A residential water softener has 0.2 m³ of ion exchange resin with an exchange capacity of 50 kg CaCO3/m. The occupants use 1,500 L of water daily. If the water contains 245 mg/L of hardness as CaCO3,...


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A residential water softener has 0.2 m³ of ion exchange resin with an exchange capacity of<br>50 kg CaCO3/m. The occupants use 1,500 L of water daily. If the water contains 245 mg/L<br>of hardness as CaCO3, what is the time between regeneration cycles if the ion exchange<br>column is used to treat the whole water flow?<br>

Extracted text: A residential water softener has 0.2 m³ of ion exchange resin with an exchange capacity of 50 kg CaCO3/m. The occupants use 1,500 L of water daily. If the water contains 245 mg/L of hardness as CaCO3, what is the time between regeneration cycles if the ion exchange column is used to treat the whole water flow?

Jun 10, 2022
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