Raw Water Treatment (Potable Water)
Raw water like surface water, ground water is requiring pre- treatment and post treatment before sued for different industry processes and applications. Disinfection is required to remove microbiological contamination from water.
Purita offers following products in the area of disinfection of raw water;
- TERSUS® Chlorine Dioxide [CLO2] System
- TERSUS® Electro-chlorination [ECP] System
- TERSUS® UV System
- TERSUS® Ozone System
The preferred technologies applied are Chlorine Dioxide / Electro-chlorination in Pre-treatment. In the pre- treatment step, they are usually added post clariflocculator / in clarified water to optimize the consumption and provide effective disinfection of water at the pre-filter level ensuring reliable residual levels in ensuring down-stream filters are free of algae growth and water hygiene is maintained up to filtered water outlet water i.e. potable water for further use.
Similarly, all the above-stated technologies are preferred for the Post-Treatment of final filtered water.
Advantages of Chlorine Dioxide [ClO2] Water Treatment
- ClO2 is a broad-spectrum micro biocide effective over a wide pH range.
- ClO2 provides residual disinfectant in water distribution system.
- ClO2 Oxidizes iron and manganese compounds.
- ClO2 removes colour, odour.
- ClO2 does not hydrolyse in water to form hypochlorous acid (HOCL) like Chlorine.
- ClO2 imparts no taste, color, odour or corrosion at those concentrations used for disinfection.
- ClO2 is effective against all microorganisms including algae, bacteria, bacterial spores, fungi, protozoa and viruses.
