There are four types of Filters
  • Pressure Sand Filter
  • Dual Media Filter
  • Multi Grade Filter
  • Activated Carbon Filter
 PRESSURE SAND FILTER

ZION Pressure Sand Filters are used where the raw water contains high rate of suspended particles and turbidity.

Applications

  • Surface water filtration like sea water and river water.
  • Waste water treatment.

Specifications

  • One vertical mild steel pressure vessel with dished end, internally painted with epoxy. Mild steel vessel will be given two coats of red oxide primer on the outside.
  • One set of internals for the above comprising of raw water distribution and treated water collecting system.
  • One complete set of frontal pipe work with valves.
  • One charge of filtering sand.
  • One set of inlet and outlet pressure gauges and sample valve.
DUAL MEDIA FILTER

ZION Duel Media Filters are used where the raw water contains suspended particles, turbidity and iron.

Applications

  • Side stream filtration of cooling water and in potable water treatment.
  • Waste water treatment.
  • Pre Treatment of Reverse Osmosis.

Specifications

  • One vertical mild steel pressure vessel with dished end, internally painted with epoxy. Mild steel vessel will be given two coats of red oxide primer on the outside.
  • One set of internals for the above comprising of raw water distribution and treated water collecting system
  • One complete set of frontal pipe work with valves
  • One charge of filtering sand and anthracite.
  • One set of inlet and outlet pressure gauges and sample
MULTI GRADE FILTER

ZION Multi Grade Filter is a depth filter that makes use of coarse and fine media mixed together in a fixed proportion. This arrangement produces a filter bed with adequate pore dimensions for retaining both large and small suspended particles.

Special Features

  • Higher Specific velocity.
  • Raw water can be used for backwashing the filter.

Applications

  • Side stream filtration of cooling water and in potable water treatment.
  • Filtration of clarified water.
  • Sear water filtration and chemical filtration.
  • Waste water treatment.
  • Pre Treatment of Reverse Osmosis.

Specifications

  • One vertical mild steel pressure vessel with dished end, internally painted with epoxy. Mild steel vessel will be given two coats of red oxide primer on the outside.
  • One set of internals for the above comprising of raw water distribution and treated water collecting system
  • One complete set of frontal pipe work with valves
  • One charge of filtering sand.
  • One set of inlet and outlet pressure gauges and sample valve.

ACTIVATED CARBON FILTER

Applications

  • De-chlorination of water for industrial/drinking water applications.
  • Removal of organic matters from water.
  • Pre Treatment for Reverse Osmosis.
  • Removal of colour and odour

specifications

  • One vertical mild steel pressure vessel with dished end, internally painted with epoxy. Mild steel vessel will be given two coats of red oxide primer on the outside.
  • One set of internals for the above comprising of raw water distribution and treated water collecting system
  • One complete set of frontal pipe work with valves
  • One charge of activated carbon.
  • One set of inlet and outlet pressure gauges and sample

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