Sodium meta-bisulphite

Sodium metabisulphite is also known by the names sodium pyrosulphite and disodium metabisulphite. It is a compound primarily used in the sterilisation and disinfection stages of potable water treatment. Additionally, it is a strong reducing agent that can be used to help remove chlorine and chromium species during water treatment.

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Typical Applications of Sodium Metabisulphite:

  • Water treatment equipment sanitation
  • Cleaning of membranes used in reverse-osmosis desalination
  • Chloramine removal
  • Reduction of chromium for removal via precipitation
  • Chlorine removal from potable water
  • Water utilities


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