Saving Water and Money With Chemical-Free Treatment Technology for Cooling Towers

Overview

Cooling towers are an effective means of rejecting unwanted heat from cooling systems and improving overall energy performance. However, cooling towers consume large quantities of water and require water treatment systems to maintain and manage water quality. New water treatment technologies provide 20–50% water savings and reduce or eliminate the use of hazardous chemicals.

UET Reactors An electrolysis water treatment technology from Dynamic Water Technologies and Universal Environmental Technologies is an example of a water treatment system that eliminates the use of chemicals for most water systems and saves 20–50% of water consumption and 50–95% of the wastewater or sewer discharges. It uses a unique electrolysis system that balances the water chemistry to prevent scale formation, remove historic scale, minimize corrosion, and control biological growth. Beyond the water savings, this system reduces maintenance requirements, extends equipment life, and improves energy performance. Two recent validation studies of this technology in office buildings in Savannah, Georgia and Los Angeles, California showed water and wastewater savings of over 1 million gallons per year with a payback around 5 years. In addition, both sites have seen a strong improvement in water quality and reductions in tower cleaning requirements.

Read the full reports on Savannah, Georgia and Los Angeles, California.

Photos: Top left - UET reactors; Below - LA City Hall cooling tower; Bottom left - DWT reactor scale removal; Bottom right - DWT team installation in Savannah

Los Angeles City Hall Cooling Tower

DWT Reactor Scale Removal photo DWT installing new system at Savannah office building

AWT Savannah Validation Test Case Study

The National Renewable Energy Laboratory tested an alternative treatment technology (AWT) that uses electricity to create a chemical reaction. Researchers found that the system effectively treated the water without the expense of added chemicals and reduced water use by 32%.

AWT Los Angeles Validation Test Case Study

This document provides the results of a measurement and validation study of an alternative water treatment technology from Dynamic Water Technologies, LLC (DWT) and Universal Environmental Technologies (UET) that is chemical free and significantly reduces blowdown water requirements for cooling towers.

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