What is water softening?
Water softening is replacing of magnesium, calcium and other scale causing cations with sodium ions.
What is water softener?
• Water softeners are ion exchangers that are designed to remove ions, which are positively charged.
• A water softener consists of a pressure vessel containing cation exchange resin.
• Adsorption takes place over the surface of the resin, as the hard water passes through it.
• Resin adsorbs calcium and magnesium ions and gives sodium ions which do not constitute to hardness. i.e.
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