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Chemicals can be 'the' Under-Rated Threat

Collected heat generated through cooling towers gets transferred to the atmosphere as per evaporative cooling principle. Lots of water is required to create this effect and due to continuous evaporation lot of challenges are faced by customers, such as:

  • Excess water loss through blow down
  • Scaling, corrosion and fouling
  • Reduced cooling efficiency
  • Increased downtime
  • High electricity and water consumption
  • Breeding ground for harmful bacterias

Why use Chemical Free Treatment?

Conventional chemical treatment needs storage, handling, and scheduling dosing of hazardous chemicals which is manpower-intensive and have a risk of inaccuracies in managing water quality in the absence of extensive monitoring. Chemical free system uses electrochemical technology which provides tremendous benefits, such as:

  • Saves water
  • Higher cycle of concentration
  • Saves up to 60% on operational costs
  • Fully automatic
  • Reduced risk of legionella
  • In-built side stream filter
  • No hassle of chemicals
  • Green technology
  • Attractive ROI
  • No softener required

How it works?

In an electrochemical reactor, a highly alkaline environment created at cathode removes excessive scale-forming ions which in turn creates very strong oxidizers at anode thus removing the risk of fouling. LSI maintains corrosion-free/scale-free/fouling free and bacteria-free water.

The electrochemical reactor is connected to the cooling system or the cooling tower via a circulation pump externally. The system is installed swiftly without any intervention. Also, the system is in integration with a sidestream filter. The water is circulated from the cooling tower basin to the reaction tank and back to the cooling tower through integrated sidestream filter.

Why Choose Chemical-Free Cooling Water Treatment Over Conventional System?

S.No Description Conventional-Chemical Treatment Chemical Free Treatment
1 Treated wastewater use Chances of organic load & related challenges * Strong oxidizers produced/ Good for treated water
2 Water softening need Hardness limit <50ppm (as per ASHRAE) Hardness limit <50ppm (as per ASHRAE)
3 Acid Dosing Acid dosing practiced for balancing pH Self balancing
4 Chlorine Dosing For protection of bacterial/microbial growth No need as strong oxidizers generated on anode chlorine generation
5 Antiscalant Required for scale protection - High alkalinity at cathode precipitates scale producing ions -LSI maintained in the highly safe zone
6 Biocide Needed for protection against fouling No need as anode producing very strong oxidizers
7 Anti-Corrosion Needed to protect against corrosion No need as LSI is continuously in safe zone
ROI over both the options:
(I) Manual dosing with weekly visit by chemical supplier
(II) Automation/Remote monitoring with chemical dosing

Why partner with Wapp?

  • Experienced water partner for lifecycle support
  • PAN India service network
  • One stop solution for your water/wastewater challenges
  • Unmatched technical support by our Wapp’s dedicated design and engineering team

Who We Are?


Two decades/Incubated with the help of IIT-Delhi in 1996.

Sectors Served

Hospitality, Urban, Chosen Industrial & Municipal


Total Water Management and Sustainability


Total Water Management, International Technology Tie ups, IoT


Water  Security/Sustainability, Water Footprint Reduction, Improvement in Sustainability Score Card

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