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BlueInGreen to provide pH Adjustment for the City of Minneapolis

Water treatment company to install carbon dioxide dissolution system at the Fridley Softening Plant in spring 2017

Fayetteville, Ark. (PRWEB) December 15, 2016

Water treatment company BlueInGreen will provide pH adjustment for the City of Minneapolis. Twin CDOX® units, each designed and built by BlueInGreen exclusively for the Minneapolis Public Works Water Treatment and Distribution Services Division, will provide the world’s most efficient and cost-effective carbon dioxide dissolution system to the Fridley Softening Plant in spring 2017.

The upcoming project is the culmination of several years of site-specific research and development conducted by the City of Minneapolis and BlueInGreen, represented in Minnesota by S. Roberts Co. Operators began piloting BlueInGreen’s CDOX system at the Fridley Softening Plant, which feeds both the Fridley Filter and Columbia Heights Membrane Plants, in 2012. During the pilot process, the CDOX used 40 percent less carbon dioxide than the city’s existing system.

“The chemistry between the City of Minneapolis, CH2M Hill and BlueInGreen was perfect from the pilot to the design, all the way down to the final selection,” said Stephen Roberts, President of S. Roberts Co. “The process started with a successful full-scale trial and ended with a winning bid.”

The City of Minneapolis partnered with CH2M Hill, an Engineering News-Record (ENR) Top 500 Design Firm, to assist in updating its treatment facility. During the bid evaluation process, the design team at CH2M Hill considered various factors, such as upfront expenses, life-cycle costs and overall system performance. Ultimately, the City of Minneapolis and CH2M Hill selected BlueInGreen’s CDOX over conventional competitors due to its unparalleled efficiency and long-term value.

“We’re always excited to have our technology selected,” said Darryl Fendley, Director of Engineering and Product Manager at BlueInGreen. “But being picked by CH2M Hill is special. It really validates the years of work that our teams at Fridley and BlueInGreen each took to ensure this project would be a success.”

Featuring the smallest sidestream flow rates and lowest pumping costs on the market, the dual CDOX units will offer operators at the Fridley Softening Plant unparalleled treatment control while automatically stabilizing pH levels for Minneapolis’ water supply. This highly efficient, industry-leading capability is expected to reduce carbon dioxide costs, power consumption and water usage for the 160-MGD rated facility.

“The CDOX is the industry standard for pH adjustment,” said BlueInGreen National Sales Manager Thomas Sichz. “Our systems have been proven time and again to save municipalities and private companies millions of dollars year after year. We expect nothing less for the Fridley Softening Plant.”

Established as a single-pump station fed by the Mississippi River in 1867, the Minneapolis Public Works Water Treatment and Distribution Services Division has grown into one of the nation’s most expansive and progressive water treatment facilities, providing water to more than 500,000 residents. The city is currently in the process of updating its infrastructure to better serve the community in the future by implementing state-of-the-art analytical tools, as well as adopting more advanced technologies.

“The City of Minneapolis has a long history of putting its residents’ needs first,” said BlueInGreen CEO Chris Milligan. “We’re proud to work alongside a facility that embraces cost-effective technology, and we look forward to being part of the city’s ongoing modernization effort for years to come.”

BlueInGreen, LLC is a water treatment company that provides the world’s most efficient method of delivering dissolved oxygen, carbon dioxide and ozone into water. The company offers cost-effective solutions for aeration, pH adjustment, oxidation and odor control. The Minneapolis project will include BlueInGreen’s 30th commercial unit and marks a significant milestone in the company’s history and growth. For more information, visit

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