Discussion Forum : Advanced Wastewater Treatment Methods
Question - Calculate the rinse volume of the regenerant liquid for the softener system with the given below data.
Calcium Load: 60 ppm as CaCO₃
Capacity: 37 Kg/m³
Correction factor: 0.9
Flow rate: 35 m³/hr
Operation hours: 10 hrs
Options:
A .  1.5 m³/hr
B .  3.5 m³/hr
C .  4.9 m³/hr
D .  2.5 m³/hr
Answer: Option B
Answer: (b).3.5 m³/hr

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