WATER TREATMENT >> WATER FILTER MEDIA


KDF
KDF is a kind of compound of brass and zinic particles


Resin

 Resin is a usual water treatment to soften or remove calcium and magnesium ion from water.

Filter sand Sodium
FILTER SAND
Mainly used on medium or large systems to remove suspending impurities; the filter sand after coagulator can remove many particle impurities. Filter should often be reverse flushed, and reverse washing flow should make filter sand effectively clean and smooth.

Polyphosphate
Sodium polyphosphate
It's main use:
1.To avoid pipe scale formation,especially hot water pipe.
2.To avoid pipe corrosion

Aluminite
Aluminite
Aluminite can effectively adjust mineral substance to supplement mineral substance of filtrating water out from RO membrane.

Mineralized ball
Mineralized ball
Far infrared mineralized ball can release tittle far infrared ray to improve quality and smell of water.It is usually used as RO postpositive filtration.





Activated carbon
Activated carbon takes advantage of its multihole structure on surface to absorb chemicals, organic pollution source, color and smell from water. Generally less activated carbon volumn, more surface area. And of course more excellent absorbability when you choose activated carbon as filter media, you should pay much attention to its feature more pressure loss.
Superfine coconut shell activated carbon adopted by KOCHIN can be used on different occasion such as drinking water treatment, potable water treatment, aquarium, family or factory use. Acid washed and unwashed coconut shell activated carbon from size 6x12(for large system use) to 20x50 (for family use).

 

 Birm
Birm is an efficient media that acts as a catalyst to enhance the reaction between dissolved oxygen in water and iron compounds. Birm is insoluble and is not consumed during operation giving it advantage over other iron removal media.

Calcite
Calcite is a crushed and screened white marble media which can inexpensively be used to neutralize acidic or low PH waters to a neutral, less corrosive effluent.It is a naturally occurring material.It provides slower reaction for controlled PH correction.

Corosex
Corosex being a reactive magnesium oxide is used most effectively where PH correction is substantial or high flow conditions are in use . Corosex can be effectively combined with calcite to combine the high flow neutralization properties of corosex., along with the slower reaction low flow properties of calcite.

Filter-AG
Used for the removal of dirt, sediments and suspended matter. This media is lighter in weight and requires less backwash rate and less square foot filtration area. The pressure drop across the filter bed is lower than other filer media.

MTM
MTM is a newly developed media specially prepared for the removal of oxidized iron, soluble iron, manganese compounds and hydrogen sulfide. It can be used with a wide range of influent water PH(6.2-9.0) and creates a low pressure drop across the filterbed
 


Maganese Greensand
For reduction of iron, manganese, and hydrogen sulfide

Advantages:

  • Iron reduction over wide pH range
  • Effective reduction of hydrogen sulfide in addition to iron and/or manganese
  • No harmful effect from a chlorine feed
  • Low attrition for long bed life

Manganese Greensand is formulated from a glauconite greensand which is capable of reducing iron, manganese and hydrogen sulfide from water through oxidation and filtration. Soluble iron and manganese are oxidized and precipitated by contact with higher oxides of manganese on the greensand granules. The hydrogen sulfide is reduced by oxidation to an insoluble sulfer precipitate. Precipitates are then filtered and removed by backwashing. When the oxidizing capacity power of the Manganese Greensand bed is exhausted, the bed has to be regenerated with a weak potassium permanganate (KMnO4) solution thus restoring the oxidizing capacity of the bed. 1-1/2 to 2 ounces of potassium permanganate, in solution, per cubic foot of Manganese Greensand is considered sufficient for normal regeneration. It is required to vigorously backwash and regenerate the bed when it is placed in service and before its oxidation capacity is totally exhausted. Operating the bed after oxidation capacity is exhausted will reduce its service life and may cause staining.

Manganese Greensand is capable of removing up to 15 ppm of iron and manganese and 5 ppm of hydrogen sulfide. The pH level must be between 6.2 and 8.8 and must be regenerated with potassium permanganate.
 
 
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