Clack valves for softeners and filters.
Clack valves for softeners and filters.

Coconut Shell Activated Carbon Automatic System

Coconut Shell Activated Carbon Automatic Control

Carbotecnia's Micro K coconut shell activated carbon equipment is an essential step in the water purification process. They are ideal for the dechlorination and reduction of low molecular weight compounds. Being of vegetable origin and thermally activated, Micro K has a low concentration of soluble matter, compared to mineral coals.

By its nature, Micro K has micropores throughout its surface, capable of adsorbing with greater efficiency low molecular weight organic pollutants that cause tastes and odors in water, or that are harmful for consumption, such as pesticides, disinfection by-products, hydrocarbons, etc. In addition, its high hardness compared to activated carbons of other raw materials, makes it more resistant to erosion, this avoids material losses during operation. This property makes it ideal for use as a pretreatment of softening, demineralising or reverse osmosis equipment; in these processes, the presence of suspended solids, such as carbon particles; it is undesirable. 

Advantage Applications
  • High efficiency in removing chlorine.
  • Granulometry with good screening process to avoid pressure drops or clogging.
  • Low content of fines, for a shorter start-up time.
  • It uses automatic valves for better control of maintenance and backwashing.
  • Industrial process water treatment.
  • Water purification.
  • Reverse osmosis pre-treatment.
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Automatic activated carbon filter

It is a device designed and calculated with activated carbon with a size range of 12 x 40 US Std. Mesh, being smaller than the 8 x 30 US Std. Mesh size, the diffusion speed increases, therefore the speed of dechlorination and adsorption of organic pollutants becomes faster. This means that with a smaller volume of bed we can achieve the same performance of a larger volume bed of a carbon with a larger particle size.

Available configurations:

Simple automatic equipment by time: Carbotecnia dual load single tank equipment, with manual or automatic control valve for backwash by time (every certain number of days or on a certain day of the week). Recommended for domestic or commercial use, and operation less than 23 hours.

Multiple automatic equipment: This configuration is only available for premium valves with industrial control (Clack WS2H and WS3). With this option, up to 16 units can be operated. 

  1. Parallel or duplex equipment: This option allows all the filtration units to operate at the same time, except that one filter in the system is in the backwash stage. This system is programmed in such a way; that when one of the equipment requires backwashing either by time or by pressure drop, the serial backwash sequence of all equipment in the system begins; starting with the one that sent the signal.
  2. Progressive flow equipment: This option is ideal when the demand for water varies and we have peak operating flows at different times of the day. This function consists of setting a flow value at which one or more equipment will come into operation in order to satisfy the required flow. A flow value must be specified for the incorporation of each of the equipment in the system.

Automatic equipment with standard valves (Electromechanical Aquatrol):

Code
Tank size (in)
Bed Volume (ft3)
Cross-sectional area (ft2)
Service flow to dechlorinate (lpm)
Service flow to dechlorinate (gpm)
Service flow to purify (lpm)
Service flow to purify (gpm)
Backwash flow (lpm)
Backwash flow (gpm)
Automatic Valve (Aquatrol)
Input / Output Connections
Drainage Connections
P_630024
8 × 44
0.75
0.35
8
2.2
6.4
1.7
21.2
5.6
AQT-275FT
1"
¾ "
P_630025
9 × 48
1
0.44
10
2.7
8.3
2.2
26.87
7.1
AQT-275FT
1"
¾ "
P_630026
10 × 54
1.5
0.55
16
4.2
12.1
3.2
32.93
8.7
AQT-275FT
1"
¾ "
P_630027
12 × 52
2
0.79
20
5.3
15.9
4.2
47.69
12.6
AQT-275FT
1"
¾ "
P_630028
13 × 54
2.5
0.92
28
7.5
24.6
6.5
55.64
14.7
AQT-275FT
1"
¾ "
P_630029
14 × 65
3
1.07
34
9
28.4
7.5
64.72
17.1
AQT-275FT
1"
¾ "
P_630030
16 × 65
4
1.4
42
11
34.1
9
84.41
22.3
AQT-275FT
1"
¾ "
P_630031
18 × 65
5
1.77
57
15
49.2
13
107.12
28.3
AQT-285FT
1 ½ ”
1"
P_630032
21 × 62
6.5
2.41
76
20
64.3
17
145.72
38.5
AQT-285FT
1 ½ ”
1"
P_630033
24 × 72
9
3.14
102
27
85.5
22.6
190.39
50.3
AQT-315FT
2"
2"
P_630034
30 × 72
14
4.91
159
42
132.5
35
297.12
78.5
AQT-315FT
2"
2"

Automatic filters with premium valves (Clack digital):

Code
Tank size (in)
Bed Volume (ft3)
Cross-sectional area (ft2)
Service flow to dechlorinate (lpm)
Service flow to dechlorinate (gpm)
Service flow to purify (lpm)
Service flow to purify (gpm)
Backwash flow (lpm)
Backwash flow (gpm)
Digital Automatic Valve (Clack)
Input / Output Connections
Drainage Connections
P_630010
8 × 44
0.75
0.35
8
2.2
6.4
1.7
21.2
5.6
Clack WS1
¾ "
¾ "
P_630011
9 × 48
1
0.44
10
2.7
8.3
2.2
26.87
7.1
Clack WS1
¾ "
¾ "
P_630012
10 × 54
1.5
0.55
16
4.2
12.1
3.2
32.93
8.7
Clack WS1
¾ "
¾ "
P_630013
12 × 52
2
0.79
20
5.3
15.9
4.2
47.69
12.6
Clack WS1
¾ "
1"
P_630014
13 × 54
2.5
0.92
28
7.5
24.6
6.5
55.64
14.7
Clack WS1
¾ "
1"
P_630015
14 × 65
3
1.07
34
9
28.4
7.5
64.72
17.1
Clack WS1
¾ "
1"
P_630016
16 × 65
4
1.4
42
11
34.1
9
84.41
22.3
Clack WS1
¾ "
1"
P_630017
18 × 65
5
1.77
57
15
49.2
13
107.12
28.3
Clack WS1.25
1 ¼ ”
1"
P_630018
21 × 62
6.5
2.41
76
20
64.3
17
145.72
38.5
Clack WS1.5
1 ½ ”
1 ½ ”
P_630019
24 × 72
9
3.14
102
27
85.5
22.6
190.39
50.3
Clack WS1.5
1 ½ ”
1 ½ ”
P_630020
30 × 72
14
4.91
159
42
132.5
35
297.12
78.5
Clack WS2 / QC
2"
2"
P_630021
36 × 72
18
7.07
204
54
170.3
45
428.08
113.1
Clack WS2H
2"
2 ½ ”
P_630022
42 × 72
32
9.62
360
95
208.2
55
582.51
153.9
Clack WS3
3"
3"
P_630023
48 × 72
40
12.56
454
120
283.9
75
761.16
201.1
Clack WS3
3"
4"

Components of a filter:

Fiberglass Tank: Manufactured in a single piece with a polypropylene interior lined with fiberglass for mechanical and weather resistance. No need for external maintenance. Maximum operating pressure 150 psi.
Automatic control valve or head: It is the component that passes raw or untreated water through the activated carbon bed, includes inlet, outlet and drain connections; It allows us to switch between the different service or backwash positions, automatically programmed by time. Maximum operating pressure 125 psi.
Granular filter medium: C12 x 40 mesh Micro K coconut shell activated charcoal with a minimum BET surface area of 600 m2/ g.
Lower distributor and distribution tube: The lower distributor or baskets are a micro-grooved element that 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 Support Silica Gravel. By having a micro-grooved distributor, the need to place several gravel beds of different granulometry is eliminated.

Operating conditions:

  • Bed Height (in): 24 - 36
  • Free height for bed expansion (%, min.): 50
  • Hydraulic Service Head to Dechlorinate (gpm / ft2): 3 - 10
  • Hydraulic Service Head for Water Treatment (gpm / ft2): 1 - 6
  • Backwash Hydraulic Head (gpm / ft2): 14 - 16
  • Operating pressure: 30 - 100 psi
  • Backwash: for pressure differential> 10 psid. or by time every 72 hours max.
  • Granular medium life time: 1 to 2 years
  • Prefiltration: 5 𝛍m

Data sheet

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