Deep bed world filter with multimedia bed

Deep bed filtration with multimedia bed (anthracite, sand and garnet) with manual control

The Carbotecnia multimedia loaded filter is the best option when looking to obtain high filtration efficiency, in addition to having a high capacity to retain suspended solids compared to conventional dual and sand filters.

Advantage Applications
  • High efficiency in the retention of suspended solids.
  • Filtration between 5 - 10 microns.
  • Multimedia filters have a higher solids holding capacity than conventional dual and sand filters
  • Drinking water filtration.
  • Pretreatment for reverse osmosis
  • Filtration of make-up water to cooling systems
  • Retention and reduction of particles suspended in the water.

The manual deep bed filter with multimedia bed

It is a simple equipment of a single tank with Carbotecnia dual load and manual control valve. Recommended for domestic or commercial use, and operation less than 23 hours.

With this filter you can obtain a solids filtration efficiency of between 5-10 microns. This is achieved by positioning the granular media in such a way that the size of the voids (pores) decreases along the depth of the filter. Where, the largest particles are captured by the number one anthracite with an effective size (TE) of 0.85 - 0.95 mm. The rest of the particles that manage to pass the anthracite bed are captured by the 16 x 35 US Std. Mesh silica sand bed with TE of 0.44 - 0.52mm, and finally the garnet bed number 30 - 40 with TE of 0.33 - 0.37 mm. 

The support medium used in this filter is a combination of ¼ x ⅛ US Std. Mesh silica gravel and garnet number 8 -12 that is placed on top of the silica gravel bed, this material is called high gravel. density. This arrangement is necessary because garnet 30 - 40 is a denser material than silica gravel. Failure to place the high-density gravel causes the garnet of the lower bed and the silica gravel to mix at the time of backwashing.   

The granular media used in Carbotecnia multimedia fillers are carefully selected in accordance with the quality parameters specified by the AWWA in the B-100 standard.

Code
Tank size (in)
Bed Volume (ft3)
Normal service flow (lpm)
Normal Service Flow (gpm)
Maximum service flow (lpm)
Maximum service flow (gpm)
Backwash flow (lpm)
Backwash flow (gpm)
Manual valve
Input / Output Connections
Drainage Connections
P_610001
8 × 44
0,75
8
2,1
10,6
2,8
26,5
7
Purago F1
1"
1"
P_610002
9 × 48
1
10
2,6
13,3
3,5
34,07
9
Purago F1
1"
1"
P_610003
10 × 54
1,5
12
3,3
16,7
4,4
37,85
10
Purago F1
1"
1"
P_610004
12 × 52
2
18
4,7
23,9
6,3
56,78
15
Purago F1
1"
1"
P_610005
13 × 54
2,5
21
5,5
27,9
7,4
71,92
19
Purago F1
1"
1"
P_610006
14 × 65
3
24
6,4
32,4
8,6
83,27
22
Purago F2
2"
2"
P_610007
16 × 65
4
32
8,4
42,4
11,2
109,77
29
Purago F2
2"
2"
P_610008
18 × 65
5
40
10,6
53,6
14,2
140,05
37
Purago F2
2"
2"
P_610009
21 × 62
7
55
14,5
73
19,3
166,54
44
Purago F2
2"
2"

Components of a filter:

Fiberglass tankMade from a single piece of fiberglass coated for mechanical strength and a polyethylene inner jacket. It is maintenance free. Max pressure operating pressure 150 psi.
Head or manual control valve: It is the component in which the inlet, outlet and drain connections are made; It allows us to change between the different service or backwash positions, manually. Max pressure operating pressure 125 psi.
Granular filter medium: Granular filter medium: it is a bed made up of, anthracite number one with TE of 0.85 - 0.95 mm, silica sand 16 x 35 US Std. Mesh with TE of 0.44 - 0.52mm and garnet number 30 - 40 with TE of 0.33 - 0.37 mm .
Lower distributor and distribution tube: The distributor is a micro-grooved element, which is placed in the lower part of the tank, this allows a correct distribution of the flow in the backwash position, and operates as a physical barrier that does not allow the leakage of the granular medium to the outlet line , in the service position. There are simple distributors, stack type or distributors with lateral tubes, spider type; their selection depends on the flow of service and backwash, as well as the diameter of the tank. Its construction material is HDPE or ABS. The central tube is a Ced PVC tube. 40 connecting the lower distributor with the head or control valve.
Support gravel: 1/8 x 1/16 US Std. Mesh silica gravel as support medium. By having a micro-grooved distributor, the need to place several gravel beds of different granulometry is eliminated to avoid the loss of material.

Operating conditions:

  • Input pH: 3-12
  • Bed Height (in): 30 - 40
  • Free height for bed expansion (%, min.): 50
  • Hydraulic Service Head (gpm / ft2): 7-10
  • Backwash Hydraulic Head (gpm / ft2): 20 - 22
  • Operating pressure: 30 - 100 psi
  • Backwash: by pressure differential> 10 psid or by time every 72 hours max.
  • Life time of granular medium: 3 to 5 years

 

 

Data sheet

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