Houston - May 9, 2018 — De Nora, a leading designer of safe, innovative, and sustainable water disinfection and oxidation, filtration and electrochlorination solutions, has completed delivery of eight ClorTec® mobile disinfection systems to treat frack water at different sites in the Permian Basin. As part of the hydraulic fracturing process to release onshore oil and natural gas from shale, water must be disinfected shortly before going downhole to prevent growth of anaerobic, iron-consuming bacteria and other microorganisms. De Nora worked in conjunction with its partner, Neptune Solutions Company to provide fully equipped disinfection trailers, each with a ClorTec® CT-DN on-site hypochlorite system, tanks, dosing pumps, analyzers, HVAC and a small lab. Each containerized system has the capacity to generate up to 1,500 pounds per day of a 0.8% sodium hypochlorite disinfection solution, a chlorine equivalent, using three common consumables: salt, water and electricity. This is sufficient to treat upwards of 235,000 barrels of frack water per day, per unit.
“We are thrilled to be providing the oil and gas industry with reliable, cost-effective disinfection for their fracking operations in a complete packaged solution,” said Bryan Brownlie, managing director, De Nora Water Technologies Texas, LLC,. “Working together with Neptune Solutions Company, our end users are getting an exceptional, trouble-free product and outstanding personal service. These trailers are disinfecting very effectively with essentially zero bacteriological activity, for months after the frack fluids are pumped.”
Since 1995, ClorTec® on-site sodium hypochlorite generation systems have been designed, delivered and installed to disinfect municipal drinking water and industrial process water at more at than 3,500 sites around the world. De Nora’s most recent electrochlorination innovation, the ClorTec® DN unit used in the trailers offers simple operation and maintenance as well as performance and safety advantages and employs De Nora DSA® bipolar electrodes for highly efficient salt and power usage.
De Nora’s initial collaborations with Neptune Solutions Company include a produced water recycling center, which currently treats upwards of 500,000 barrels of produced water per month – which has immediately been used in well completions - and has been in operation since last year. Bryan Brownlie continued, “Working with Neptune on these projects has demonstrated that, working together, we can produce results with market-beating economics, not just for produced water recycling, but also for frack water disinfection – without the safety risks inherent to the use of chlorine dioxide in an enclosed trailer. Our systems require no hazardous chemicals on-site – and produce no hazardous chemicals.”
Generating disinfectant on-site produces a less hazardous hypochlorite solution than bulk hypochlorite and eliminates the need to transport hazardous materials. Additionally, on-site provides protection against chemical price fluctuations and avoids costly chemical containment systems and risk management planning. The unique design of the ClorTec® DN electrode/cell rapidly and effectively removes hydrogen, the only by-product generated by the system.
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