building disinfection Articles

  • Grundfos reference – disinfection case study

    First SELCOPERM unit installed within the Czech Republic to serve for potable water disinfection through the electrical chlorination method ŽLUTICE, Czech Republic: 1/3 of the total capacity of the waterworks at Žlutice has been designed for supplying drinking water to a group of communities found within the catchment area of Žlutice (approximate population of 14,000), the remaining 2/3 ...


  • Supreme hotel relies on supreme water disinfection by Grundfos

    Kempinski Hotel Zografski is a 5-star hotel located in Lozenets, near downtown Sofia, Bulgaria. It is one of the most luxurious hotels in the capital of Bulgaria. It has 442 guest rooms, 10 conference rooms, 5 restaurants, 3 bars and the only Japanese garden in the Balkans. The hotel was built between 1974 and 1979 to the design of leading Japanese architect Kisho Kurokawa (1934 - 2007) in the ...


  • What Are Solar Buildings Technologies?

    Solar buildings technologies use the non-polluting power of the sun to help heat, cool, and power our buildings. Because buildings now use one-third of the energy currently consumed in this country, the potential markets for using solar buildings technologies in place of conventional ones is substantial. Whether you're a home owner, architect, builder, business owner, or industry or utility ...

  • Home, Sweet Wastewater Building

    How can a wastewater treatment plant embedded into a neighborhood not use much landmass and be environmentally friendly and user-friendly all at the same time? One system aims to do all of the above. Why should a wastewater treatment plant always have to look like, well, a wastewater treatment plant?  A visual trip through project files of Aqueonics Inc., based in Greenville, SC, reveals photos ...


    By Aqueonics, Inc.

  • Ultraviolet disinfection systems, the best solution to school swimming pools

    School swimming pools are a valuable asset, and are now present in the majority of high schools and higher education facilities throughout the UK.  Whilst school pools vary in size, shape and usage, many school swimming facilities are facing a common dilemma in their water disinfection strategy.  Existing treatment regimes are often badly designed, under sized or simply outdated, which ...


    By atg UV Technology

  • The Light at the End of the Tunnel - How to Successfully Operate a UV Disinfection System

    ABSTRACTOver the past ten years, ultraviolet (UV) technology has become a commonly applied method of disinfecting of wastewater effluent. UV disinfection involves passing wastewater effluent through a confined chamber with rows of underwater lamps emitting UV energy. Viruses and bacteria become inactivated upon exposure to dosages of UV energy, thereby disinfecting the wastewater. The UV system ...

  • Design-build wastewater treatment plant upgrade

    Client: City of Andover   Completion Date: 1997  Services Provided Design-build Extended aeration Ultraviolet disinfection Nitrification/denitrification Effluent reuse SRF funding  When Andover officials realized the existing plant would not meet future needs or new ...


    By Burns & McDonnell

  • Effects of UV Ozone for air room and deep cleaning disinfection purposes Version:1.0

    According to the EPA and American Medical Association (AMA), studies indicate that indoor levels of many pollutants may be 25 times and occasionally more than 200 times higher than outdoor levels. While older buildings present the issue of a large buildup of contaminants over time, today’s buildings are built so air tight that the health risks may be even greater. According to the EPA, ...

  • Solar disinfection and lime stabilization processes for reduction of pathogenic bacteria in sewage effluents and biosolids for agricultural purposes in Yemen

    Yemen is the least advanced country among Middle Eastern countries in sewage reuse and safety control. The current sewage effluent quality in Yemen is generally poor as none of the existing sewage treatment plants produces effluents that comply with the effluent quality regulations. There is no plan to build tertiary treatment systems. However, the oxidation and stabilization ponds are ...


    By IWA Publishing

  • Benefits of UV Transmittance (UVT) field testing for selling & servicing UV Disinfection Systems

    The Real UV254 ‘P’ series portable meters can be used to measure UV transmittance (UVT) in a number of situations, and are especially beneficial when working with small UV disinfection systems. The following cases outline two situations in which Real Tech’s portable meters are invaluable. Servicing Small UV Disinfection Systems An existing customer is ...


    By Real Tech Inc.

  • Bye Bye Birdie - Protecting your Building and Employees from Pest Birds

    It seems that not a day goes by without a news story about avian flu and the possible pandemic it may cause. Concerns about the potential threat are on the forefront of Americas mind, and it has taught us to be more conscious about the way disease is transmitted. “Indeed Avian Flu is a recent concern” says Bruce Donoho owner of Bird-B-Gone, Inc, “however I believe that there is a wide range of ...


    By Bird-B-Gone, Inc.

  • Rainwater harvesting for Harrow Boys School

    Harrow Boys School have included a 20,000 litre rainwater harvesting system within a new build boarding house. The rainwater harvesting system will collect, filter, disinfect and distribute the harvested rainwater for re-use in W.C. ...

  • Chlorate formation in water distribution systems: a modeling study

    Chlorine-based disinfection agents are known to favor the production of disinfection by-products (DBPs), whose concentrations are restricted by international guidelines to ensure a safe consumption of drinking water. Hence, it is important to understand the behavior of DBPs within water distribution networks (WDNs) to avoid users' exposure to concentrations higher than guideline values. The ...


    By IWA Publishing

  • Cheyenne Board of Public Utilities in Cheyenne, Wyoming Successfully Moves from Calcium Hypochlorite Tablets to Microclor On-Site Hypochlorite Generation

    The Cheyenne Board of Public Utilities (BOPU) operates the water and wastewater systems for the capital of Wyoming which has a population of more than 63,000. Located in the fast growing Front Range Urban Corridor, BOPU is challenged by growth, periodic water scarcity and aging infrastructure. During high demand, Cheyenne disinfects approximately 2 million gallons from well fields at an ...

  • Barnet Eco-School get rainwater collection tank

    Rainwater Harvesting system supplied to Northway and Fairway school in Barnet Aquaco are supplying a 30,000 litre rainwater collection tank together with associated pump sets, controls, filtration and Ultra Violet disinfection for the use of toilet flushing within the school building. Aquaco will be testing and commissioning the equipment once ...

  • Case study - Industrial wastewater reuse: CEMEX UK

    CEMEX is one of the world's leading cement producers and suppliers of building materials. In order to limit their manufacturing footprint in terms of process water usage, CEMEX UK sourced their water from the final settlement lagoons of their local wastewater treatment plant (Anglian Water). atg UV Technology was approached by CEMEX UK to supply a containerized UV wastewater treatment plant to ...


    By atg UV Technology

  • City of Albany, NEW YORK

    Since the 1930s, the City of Albany, New York, has used the 200 million gallon Loudonville open-air reservoir as a backup for the city’s primary Alcove reservoir. If the Alcove treatment plant shut downs or a water main breaks, the Loudonville reservoir could supply water to Albany’s 100,000 residents for up to ten days. This system, which uses chlorine disinfection, has served the city well ...

  • Cedar Treatment Facility

    In April, 2001, Seattle Public Utilities (SPU) in Seattle, Washington, awarded CH2MHill Constructors Inc., a contract for the design, permitting, construction, and long-term facility operation for the City of Seattle’s Cedar Treatment Facility Design Build Operate Project. The City of Seattle set the following, overall water quality protection goals: - Provide strong public health protection ...

  • DEFRA use rainwater recycling system

    DEFRA new stores building located in Weybridge, Surrey is a light commercial industrial unit. Aquaco were asked to provide a rainwater recycling (harvesting) system. Our response Aquaco proposed a system consisting of a 3,000 litre capacity rainwater recycling system complete with filtration, UV disinfection unit, pump sets, digital temperature and level sensors, header (break) ...

  • Waste Water -Yangsan City, South Korea

    Hanovia Photon Systems Installation Date – 2004. System Configuration – Four Hanovia Photon PMD500T12 Systems, complete with UV Monitors, Lamp Power Switching / Dose Control, Programmable Automatic Quartz Sleeve Wiper System. Variable flow: Up to 1,625m3/hr per stream Total Plant Capacity: 6,500 m3/hr Secondary treated filtered: UV Transmittance 60 % in 10 mm ...

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