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wastewater disinfection Applications

  • Wastewater solutions for wastewater UV disinfection performance

    Problem: Prior to environmental discharge, wastewater is disinfected to ensure pathogens present in the water are inactivated. Ultraviolet (UV) disinfection is becoming a widely accepted treatment technology for wastewater disinfection due to the deleterious effects of chlorine on aquatic life. The ability for the UV light to penetrate the water is directly related to the concentration of suspended particles and organic matter in water that absorb or scatter the light.

    By Real Tech Inc. based in Whitby, ONTARIO (CANADA).

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    Solutions for water treatment and water disinfection

    We produce everything in house: all our products, systems and services. As well as being convenient, this is also smart. Disinfection solutions tailored to your needs offer excellent effectiveness.

    By ProMinent Group - ProMinent GmbH based in Heidelberg, GERMANY.

  • Reverse osmosis for desalination & disinfection

    By HF Pure Water based in Compton, CALIFORNIA (USA).

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    Ultraviolet disinfection systems for the wastewater industry

    UV technology has made tremendous gains in the last 25 years and is now recognised as a primary method of disinfecting waste water. atg UV Technology have researched the wastewater industry and identified the need for a range of compact closed chamber UV systems, which are easy to install into a pipeline, can deal with a wide range of water qualities and offer a high output within a small foot print. The advanced range of atg UV systems have successfully treated a wide range of fluids, in many different industries and have been installed on traditional and specialist wastewater treatment works worldwide.

    By atg UV Technology based in Wigan, UNITED KINGDOM.

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    Ultraviolet disinfection systems for the water parks industry

    As water features, wave machines, flumes and splash pads raise the fun factor in swimming pools, traditional methods of disinfecting water, using chlorine, are causing problems for operators and customers alike. Higher water temperatures and increased turbulence in leisure pools requires increased dosages of chlorine, leading to pool users complaining of burning eyes, red or itchy skin and an over powering chlorine smell throughout the facility. In some extreme cases the fabric of the building has also been attacked through corrosive condensation.

    By atg UV Technology based in Wigan, UNITED KINGDOM.

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    Ultraviolet disinfection systems for the de-ozonation industry

    Ozone is an allotropic form of oxygen; each molecule contains three atoms of oxygen instead of the usual two.  Ozone is a powerful disinfectant and has been used commercially for the treatment of potable water since 1904.  It is produced on site in the same way that ozone is formed naturally, by the discharge of electricity during a thunderstorm.  A high voltage is passed across a gas stream containing oxygen.  This method of ozone generation is called corona discharge.  The energy of the high voltage splits an oxygen molecule (02) into two oxygen atoms (0) - which recombine with ordinary molecules of oxygen (02) to form ozone (03).

    By atg UV Technology based in Wigan, UNITED KINGDOM.

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    Ultraviolet disinfection systems for the liquid sugar areas

    With an increasing emphasis on safety, product quality and regulation, the requirement for efficient and effective disinfection of liquid sugar applications has seen many manufactures turn to UV disinfection systems for an effective, non chemical solution. Concentrated sugar syrups have a high osmotic pressure, which prevents micro-organisms from reproducing. However, many micro-organisms still survive in spore form and have the ability to grow and reproduce upon dilution of the sugar syrup solution thus causing discolouration, changes to flavour and, critically, a reduced product shelf-life and increased risk of infection and ill-health. The threat of micro-biological contamination is further increased as manufacturers respond to consumer demands for reductions in chemical additives and preservatives.

    By atg UV Technology based in Wigan, UNITED KINGDOM.

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    Ultraviolet disinfection systems for the USEPA UVDM validation

    For drinking water applications, atg UV Technology`s independently 3rd party validated UV systems are sized to deliver both 40 mJ/cm2 RED UV Dose, or a 3 log (99.9%) to 5 log (99.999%) reductions of Cryptosporidium. As a leading testing and validation protocol, the United States Environmental Protection Agency (US EPA) Ultraviolet Disinfection Guidance Manual (UVDGM) 2006 provides an advanced testing and validation method for guaranteeing UV disinfection performance for a large range of operating conditions, such as flow rate and water quality measured in UVT% (Ultraviolet Transmittance).

    By atg UV Technology based in Wigan, UNITED KINGDOM.

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    Ultraviolet disinfection systems for the produced water treatment

    With environmental regulations becoming more stringent, and the link between re-injected water quality and operational costs becoming clear to operators, investing early in advanced water treatment solutions for produced water for both reinjection applications and environmental discharges is now a top priority for operators worldwide.  atg UV Technology have provided a number of specialist UV packages for the disinfection of Produced Water in order to reduce microorganisms such as SRB’s (Sulphate Reducing Bacteria), Acid Producing Bacteria and Slime Forming Bacteria, that if left untreated, pose a range of negative consequences including: - Souring the well with hydrogen sulphide gas H2S, Microbiological induced corrosion, Loss of fluid stability during injection, Plugging of the well, Damage of equipment and components (e.g. RO membranes, filters).

    By atg UV Technology based in Wigan, UNITED KINGDOM.

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    Ultraviolet disinfection systems for the de-chlorination industry

    The purpose of de-chlorination is the removal of free chlorine and combined chlorine compounds from potable water, as supplied by municipal water supplies. Chlorine will oxidize the surface of thin film composite polyamide membranes, causing the membrane to lose its ability to repel or reject salts. As a result, the membranes used in Reverse Osmosis (RO) or Electro-deionisation (EDI) systems will exhibit shorter lifetimes when exposed to chlorine in the water they are treating and membrane manufacturers will usually specify an upper limit to ensure a suitable life of the membrane. As a result, it is usual to use a method of dechlorination upstream of the RO or EDI system.

    By atg UV Technology based in Wigan, UNITED KINGDOM.

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    Ultraviolet disinfection systems for the hydro pools industry

    Spas and therapy pools are often specialised applications, which operate with both increased temperatures and increased water turbulence. Due to the high temperature of the water and increased bather loads, pool applications, such as spas and therapy pools, are breeding grounds for harmful microorganisms, such as E-Coli and Cryptosporidium, despite high levels of chlorine.

    By atg UV Technology based in Wigan, UNITED KINGDOM.

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    Ultraviolet disinfection systems for the drinking water inspectorate

    With atg UV systems treating in excess of 2500 m3/hr daily, Ultraviolet disinfection is no longer an ‘emerging` technology.  A number of Water Treatment Works across the world are now investing heavily in Ultraviolet technology as the threat of chlorine resistant parasites, such as Cryptosporidium and Giardia, continue to pose a serious risk to water companies and their customers. To this end, in the UK, the DWI have issued their guidelines for UV operation and system selection to the UK water industry.  A key feature of their guidance is UV system validation.  Validation refers to a series of 3rd party testing to ensure the performance of an Ultraviolet system design under a range of operating environments.

    By atg UV Technology based in Wigan, UNITED KINGDOM.

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    Ultraviolet disinfection systems for the swimming pools industry

    Ultraviolet disinfection is now an established method of water treatment for Swimming Pools, Spas, Hydro Pools, Splash Pads and Water Features, and has become the preferred treatment choice for a number of leading international leisure brands. atg UV`s range of treatment systems are proven to improve the swimming pool environment by improving water quality, air quality and safety, leading to increased customer satisfaction. UV systems not only provide disinfection against the 17 known chlorine resistant micro-organisms, such as Cryptosporidium and Giardia, which have a thick outer membrane making them highly resistant to traditional Chlorine disinfection, UV also destroys chloramines. Chloramines are formed when free chlorine reacts with organics, such as sweat, body fats and urine, brought into the pool environment by bathers.

    By atg UV Technology based in Wigan, UNITED KINGDOM.

  • Water Disinfection for Drinking Water

    Superior Water Quality. Minimal Operating Costs. No Chemical Additives. The water treatment and water distribution up to the delivery point in the house is the responsibility of the water supplier. The owner of the real estate is responsible for sustaining the drinking water quality within the premise. REDO offers in the areas of drinking water supply solutions for the water supplier and solutions for the operators of commercial real estate. The main advantage of water disinfection from REDO: The REDO disinfectant solution in the drinking water is absolutely odourless and tasteless.

    By REDO Water Systems GmbH based in Groß-Zimmern, GERMANY.

  • Drinking water solutions for the UV disinfection performance

    Problem: Waterborne pathogens can cause serious disease outbreaks. Drinking water disinfection forms the final barrier between these pathogens and humans. For drinking water disinfection, ultraviolet (UV) light has proven to be the best method for inactivation of Cryptosporidium parvum and Giardia lamblia parasites found in natural waters. Organic matter and suspended particles in water absorb and scatter UV light, interfering with pathogen inactivation by UV irradiation.

    By Real Tech Inc. based in Whitby, ONTARIO (CANADA).

  • Water Disinfection for Industrial Water Treatment

    MIOX’s patented Mixed Oxidant Solution (MOS) or Hypochlorite (HYPO)chemistries for cooling tower and cooling loop water disinfection improves safety, lowers general corrosion rates, increases performance, and saves money. The unique qualities of MOS lowers corrosion rates by 80% in copper and 50% in steel, resulting in a reduction of downtime, maintenance, and expense. Additionally, MIOX generators improve workplace safety by eliminating the handling and storage of hazardous chemicals while maintaining steady disinfection residuals.

    By MIOX Corporation - Johnson Matthey`s Water Technologies based in Albuquerque, NEW MEXICO (USA).

  • Filtration in waste water treatments. disinfection

    The cost and efficiency of the waste water treatment is directly linked to the amount of suspended solids in the water.
    The addition of an AZUD System allows:

    • Increased efficiency of the treatment equipment.
    • Decreases the quantity of chemicals used.
    • Avoids the “shadowing effect” created by larger particles in UV disinfection systems.

    By Sistema Azud, S.A. based in Alcantarilla, SPAIN.

  • Water Disinfection for Swimming Pools

    Better Water Quality – without the undesired side-effects Characteristic of swimming pools, saunas and spa facilities in the past the were the “chlorine smell” and “red eyes”. They are caused by the disinfectant solution chlorine, which is added to the water in the swimming pools. Even here the REDO method is an alternative that can be applied – REDOpool guarantees a better effect to treating the water, in comparison to the traditional methods and at the same time reduces the unwanted side-effects for the swimmers.

    By REDO Water Systems GmbH based in Groß-Zimmern, GERMANY.

  • Disinfection solutions for water treatment industry

    Ballast Water Solutions. Ship ballasts often carry aquatic organisms that can cause a significant problem when transported from one body of water to another. In fact, the invasion of non-native species via ballast water has been described by maritime and environmental authorities as `one of the greatest threats to the world`s waterways.`

    By Calgon Carbon Corporation based in Moon Township, PENNSYLVANIA (USA).

  • Water treatment solutions for the ultraviolet disinfection

    The process to reduce the amount of microorganisms in water, by means of ultraviolet light is called “ultraviolet disinfection”. It is used in all kinds of water to reduce the amount of microorganisms such as bacteria, protozoa, viruses, fungi, algae. Ultraviolet (UV) light is a natural part of sunlight, whereas the short wavelengths are absorbed by the protecting ozone layer. UV lamps designed for water disinfection use a gas mixture containing the element mercury (Hg). The Mercury vapour is an advantageous gas for UV disinfection applications because it emits light in the germicidal (‘germs killing’) wavelength range (UVC and UVB).

    By bestUV BV based in Best, NETHERLANDS.

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