By IUVA One Water With increasing stress on water systems, obtaining and maintaining water security, sustainability and resilience is becoming increasingly necessary, and UV water treatment can play an important role in addressing these concerns. Commonly referred to as One Water, this approach for planning and integrating water reuse better serves communities and ecosystems … [Read more...] about Focus on Water: Water Treatment for Addressing Contaminants and Improved Sustainability
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First UV/H2O2 AOP Systems for Municipal Drinking Water Treatment in China
Wenjun Sun, Xiuwei Ao and Zhongyun Chen, School of Environment, Tsinghua University Kumiko Oguma, associate professor, Department of Urban Engineering, University of Tokyo Ruibao Jia, Wuchang Song and Guifang Li, Shandong Urban Water Supply and Drainage Water Quality Monitoring Center Wonglei Wang , professor, School of Municipal & Environmental Egineering, Shandong … [Read more...] about First UV/H2O2 AOP Systems for Municipal Drinking Water Treatment in China
Improving the Economics and Water Quality of MPUV/H2O2 Treatment
Martin Spruijt, process engineer, PWN Water Supply Company Bram J. Martijn, team manager-research and development, PWN Water Supply Company Joop C. Kruithof, ambassador, Wetsus European Centre of Excellence for Sustainable Water Technology Water utilities have been increasingly detecting organic micropollutants and their transformation products in water sources on a global … [Read more...] about Improving the Economics and Water Quality of MPUV/H2O2 Treatment
Innovative Approaches for Validation of UV Disinfection Reactors for Drinking Water Systems
Harold Wright, chief technologist- UV disinfection, Carollo Engineers Traci Brooks, lead technologist, Carollo Engineers Mark Heath, principal technologist, Carollo Engineers Jeff Adams, environmental engineer, USEPA, ORD, NRMRL, WSWRD, WQMB Bryan Townsend, UV technology leader, Black & Veatch Corporation The US Environmental Protection Agency recently published the … [Read more...] about Innovative Approaches for Validation of UV Disinfection Reactors for Drinking Water Systems
Deep UV LED Equipment in Operation for Municipal Drinking Water Supply
Kumiko Oguma, associate professor, Department of Urban Engineering, University of Tokyo In February 2019, a UV LED disinfection system started operation at a municipal water supply in Japan. The facility is located at Nagashima Town, Kagoshima Prefecture, Kyusyu-island in Japan. The Nagashima Town is on a beautiful island with fascinating scenery of sea and mountains. The … [Read more...] about Deep UV LED Equipment in Operation for Municipal Drinking Water Supply
UV Applications in China’s Municipal Water Treatment
Dongming Lu, engineer, UltraTech Co. Ltd. UVplays an important part in China’s municipal wastewater disinfection. In China, 9,213 municipal wastewater (MWW) treatment facilities were built – treating a total of 227 million m3 of municipal wastewater every day (~60 BGD) up to the end of 2019 – while about 3,000 of these facilities used UV to disinfect a total of 162 million m3 … [Read more...] about UV Applications in China’s Municipal Water Treatment
Deep UV LED System Developed for Municipal Drinking Water Treatment
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
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
When Influent Water Percent UVT is Out of Range
Professor J.P. Malley, Jr., UV Solutions editor-in-chief C. Bernardy, graduate research engineer, University of New Hampshire M. White, graduate research engineer, University of New Hampshire A. Hidrovo, graduate research engineer, University of New Hampshire There are many instances and reasons why the percent UV transmittance (%UVT) of the water entering a UV system is … [Read more...] about When Influent Water Percent UVT is Out of Range
Low-Pressure UV System Offers Top Water Quality and Fewer Chloramines
Article provided courtesy of Xylem In public swimming pools, the safe and high quality of the water – along with the well-being of the bathing guests – is a must. This is a great challenge especially when there are many visitors. An efficient and reliable solution to address water quality concerns is the installation of low-pressure UV systems. A Wedeco system was installed … [Read more...] about Low-Pressure UV System Offers Top Water Quality and Fewer Chloramines