water treatment – chemical treatments – chlorine zen at chile

water treatment – chemical treatments – chlorine zen at chile
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  • What is chlorine used for in water treatment?
  • Chlorine is widely used for the treatment of drinking water (Gopal et al. 2007). For instance, in Canada, approximately 90 % of water treatment systems use chlorine for disinfection (Health Canada 1995; Health Canada 2008).
  • What are chlorine compounds used for?
  • Chlorine compounds are chemicals commonly used as oxidizing agents for drinking-water disinfection and water treatment . Chlorine (Cl) is an halogen element having 7 electrons on its last electronic layer. To reach the stability of 8 electrons chlorine has a tendency to add an electron.
  • What percentage of water treatment systems use chlorine?
  • For instance, in Canada, approximately 90 % of water treatment systems use chlorine for disinfection (Health Canada 1995; Health Canada 2008). There is no doubt that chlorine is an effective disinfectant against most microorganisms and it provides protection in the distribution network.
  • Is chlorine a disinfection by-product?
  • Chlorine is one of the oxidizing agents widely used around the world in water treatment . Disinfection by-products are formed when chlorine reacts with natural organic matter. Due to their adverse effect on human health, these disinfection by-products have received a great of concern.