Dynamic Water Technologies (DWT) is a full-service water treatment company specializing in U.S. government tested and validated water saving technologies for cooling towers and other process water systems.
Los Angeles City Hall Technical Report: NREL/TP-5500-73911 August 2019
Juliette Gordon Low Federal Courthouse GPG: Study 044 January 2020
U.S. Dept of Energy Better Buildings Challenge: LABBC Case Study 2022
GSA Report on Dynamic Water Technologies Water Treatment: NREL/ Savannah, GA December 2018
The use of cooling towers for manufacturing processes and comfort cooling for large buildings presents three well known challenges in the safe and efficient management of process water treatment. Scale, corrosion, and bio-contamination are the cause of major problems with commercial and industrial process water systems. Inefficient heat transfer, plugging, and outright failure are all too common. Treatment of all three must be achieved to maintain effective water treatment.
Chemical treatment does not have an answer for changes in makeup water composition or for changes in heat demand.
Many chemical treatments go awry, oscillating between scale forming and corrosion while blooming dangerous amounts of bio-contamination.
Most chemical treatment programs require running low cycles which wastes millions of gallons of water.
Chemical treatment does not have an answer for Silica. Typically, chemical treatment programs will not operate successfully above 150 ppm silica. Electrochemical solutions can handle unlimited silica.
Dynamic Water Technologies (DWT) has developed a patent pending technology that utilizes controlled electrolysis to manage scaling, corrosion, and bio-contamination instead of using hazardous chemicals. The system speeds the natural process of scaling within the controlled environment of reactor chambers where the scale is sequestered for later removal.
The advanced PLC control system continuously monitors changing water conditions and adjusts the process accordingly.
NREL is a national laboratory of the U.S. Department of Energy Office of Energy Efficiency & Renewable Energy.
The U.S. Department of Energy’s High Impact Technology Catalyst program (HIT) Catalyst is designed to help identify, prioritize, and deploy cost-effective, innovative, energy-efficient technology solutions, enabling federal and commercial building owners and operators to make sound investment decisions in next generation technologies based on real-world performance testing.
The DWT technology was deployed on a cooling tower in a large Los Angeles City Hall office building in Los Angeles, California. The baseline performance and DWT system performances were monitored during the 2018 cooling season. A multivariable-linear regression model was developed to estimate annual water savings for 2018. The DWT system saved an estimated 20% or 1.16 million.
The system also removed historical scale from the condenser tubes and cooling tower media.
NREL Conclusions: The DWT system eliminated the need for the use of the scale and corrosion inhibiting chemicals. A small amount of chlorine was added during the first few months of operation as a precautionary measure and was phased out when it was proven that safe conditions were maintained. Removal of calcium and other scale-producing minerals by the DWT system reduced the need for blowdown, which led to an estimated annual water savings of 1.16 million gallons, or 20% of the makeup water. The biological growth and potential for corrosion were also safely maintained by the DWT system through the automated control system.
Result: LA City Hall wins 2020 Innovation Award for Better Buildings
City Hall East achieves 20% water Savings and 85% Reduction in Sewer Charges Through Electrochemical Water Treatment System earning them the prestigious LA Better Buildings Challenge (LABBC) award.
See more about the U.S. Dept of Energy Better Buildings Challenge here
The (GSA) is an agency of the United States Government managing and supporting the basic functioning of federal agencies. GSA develops government-wide cost-minimizing policies and other management tasks. They also are tasked with leading the way in green building design, construction, retrofit and sustainable operations and maintenance.
GSA test conducted for the Juliette Gordon Low Federal Building, Savannah GA
Juliette Gordon Low Federal Courthouse Report 038
Testing and Evaluation of a Chemical- Free Cooling Tower Water Treatment Technology
Scaling in the system can cause blockages to the water flow and reduces system efficiency.
The DSR process creates a controlled, partial electrolysis in the water. This process precipitates unstable, scale forming minerals inside the reactors instead of on heat transfer surfaces in the tower, chiller, and process piping. It will also progressively remove existing scale.
The DWT system consists of a reactor skid, small pump, and controller installed as a side stream to continually treat a portion of the cooling tower water flow. The system uses electrolysis of the water in tubular reactors to create a favorable environment for precipitation of the concentrated minerals within the confines of the tubes. The electrolysis also creates conditions that kill biological growth while maintaining a dynamic balance of relatively high pH and Ca+ ion concentrations to minimize the potential for corrosion.
Corrosion is irreversible and has the highest cost if left untreated. In addition to reducing the life of equipment, corroded surface areas become zones for scale deposition and biomass growth.
The electrolysis process generates a pH gradient within the reactor providing an alkaline, non-corrosive pH at the perimeter of the reactor which allows for the process water to average between 8.5 – 8.9 pH, well within a non-corrosive range.
The electrochemical process continuously generates hypochlorous acid and chlorine without adding any chemicals. The biocide level is adjustable and disinfects the process water, killing algae, viruses, and bacteria, including the pathogenic legionella. Control of biologics protects against biofilm issues.
The electrochemical water treatment has consistently shown to outperform chemical treatment in the control of biologics.
Electrochemical solutions provide for treatment without the need for chemicals. Most of the chemicals typically used in process water treatment are hazardous or toxic and can pose serious risk for spills and injury. Even small spills require immediate attention to mitigate.
PHOENIX – During a candid interview with host Regina Revazova on the Locally Grown in Arizona podcast, Dynamic Water Technologies COO Michael Boyko tells listeners businesses must step up immediately and respond to a growing global shortage of water. “Nearly one third of the world’s population currently is without drinking water,” Boyko notes in a…
For the longest time, industries and commercial businesses have come under fire for employing harmful water treatment techniques. Not only has this proven to be quite harmful for the environment, but it has also cost these organizations a lot of money. This is why there has been a great deal of research and action taken…
With industrial and commercial systems, there are three major concerns. One of these is scaling within pipes, another is corrosion, and the last is bio-contamination. The presence of any of these problems can result in a slowdown of production or an increase in expenses- usually both. Having one issue arise usually compounds the other two,…
Dynamic Water Technologies is constantly monitoring the latest innovations that are affecting water treatment methodology. It’s quite clear that water purification systems have come a long way since dependence on harsh chemicals. We can say that people are now looking beyond conventional cooling tower water treatment. Most companies want to reduce costs and complications associated…
