Treatment of drinking water

Affiche WatasolWater which is possibly contaminated can be made potable by adding a small dose of chlorine. The strong oxidising power of the chlorine will destroy all pathogenic germs. The water will be drinkable after 30 minutes.

However, producing potable water requires an efficient, safe and economical quality control. The World Health Organisation (WHO) has strict standards regarding the concentration of residual chlorine in drinking water, and these must be met. Antenna Technologies has therefore developed WataBlue™, a low-cost and non-toxic reagent, affordable to people of any income.

Despite its simplicity, producing potable water with WATA for a community entails a large responsibility. Its implementation must therefore imperatively be at the only charge of skilled people, who have been trained for that purpose. Antenna Technologies makes available, on its website, all necessary documents for a specific training on the production and use of active chlorine.

Residual chlorine in treated drinking water

asdfThe maximum permitted residual chlorine in drinking water should be between 0.5 mg/l and 1 mg/l, to be measured 30 minutes after the addition of chlorine. This allows:

  1. a check that all germs have been eliminated
  2. a safety margin against possible new contamination after treatment. It only works if the treated water is kept in a clean, closed receptacle.

With the WataBlue™ reagent, anyone is able to measure the residual chlorine in drinking water.

Disinfection and cleaning

The active chlorine concentrate solution produced with WATA devices can also be used as a disinfectant. 

In diluted form, it can be used for cleaning latrines, disinfecting kitchen utensils and surfaces, or even washing rough fruits and vegetables. It can also be used for disinfecting laboratory equipment.

Disinfection & cleaning

Moreover, the concentrate is similar to Dakin’s solution, a neutral disinfectant, and can be used directly for cleaning wounds.

The WATA device is therefore an indispensable tool for households, hospitals, community clinics and other health centres.