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Filtration plant :

The process of filtration involves the flow of water through a granular bed, of sand or another suitable media, at a low speed. The media retains most solid matter while permitting the water to pass. The process of filtration is usually repeated to ensure adequate removal of unwanted particles in the water. It is the oldest method of filtration but still widely used in municipal water treatment plants today.

Different media & Different techniques are used for removal of mechanical impurities, Clayey turbidities, Colloidal, dissolved impurities, organic matter, detergents, polycyclic aromatics, coloring substances, oils and aliphatic hydrocarbons etc. which impart taste or odour, polyvalent heavy-metal compounds, germs and bacteria.

Unitech offer a wide range of filtration systems standardised on the basis of


specific velocities for each type of filter. Filters are available with single 5-way valve operation & multiple valve operation depending on the flow rate & the application. Filters are available in MS (painted), FRP & HDPE construction.

Types of Filters :
  • Pressure Sand
  • Activated Carbon
  • Dual Media
  • Bag
  • Micron Cartridge
  • Iron removal

Media Selection Guide :
To Remove Use Media
Turbidity, Suspended solids Sand Filter, Multi Grade Filter
Chlorine Carbon Filter
Taste/Odor Carbon Filter
Sediment Multi Media Filter
Iron Pyrolox, Manganese Greensand
pH (neutralize) Calcite