AK47
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| Medium volume, liters | Medium quantity, bags |
Purpose
A filter material intended for organic and chemical adsorption; it is efficient in reducing chlorine content in water and removing the organic impurities. Improves the organoleptic properties of water. Removes the contaminants such as chlorine, chloramines, trace amounts of arsenic, lead and some other heavy metals.
Description
The fine-pored coconut shell charcoal.
Equivalents
The equivalents include NWC Carbon, NWM, etc.
Specifications
- Type Granulated
- Particle size (mesh) 1.7 - 0.4 mm (12*40)
- Iodine value 1100 mg/g
- Surface area 1250 m²/g
- Bulk density 0.49 g/cm3
- Ash content 4 %
- Package 50 l
- Bed height 60 – 90 cm
- Filtering rate 12 m/h
- Back washing rate 24-29 m/h
- Bed expansion in the back flow mode 30 – 40%
- The minimum “free space” 40 %
The requirements for raw water
| pH range | pH 6.0 - 9.0 |
| Temperature | From 5°С to 35°С |
| Total iron | none |
| Total manganese | none |
| Clay, loam | none |
| Hydrogen sulphide | allowed |
| Sulphides (by H2S) | less than 0.2 mg/l |
| Free chlorine concentration | allowed |
| Carbon oxide CO | none |
| Oil products | none |
| Colloidal silicic acid | none |
Recommendations for use
This filter material is recommended to be used after clarifying filters in order to reduce the load on it.
Service life of the media is up to 1 year.
Commissioning and operation
Before operation, the media should be washed with water back flow. Washing is required at least once every 7 days.
Package
AK47 is packaged in convenient 50 l bags ± 25 kg, 20 bags per pallet
Specifications
- Type Granulated
- Particle size (mesh) 1.7 - 0.4 mm (12*40)
- Iodine value 1100 mg/g
- Surface area 1250 m²/g
- Bulk density 0.49 g/cm3
- Ash content 4 %
- Package 50 l
- Bed height 60 – 90 cm
- Filtering rate 12 m/h
- Back washing rate 24-29 m/h
- Bed expansion in the back flow mode 30 – 40%
- The minimum “free space” 40 %