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2. Water softening - Wikipedia

   en.wikipedia.org/wiki/Water_softening

   Water softening. Idealized image of water softening process involving replacement of calcium ions in water with sodium ions donated by a cation-exchange resin. Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water requires less soap for the same cleaning effort, as soap is ...

3. Dishwasher salt - Wikipedia

   en.wikipedia.org/wiki/Dishwasher_salt

   Dishwasher salt is a particular grade of granulated, crystalline sodium chloride intended for regenerating the water softener circuit of household or industrial dishwashers. Analogous to water softener salt, dishwasher salt regenerates ion exchange resins , expelling the therein trapped calcium and magnesium ions that characterize hard water .

4. Brine - Wikipedia

   en.wikipedia.org/wiki/Brine

   Brine is an auxiliary agent in water softening and water purification systems involving ion exchange technology. The most common example are household dishwashers, utilizing sodium chloride in form of dishwasher salt. Brine is not involved in the purification process itself, but used for regeneration of ion-exchange resin on cyclical basis. The ...

5. Sodium hexametaphosphate - Wikipedia

   en.wikipedia.org/wiki/Sodium_hexametaphosphate

   Sodium hexametaphosphate (SHMP) is a salt of composition Na6[ (PO3)6]. [3] Sodium hexametaphosphate of commerce is typically a mixture of metaphosphates (empirical formula: NaPO 3), of which the hexamer is one, and is usually the compound referred to by this name. Such a mixture is more correctly termed sodium polymetaphosphate.

6. Ion-exchange resin - Wikipedia

   en.wikipedia.org/wiki/Ion-exchange_resin

   Idealised image of water-softening process, involving replacement of calcium ions in water with sodium ions donated by a cation-exchange resin. The resin can be recharged by washing it with a solution containing a high concentration of sodium ions (e.g. it has large amounts of common salt (NaCl) dissolved in it). The calcium and magnesium ions ...

7. Dealkalization of water - Wikipedia

   en.wikipedia.org/wiki/Dealkalization_of_water

   The dealkalization of water refers to the removal of alkalinity ions from water. Chloride cycle anion ion-exchange dealkalizers remove alkalinity from water. Chloride cycle dealkalizers operate similar to sodium cycle cation water softeners. Like water softeners, dealkalizers contain ion-exchange resins that are regenerated with a concentrated ...