16 May 2011 Large area radiation source for water and wastewater treatment
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Abstract
There is a strong desire for processes that improve the safety of water supplies and that minimize disinfection byproducts. Stellarray is developing mercury-free next-generation x-ray and UV-C radiation sources in flat-panel and pipe form factors for water and wastewater treatment applications. These new radiation sources are designed to sterilize sludge and effluent, and to enable new treatment approaches to emerging environmental concerns such as the accumulation of estrogenic compounds in water. Our UV-C source, based on cathodoluminescent technology, differs significantly from traditional disinfection approaches using mercury arc lamps or UV LEDs. Our sources accelerate electrons across a vacuum gap, converting their energy into UV-C when striking a phosphor, or x-rays when striking a metallic anode target. Stellarray's large area radiation sources for wastewater treatment allow matching of the radiation source area to the sterilization target area for maximum coverage and improved efficiency.
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Michael T. Mueller, Seungwoo Lee, Anthony Kloba, Ronald Hellmer, Nalin Kumar, Mark Eaton, Charlotte Rambo, Suresh Pillai, "Large area radiation source for water and wastewater treatment", Proc. SPIE 8029, Sensing Technologies for Global Health, Military Medicine, Disaster Response, and Environmental Monitoring; and Biometric Technology for Human Identification VIII, 80290J (16 May 2011); doi: 10.1117/12.883304; https://doi.org/10.1117/12.883304
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KEYWORDS
X-rays

Carbon

Lamps

Mercury

Tungsten

Glasses

Organisms

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