Water Clarification and Media Filtration: Dechlorination

PROVEN AND COST-EFFECTIVE TREATMENT METHODS FOR TYPICAL WATER POLLUTANTS: TURBIDITY, IRON, MANGANESE, ARSENIC, PESTICIDES, ETC..

Dechlorination and organics/pesticides removal by GAC

Data Sheet GAC (granular activated carbon) filtration
Feed Flow
5 - 200 m3/h
Raw Water Turbidity
< 10 NTU
If turbidity > 10 NTU floculation + sedimentation is recommended
EBCT
1- 10 min
Filtration Rate
10 - 20 m/h (m3/h per m2)
Working Pressure
2 bar - 8 bar
Filter Diameter
0.3 - 3 m
Filter Height
1.1 - 3 m
Vessel Materials
FRP filament winding
Backwash options
Manual
Automatic (Timer)
Automatic (diff Pressure)

Granular activated carbon (GAC) has a strong attraction for organic compounds and other non-polar contaminants in water and adsorbs them onto the carbon surface.

Typical uses:

Dechlorination: GAC has the ability to reduce chlorine from an oxidizer (NaOCl) to a salt (NaCl) by taking away the reactive oxygen.

Removal of taste, odour, colour, organics etc: GAC (granular activated carbon) is widely used to reduce undesirable taste, odour and colour and to improve the safety of drinking water by also effectively removing common disinfection byproducts (THMs), organic contaminants like chlorinated solvents and other industrial pollutants, pesticides

Removal of selected heavy metals:  such as lead and mercury.

Radon removal: GAC has been shown to achieve greater than 90% reduction of radon from treated drinking water.  It is recommended though that media be replaced at least once a year.

 

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*(1) All data for information only and subject to change based on actual water analysis and final design parameters

Media Filtration

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Contact Info

  • sales@alscore.com.au
  • 1300-74-20-10
  • Level 5, 203-233 New South Head Rd, Edgecliff, NSW 2027