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chlorine-free disinfection Applications

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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.

  • Chlorine dioxide treatment for potable water

    Chlorine dioxide is an effective tool for the treatment of potable water. It is a powerful disinfectant that nicely balances purification performance against disinfection by product formation. It is one of four EPA approved disinfectants for drinking water with CT values second only to ozone in biocidal efficacy but without the ozonation by-products or high capital expense.

    By DuPont Chlorine Dioxide based in North Kingstown,, RHODE ISLAND (USA).

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    Electrochemical solutions and water technologies for swimming pool chlorination

    The luxurious pool experience: Say goodbye to chlorine odors, irritated eyes, hair damage and faded swimsuits caused by excessive disinfection by-products and over chlorination. Common salt and electricity generate a consistent and proper amount of pure chlorine solution in a safe, simple and cost effective way to disinfect pools. We are committed to improving your recreational water quality, while using a green, recyclable treatment process.

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    Chlorine Dioxide Water Treatment for the Municipal Drinking Water Treatment

    Chlorine dioxide is a well-known disinfectant for drinking water with many advantages over chlorination. Today there are estimated to be over 900 public water systems using chlorine dioxide for water disinfection world-wide. Also in Australia it is approved for a wide range of uses. However, the acceptance of chlorine dioxide in Australia as a disinfecting agent for drinking water has been hampered by the crude methods available for generating chlorine dioxide – methods that require relatively complex equipment and/or produce impure chlorine dioxide with many undesirable impurities.

    By NW Solutions based in Perth, AUSTRALIA.

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