air disinfection device Articles

  • Sustainable, Low-maintenance Disinfection for Onsite Systems

    Most of the regulations applicable for onsite wastewater treatment system are based on the use of native soil for effluent dispersal. However, there are more and more situations where dispersal of effluent in native soil is impossible: repairs of existing systems on undersized lots for implementation of required dispersal fields: sites located in soils having low permeability: or where the ...


    By Premier Tech Aqua

  • Use of CFD Modelling to Optimise the Design of Upper-room UVGI Disinfection Systems for Ventilated Rooms

    AbstractThe installation of upper-room ultraviolet germicidal irradiation (UVGI) devices in ventilated rooms has the potential to reduce transmission of infections by an airborne route. However, the performance of such devices is dependant on several factors including the location of the lamp and the ventilation airflow in the room. This study uses a CFD model to evaluate the performance of UVGI ...


    By SAGE Publications

  • Application of an optimized system for the well-defined exposure of human lung cells to trichloramine and indoor pool air

    In this study an in vitro exposure test to investigate toxicological effects of the volatile disinfection by-product trichloramine and of real indoor pool air was established. For this purpose a set-up to generate a well-defined, clean gas stream of trichloramine was combined with biotests. Human alveolar epithelial lung cells of the cell line A-549 were exposed in a CULTEX® device with ...


    By IWA Publishing

  • Operating Room - UVC lights provide infection control, green benefits

    Muskogee Community Hospital (Muskogee, OK) is using germicidal UVC (ultraviolet C) Emitters™ from Steril-Aire as part of an innovative infection control measure. The devices were installed in the air handling units and in custom-designed, ceilingmounted units in the surgical and procedural suites, marking the first time a hospital has used UVC technology in this way. Steril-Aire devices ...


    By E-CO

  • UVC: Florida hospital puts HVAC maintenance under a new light

    HVAC system downtime during coil cleaning can compromise humidity and temperature control, potentially leading to air quality or comfort problems. Florida Hospital has found that high-output ultraviolet-C lights installed in the AHUs reduce or eliminate coil- cleaning programs — yielding ongoing energy savings, a reduction in HVAC system maintenance, and the elimination of cleaning ...


    By E-CO

  • Ozone Brings Better Bottled Water

    The proliferation of bottled beverages worldwide and an increased awareness of consumer health issues have beverage bottlers rethinking how to keep their liquids safe for consumption. One problem they face is the need to deliver a product that is free of bacteria, to provide extended shelf life and product quality. Ozone has quickly become the disinfectant of choice among water bottlers ...

  • Vapor Intrusion Issues Risk Occupants’ Health

    Vapor intrusion occurs when a gaseous substance migrates into a building.  For example, volatile organic compounds and other gases can migrate from contaminated soils and groundwater through cracks in foundations or sewer lines and enter a building.  Vapor intrusion can create an indoor environment that damages structural materials and puts building occupants’ health at ...


    By Ultraviolet Devices, Inc.

  • Pure water from Kinetico at the Worcestershire Royal Hospital case study

    When the Worcestershire Royal Hospital opened, it had been equipped with a Kinetico water treatment system to supply pure hot water to its theatre areas and to washer disinfector units used for cleaning and disinfecting medical devices. In recent years, partly in response to concerns about the transmission of variant CJD via reusable surgical instruments; and also with regard to the risk ...

  • The best alternative to the protection of the UF membranes - Case Study

    Advance solutions to the recirculation of water in swimming pools. Problem The public swimming pools are continuously used during all the week for many people for making sport, amusement or relax. In these installations, the visual aspect and the sanitary conditions must be guaranteed all the time. In indoor public pools, even with the mandatory previous shower and the use of ...


    By Sistema Azud, S.A.

  • Wastewater Plant Relies on Thermal Flow Meter for Co-Gen Power Gas Blending Process

    The Rahway Valley Sewerage Authority (RVSA), which operates a large wastewater treatment plant in New Jersey, embarked on a green co-generation waste-to-energy project to power a portion of its operations. The plant performs primary, secondary, tertiary and sludge treatment processes in serving over 250,000 residential customers and 3000 industrial and commercial customers in a 40-plus square ...


    By Modern Pumping Today

  • What is Wastewater?

    What is wastewater? Wastewater, the waste discharge that first comes to mind in any discussion of stream pollution, is the discharge of domestic wastewater, which contains a large amount of organic waste. Industry also contribute substantial amounts of organic waste, some of which comes from vegetable and fruit packing; dairy processing; meat packing; tanning; processing of poultry, ...

  • Hot springs swimming pool: Glenwood Springs, Colorado case study

    Ozone Water Treatment, Color Removal and Ozone Purification In 1991, the Hot Springs Pool and Lodge Resort installed a DIN-Standard ozonation system for treating the world’s largest hot springs-fed swimming pool. The following main reasons were responsible for this decision: The suppliers of gaseous chlorine had dwindled down to a single source, as it had become ...


    By BiOzone Corporation

  • Trade sustainability impact assessment on the environmental goods agreement - Case Study

    EXECUTIVE SUMMARY On 24 January 2014 at the World Economic Forum in Davos, the EU, together with 13 other WTO members pledged to launch negotiations to liberalise global trade in environmental goods (EGs). The negotiations are employing the Asia-Pacific Economic Cooperation (APEC) list of environmental goods as a starting point with the intent of expanding it to liberalise a "broad ...


    By OZONATOR Industries Limited

  • Reuse of California brine olive oil processing wastewater to meet zero discharge goal

    Abstract Reuse of low strength municipal wastewater is becoming quite common and many technologies are available for that purpose. However, treatment and reuse/recycling of high strength industrial wastewater is still a challenge. In this paper we present some case studies with implemented integrated systems to achieve zero discharge goal. We will concentrate on the description ...


    By Clean Water Technology, Inc.

  • Primary Drinking Water from Wastewater Effluent: Pilot Test Experience at the Miami Dade South District WWTP

    ABSTRACTThe Miami-Dade Water and Sewer Department (MDWASD) owns and operates the South District wastewater Treatment Plant in Goulds, Florida. This is a 225 mgd peak flowrate secondary oxygen activated sludge treatment facility that discharges effluent via deep injection wells. Based upon the detection of nitrogen species in the monitoring wells for the deep injection well system, MDWASD entered ...

  • Greywater recycling system

    Every new home should have a Grey Water Recycling System! This innovative new product allows you to re-use your greywater (previously wasted) and recycle it for use on your gardens or reuse back through the toilets for flushing or in the laundry. Right now this is so important with low water levels, and water prices and council restrictions on the increase. The Ozzi Kleen GTS10 Greywater system's ...

  • BioLargo`s AOS Filter Wins `Technology Star Award` - New Technology Magazine -The First Word on Oil Patch Innovation

    Advanced disinfectant technology developer sets sights on oil and gas applications A small publicly-listed Santa Ana, Calif.–based company that is developing water purification and advanced disinfectant technologies, all using some form of iodine, sees one of its Edmonton-developed technologies as a way to clean up and even eliminate oilsands mining tailings ...


    By Biolargo, Inc.

  • SIRHA: the Show that really knows its Camembert from its Cordon Bleu

    We’ve returned from visiting Sirha, the five day hospitality and food service event in Lyon, France, which covered 11 sectors dedicated to food products, equipment and different services for professionals within the industry. Sirha describes itself as the global marketplace for the catering, hospitality and food service trades. ...


    By Analox Sensor Technology

  • Unique technology for monitoring piped water

    INTELLITECT WATER has launched a unique, highly innovative drinking water monitoring technology that will revolutionise the delivery of drinking water. The new technology monitors the quality of water in pipeline distribution networks and for the first time provides reliable data to protect the integrity of the water quality, to enhance customer satisfaction and to improve operational efficiency. ...


    By Intellitect Water Ltd

  • A Look at the Impact of Proposed Water Standard to Prevent Legionnaires` Disease

    From the standpoint of water treatment industry experts, failure to prevent legionellosis (or Legionnaires’ Disease) is the most significant water treatment problem today. Essentially every case of the disease is the result of exposure to inadequately managed building watersystems, and both utility and potable water systems can be the source of the hazard (i.e., Legionella bacteria). In ...


    By Phigenics, LLC

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