Neptune Benson’s Closed-Vessel System Uses UV Technology For Wastewater Reuse

Neptune Benson’s Closed-Vessel System Uses UV Technology For Wastewater Reuse
Neptune Benson ETS-UVLW disinfection system

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The Neptune Benson ETS-UVLW (ultraviolet, low-pressure wastewater) closed-vessel disinfection system features a multi-lamp, high-output amalgam reactor with lamps positioned parallel to the flow and chamber access hatch. The system is also used to disinfect municipal drinking water and industrial process applications. Validated to NWRI (National Water Reuse Institute) UV Guidelines (2003 and 2012 revision), each reactor has been approved by the California State Water Resources Control Board, Division of Drinking Water, and is being incorporated in water reclamation facilities across the nation.

The chlorine-free system can handle a range of flow rates, from about 50 gpm to 100 mgd, and is not required to be taken offline for maintenance.

“Most wastewater is treated in an open channel,” says Jon McClean, president and CTO, ETS-UV by Neptune Benson. “The enclosed vessel makes it safer. The operators are shielded from the UV light, which can be harmful. It’s the safest way to disinfect the effluent.”

Engineered for municipal water reuse, the system features automatic wipers to keep the optical path free from fouling. The chamber’s flexible design can be installed in a vertical or horizontal orientation. Its compact design can easily be incorporated in new construction or as a retrofitted solution as the facility requires.

“Our robust systems are engineered to withstand varying conditions, including hard outdoor environments,” McClean says. “Monitors give the operators feedback so they know precisely how the system is performing. Unlike a chemical system, there are no harmful byproducts formed.”

By utilizing 800-watt technology, the system requires fewer lamps, while offering an expected lamp life of over 12,000 hours.

Recently, the closed-vessel system was selected for an NWRI validated project in Southern California that will treat about 3 mgd at the Hollywood Casino.

“This is an irrigation project where they will take effluent from the casino and use the water to irrigate the grounds,” McClean says. “The technology is growing rapidly. With water becoming more and more scarce, wastewater is seen as a valuable commodity. We currently have about 5,000 installations across the U.S. in a broad variety of applications.” 800/832-8002;


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