111-30-8 water treatment chemicals disinfectant at japan marketing

111-30-8 water treatment chemicals disinfectant at japan marketing
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  • Why do we need disinfection management tools?
  • The need for disinfection management tools has arisen from the increasingly rigorous demands placed on water utility managers to better manage their systems, as highlighted by the Framework for Management of Drinking Water Quality (WQMF) incorporated within the 2004 Australian Drinking Water Guidelines (ADWG).
  • What is the most common disinfectant used in drinking water?
  • Data obtained in a 2005 survey from 3,590 drinking water facilities located in nine provinces and territories indicated that sodium hypochlorite is the most common disinfectant used in 78% of plants, whereas 19% used chlorine gas, 1.4% used calcium hypochlorite, and less than 0.5% applied alternative disinfectants (Health Canada 2009).
  • Do disinfectant technologies improve drinking water safety?
  • Disinfection technologies such as chlorination, chloramination, ozonation, UV light, and chlorine dioxide have made drastic improvements in drinking water safety (USEPA 1999). In recent decades, the safety and applicability of such disinfectant technologies have been called into question.
  • Which type of disinfection is used in South Africa?
  • A recent survey by Momba et al. (2009), involving 181 small drinking water treatment plants across seven provinces of South Africa: Mpumalanga, Limpopo, North West, Free State, KwaZulu-Natal, Eastern Cape, and Western Cape also indicated that chlorination is the predominant type of disinfection used.