INAUGURAL HYDOZ TREATS AUTOMATICALLY
CLARKSVILLE WATER TREATMENT PLANT
Application: Primary Disinfection
Owner: Clarksville Light & Water Co
Engineer: McGoodwin, Williams & Yates
Goals: Automated Ozone Treatment | Capable of Treating 24 MGD
In early 2013, planning and design began on the expansion project at the Clarksville Light & Water (CLW) drinking water treatment plant in Clarksville, AR. CLW currently serves a population of 25,000, consisting of residential, industrial, and commercial users. The $10 million dollar design-build expansion would allow the plant to increase the maximum output capacity from 12 to 16 million gallons per day, with key components designed to meet the future 24 mgd plant capacity to accommodate growth of the region. With few operators on staff, the facility also required an automated system, capable of treating the community’s water without operator supervision.
THE CLARKSVILLE LIGHT & WATER COMPANY WAS ABLE TO SAVE MONEY WHILE EFFECTIVELY TREATING 16 MGD USING BLUEINGREEN’S AUTOMATED OZONE DISSOLUTION SYSTEM.
After investigating other alternatives, CLW ultimately decided upon BlueInGreen’s HyDOZ® ozone injection system, the first full-scale installation of its kind, as part of the facilities design-build 16 mgd upgrade. The HyDOZ system pumps a sidestream of water through a saturation vessel to elevate the pressure at which the ozone gas is dissolved, allowing for higher concentrations of ozone at lower water flow rates. The skid-mounted system allowed for simple installation, and the single water inlet and outlet lowered installation and capital expenses for the contractor as well. Because of the pressure and concentration output limitations of the existing ozone generators, the HyDOZ injection skid was sized larger than what would typically be seen with new installations. However, new generators are expected with future plant upgrades, which can provide upwards of 10% weight at a greater pressure than current operations allow. With the increased ozone output, the current HyDOZ system is expected to meet the plant’s disinfection requirements up to 24 mgd.
After setup, training and optimization led by BlueInGreen, the first HyDOZ began operation on June 1, 2015. The integrated disinfection control modes, along with the system’s wireless capability, allow the operators to monitor and control the system from laptops, cell phones and tablets – giving a relatively small staff much-needed flexibility in treatment. By utilizing the world’s most efficient method of dissolving ozone into water and the industry’s only oxygen recovery line, the HyDOZ successfully reduced the plant’s power usage, ozone usage and operational costs.
“ULTIMATELY, THIS PROJECT WAS DESIGNED WITH CLARKSVILLE’S CONTINUED GROWTH IN MIND BY HAVING THE HYDOZ SIZED TO ACCOMODATE CAPACITY NEEDS BOTH TODAY AND IN THE FUTURE. WITH BLUEINGREEN, WE TRULY HAVE ACCESS TO THE NEXT GENERATION OF WATER TREATMENT TECHNOLOGY.”
– PLANT MANAGER
The Clarksville Light & Water company will be able to effectively treat 16 MGD using BlueInGreen’s automated ozone dissolution system while saving money in the process. When the facility eventually expands, the same HyDOZ unit will already be equipped to treat 24 MGD, whether the operators are on site or not.