Inorganic method of removing hardness of water
Answers
Answer:
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Chlorination
The addition of chlorine or chlorine compounds to drinking water is called chlorination. Chlorine compounds may be applied in liquid and solid forms—for instance, liquid sodium hypochlorite or calcium hypochlorite in tablet or granular form. However, the direct application of gaseous chlorine from pressurized steel containers is usually the most economical method for disinfecting large volumes of water.
Taste or odour problems are minimized with proper dosages of chlorine at the treatment plant, and a residual concentration can be maintained throughout the distribution system to ensure a safe level at the points of use. Chlorine can combine with certain naturally occurring organic compounds in water to produce chloroform and other potentially harmful by-products (trihalomethanes). The risk of this is small, however, when chlorine is applied after coagulation, sedimentation, and filtration.
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Answer:
Softening is the process of removing the dissolved calcium and magnesium salts that causes hardness in water..
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