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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. The 12 Best Water Softeners of 2022 - AOL

   www.aol.com/remove-damage-causing-hardness...

   Whirlpool WHES30E 30,000 Grain Softener. Price: $493.62 (orig. $629.99) 22% OFF Buy Now . 2. iSpring ED2000 Alternative Salt-Free Water Softener BEST ALTERNATIVE. If you want a chemical, salt and ...

4. Reverse osmosis - Wikipedia

   en.wikipedia.org/wiki/Reverse_osmosis

   Reverse osmosis (RO) is a water purification process that uses a semi-permeable membrane to separate water molecules from other substances. RO applies pressure to overcome osmotic pressure that favors even distributions. RO can remove dissolved or suspended chemical species as well as biological substances (principally bacteria), and is used in ...

5. 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 ...

6. Desalination - Wikipedia

   en.wikipedia.org/wiki/Desalination

   Desalination is a process that removes mineral components from saline water. More generally, desalination is the removal of salts and minerals from a substance. [1] One example is soil desalination. This is important for agriculture. It is possible to desalinate saltwater, especially sea water, to produce water for human consumption or irrigation.

7. Portable water purification - Wikipedia

   en.wikipedia.org/wiki/Portable_water_purification

   Portable water purification devices are self-contained, easily transported units used to purify water from untreated sources (such as rivers, lakes, and wells) for drinking purposes. Their main function is to eliminate pathogens, and often also of suspended solids and some unpalatable or toxic compounds. These units provide an autonomous supply ...