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2. Water softening - Wikipedia

   en.wikipedia.org/wiki/Water_softening

   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 not wasted bonding with calcium ions. Soft water also extends the lifetime of plumbing by reducing or eliminating scale build-up in pipes

3. List of boiling and freezing information of solvents - Wikipedia

   en.wikipedia.org/wiki/List_of_boiling_and...

   This Wikipedia page provides a comprehensive list of boiling and freezing points for various solvents.

4. Dealkalization of water - Wikipedia

   en.wikipedia.org/wiki/Dealkalization_of_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 salt solution - NaCl. In the case of a water softener, the cation exchange resin is exchanging sodium (the Na + ion of NaCl) for hardness minerals such as ...

5. Hard water - Wikipedia

   en.wikipedia.org/wiki/Hard_water

   A common method for water softening involves the use of ion-exchange resins, which replace ions like Ca 2+ by twice the number of mono cations such as sodium or potassium ions. Washing soda (sodium carbonate, Na 2 CO 3) is easily obtained and has long been used as a water softener for domestic laundry, in conjunction with the usual soap or ...

6. Sodium sesquicarbonate - Wikipedia

   en.wikipedia.org/wiki/Sodium_sesquicarbonate

   It is also used as a precipitating water softener, which combines with hard water minerals (calcium- and magnesium-based minerals) to form an insoluble precipitate, removing these hardness minerals from the water. [5] It is the carbonate moiety which forms the precipitate, the bicarbonate being included to moderate the material's alkalinity.

7. Condensate polisher - Wikipedia

   en.wikipedia.org/wiki/Condensate_polisher

   Condensate polishers are important in systems using the boiling and condensing of water to transport or transform thermal energy.Using technology similar to a water softener, trace amounts of minerals or other contamination are removed from the system before such contamination becomes concentrated enough to cause problems by depositing minerals inside pipes, or within precision-engineered ...