Takahito Sugimoto, Water Supply Engineering Department, METAWATER Co., Ltd. Yoshiro Kanto, International Business Planning Department, METAWATER Co., Ltd METAWATER Co., Tokyo, Japan, developed a deep ultraviolet (UV) LED system (also referred to as DUV LED or UV-C LED) for municipal water treatment. The first DUV LED disinfection system (300 m3/day x 2 units) was installed in … [Read more...] about Deep UV LED System Developed for Municipal Drinking Water Treatment
2020 Quarter 2
Risks of Surface Damage to Polymeric (Plastic) Surfaces from UV-C Exposure
Peter Teska, infection prevention application expert, Diversey Healthcare environmental surfaces and patient care equipment (i.e., surfaces) in healthcare facilities are commonly contaminated with pathogenic microorganisms, so maintaining hygienic surfaces in a healthcare environment is an important part of reducing the risk of healthcare-associated infections (HAIs) for … [Read more...] about Risks of Surface Damage to Polymeric (Plastic) Surfaces from UV-C Exposure
Intelligent Heat Extraction with Thermoelectric Cooler for UV-C LEDs
Pablo Fredes, project manager, Hydraluvx UV Disinfection Technologies; Ulrich Raff, optics and semiconductors lab, Physics Department, University de Santiago de Chile; Ernesto Gramsch, optics and semiconductors lab, Physics Department, University de Santiago de Chile In the solid state lighting industry, many research groups have shifted their focus toward the shorter … [Read more...] about Intelligent Heat Extraction with Thermoelectric Cooler for UV-C LEDs
Efficiently Powering UV Sources
Tonnie Telgenhof Oude Koehorst, product manager/new business UV, Nedap Ultraviolet low- and medium-pressure lamps and LEDs are well known and widely accepted UV sources for disinfection applications for air, surface, water and other fluids. Improving efficiency of UV lamps has reached physical limits, and UV LEDs still have a long way to go. Unfortunately, the overall … [Read more...] about Efficiently Powering UV Sources
Proposed Standard for Ultraviolet-Based High-Level Disinfection of Medical Devices
David J. Weber, M.D., M.P.H., Division of Infectious Diseases, University of North Carolina, School of Medicine, Chapel Hill, North Carolina; Department of Hospital Epidemiology, University of North Carolina Hospitals, Chapel Hill, North Carolina; Lionel Pineau, Ph.D., president and scientific director, Eurofins Biotech Germande; corresponding author James R. Bolton, … [Read more...] about Proposed Standard for Ultraviolet-Based High-Level Disinfection of Medical Devices
COVID-19 Pandemic: UV Air and Surface Disinfection
Castine Bernardy, graduate research assistant, Department of Civil and Environmental Engineering, University of New Hampshire Corresponding author James P. Malley Jr., Ph.D., Professor of Civil and Environmental Enginnering, University of New Hampshire Worldwide concern over the risk of contracting or spreading COVID-19 has sparked widespread interest in using UV devices for … [Read more...] about COVID-19 Pandemic: UV Air and Surface Disinfection
Not If, But When: UV LED Beverage Disinfection
IUVA Food and Beverage Safety Working Group Babak Adeli, director of research and development, Acuva Technologies Waterborne microorganisms can affect the flavor, color, odor and shelf life of soft drinks, bottled water and a wide variety of food products.1 It is critical that the process water is free from contamination by pathogens and spoilage organisms. In addition to … [Read more...] about Not If, But When: UV LED Beverage Disinfection
New UV System Withstands Extreme Flooding Event
Article provided courtesy of TrojanUV The city of Orange in Orange County, Texas, is located about 100 miles east of Houston and approximately 30 miles due north of the Gulf of Mexico. It is the state’s easternmost city and home to the Orange Waste Water Treatment Plant (WWTP). Located along the Sabine River, this municipal wastewater treatment plant with a peak capacity of 24 … [Read more...] about New UV System Withstands Extreme Flooding Event
UV Disinfection Industry Leans in to COVID-19 Response
Rich Simons, Ph.D., head of application science, AquiSense Technologies Halfway through quarter two of 2020, no industry has been spared from the impact of COVID-19. Mass disruption of supply chains have cascaded through project timelines, disrupted work patterns, hampered team coordination, restricted physical mobility and limited core production capabilities. Of course, for … [Read more...] about UV Disinfection Industry Leans in to COVID-19 Response
Advanced Reduction Processes for the Removal of Metabolites from Water
Roberta Hofman- Caris, senior scientific researcher, KWR Water Research Institute, The Netherlands; Danny Harmsen, scientific researcher, KWR Water Research Institute, The Netherlands Advanced oxidation processes (AOP) have obtained a lot of attention in literature over recent years. However, not all compounds can effectively be oxidized because, in fact, they already are in … [Read more...] about Advanced Reduction Processes for the Removal of Metabolites from Water