Calcite filter media

KODI: CALCITE

Calcite filter media

Parametrat

Kapaciteti depërtues

1.44 g/cm³

Rikthimi

%

Maximum TDS

mg/L

Kërkesa për rrjedhje ndikuese

m³/h

Presioni operimit

bar

Konsumi i energjisë

kw

Parametrat

name

mm

Calcite is a filter media based on natural calcium carbonate (CaCO3). Used in filters to neutralize acidity and increase pH level. It is most effective at low water flow rate.

Tiparet kryesore

  • Natural material
  • Low uniformity coefficient ensuring maximum contact with treated water
  • Low operating costs
  • Low neutralization rate and consequently possibility to control the pH adjustment process

Specifikat

Technical characteristics

  • Color – lighty grey
  • Bulk density – 1.44 g/cm3
  • Specific gravity – 2.7 g/cm3
  • Uniformity coefficient – 1.5
  • Bead size 0.42-1.17 mm

Operating conditions

  • A gravel support bed is recommended
  • Water pH range – 5.0 – 7.0
  • Bed depth – 61-76 cm (24-30 in.)
  • Freeboard – 50% of bed depth (min.)
  • Backwash rate – 8-12 gpm/sq. ft.
  • Backwash Bed Expansion – 35% of bed depth
  • Service flow rate – 3-6 gpm/sq. ft. but may be modified to adapt to localconditions

How it works

During contact with Calcite water with lower pH slowly dissolves calcium carbonate until an equilibrium pH value is reached, when its corrosive activity is reduced.

Regular backwash of the neutralizing media prevents its caking and prolongs the service life.

The media is being gradually dissolved within the operating mode, so its volume should be regularly replenished. Frequency of the refill depends on composition of the treated water, its pH, as well as on the efficiency of the neutralizing filter.

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FORMULARI I KËRKESËS: Calcite filter media