Green Sand
₹ 70
Manganese greensand is a purple-black filter media used for remove the soluble iron, manganese and hydrogen sulfide present in the water.It works by oxidation and filteration method. It also has the capacity of removes the arsenic present in the water. It is processed from the mineral glauconite that is zeolite. Using iron exchange properties of this natural zeolite, a manganese dioxide coating is deposited on the surface of the glauconite grains. The manganese dioxide acts as a catalyst in the oxidation reduction reaction of iron and manganese. The media can be used in two ways: continuous regeneration (CR) and intermittent regeneration (IR).
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 sulfur precipitate. Precipitates are then filtered and removed by backwashing process. 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 so that it restores the oxidizing property. It is required to continuous backwash and regeneration of 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.
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ADVANTAGES :
- Efficiently reduces the excess Iron content
- Effective reduction of hydrogen sulfide
- No harmful effects from a chlorine feed
- Low attrition for long bed life
SPECIFICATION FOR MEDIA
| APPLICATION | IRON REMOVAL |
| PACKING SIZE | 12.5 KG |
| MESH SIZE | 2 to 5mm |
| USED IN | IRON REMOVER |
| MATERIAL | NATURAL STONE |
| USED FOR | WATER TREATMENT |
| PLANTORIGIN | INDIA |
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