b) Give reason why the water to be supplied for Zeolite process must be free from Fe2+ and Mn2+ ions. A zeolite softener was used to remove the hardness of 95,000 liters of hard water completely. The softener required 475 liters of NaCl solution containing 18 g/liter of NaCl for regeneration. Calculate the hardness of hard water in ppm.

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b) Give reason why the water to be supplied for Zeolite process must be
free from Fe2+ and Mn2+ ions.
A zeolite softener was used to remove the hardness of 95,000 liters of
hard water completely. The softener required 475 liters of NaCl solution
containing 18 g/liter of NaCl for regeneration. Calculate the hardness of
hard water in ppm.
Transcribed Image Text:b) Give reason why the water to be supplied for Zeolite process must be free from Fe2+ and Mn2+ ions. A zeolite softener was used to remove the hardness of 95,000 liters of hard water completely. The softener required 475 liters of NaCl solution containing 18 g/liter of NaCl for regeneration. Calculate the hardness of hard water in ppm.
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