro.ae
#water_purifier

12. 12/22/17 Water filtration 12
2-4 gpm/ft2
18-40 thou 1.6-3.3 ft
0.5-2 thou1-3 gpm/ft2
Filter Classification by Filtration Rate
http://aqua-pro.ae
#water_purifier

13. 12/22/17 Water filtration 13
http://aqua-pro.ae
#water_purifier

14. 12/22/17 Water filtration 14
Diagrammatic layout
of sand filters
http://aqua-pro.ae
#water_purifier

15. 12/22/17 Water filtration 15
Typical multimedia filter
http://aqua-pro.ae
#water_purifier

16. 12/22/17 Water filtration 16
Construction details of sand filters
http://aqua-pro.ae
#water_purifier

17. 12/22/17 Water filtration 17
Construction details of sand filter
http://aqua-pro.ae
#water_purifier

18. 12/22/17 Water filtration 18
http://aqua-pro.ae
#water_purifier

19. 12/22/17 Water filtration 19
Filter operation
http://aqua-pro.ae
#water_purifier

20. 12/22/17 Water filtration 20
http://aqua-pro.ae
#water_purifier

21. 12/22/17 Water filtration 21
Some examples
of layout and
construction
details
http://aqua-pro.ae
#water_purifier

22. 12/22/17 Water filtration 22
Multimedia filters
http://aqua-pro.ae
#water_purifier

23. 12/22/17 Water filtration 23
http://aqua-pro.ae
#water_purifier

24. 12/22/17 Water filtration 24
http://aqua-pro.ae
#water_purifier

25. 12/22/17 Water filtration 25
http://aqua-pro.ae
#water_purifier

26. 12/22/17 Water filtration 26
http://aqua-pro.ae
#water_purifier

27. 12/22/17 Water filtration 27
PRESSUREPRESSURE
FILTERSFILTERS
http://aqua-pro.ae
#water_purifier

28. 12/22/17 Water filtration 28
http://aqua-pro.ae
#water_purifier

29. 12/22/17 Water filtration 29
1.Overflow
2.Filter Influent
3.Coarse Media
4.Fine Media
5.Filtrate Nozzles
6.Filtrate Chamber
7.Level Controller
8.Filter Reject
9.Wash box
10.Counter-Current Washer
11.Airlift
12.Central Feed Chamber
13.Actuated Valve
http://aqua-pro.ae
#water_purifier

30. 12/22/17 Water filtration 30
Slow Sand Filtration
http://aqua-pro.ae
#water_purifier

31. 12/22/17 Water filtration 31
Slow Sand Filter Cleaning
http://aqua-pro.ae
#water_purifier

32. 12/22/17 Water filtration 32
Slow Sand Filter Underdrain
http://aqua-pro.ae
#water_purifier