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Ferrous Salts

Ferrous Chloride Solution for Water Treatment

Ferrous sulfate and ferrous chloride are used in water treatment for the purpose of dechlorination. Hydrolyzed chlorine in water primarily exists as hypochlorous acid (HOCl), a strong oxidizer in its ionized form. Hypochlorite ions oxidize ferrous ions, removing chlorine from solution. The resultant ferric ions precipitate as they aid in coagulation, reducing TSS.

ferrous sulfate test

Benefits of Ferrous Sulfate and Ferrous Chloride Solution in Water Treatment:

  • Eliminates excess chlorine in treated water
  • Enhances dewatering of solids generated by water treatment facility
  • Eliminates odors in solids
  • Residual iron in sludge improves marketability for land application

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