I never knew there is such thing called water softener until now. In my research we call water “hard” if it contains a lot of calcium or magnesium dissolved in it. There are problems associated to it. Hard water causes lime scale to form on the inside of pipes, water heaters, kettles and so on. The calcium and magnesium precipitate out of the water and stick to things. And will eventually clog the pipes completely. Also, it reacts with soap to form a sticky scum, and also reduces the soap’s ability to lather.
The solution is either to filter the water by distillation or reverse osmosis or to use a water softener. The process is not so simple to understand that is the water to be treated passes through a bed of the resin. Negatively-charged resins absorb and bind metal ions, which are positively charged. The resins initially contain univalent hydrogen, sodium or potassium ions, which exchange with divalent calcium and magnesium ions in the water. As the water passes through the resin column, the hardness ions replace the hydrogen, sodium or potassium ions which are released into the water. The “harder” the water, the more hydrogen, sodium or potassium ions are released from the resin and into the water.
Softening the water means expanding the lifespan of household machine, such as laundry machines, and the lifespan of pipelines. Also, it contributes to the improved working, and longer lifespan of solar heating systems, air conditioning units and many other water-based applications. That is the importance of water softening.
This is clearly a learning experience here.
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