Discussion Forum : Advanced Wastewater Treatment Methods
Question - Calculate the fast rinse flow of the regenerant liquid for a softener with the below given data.
Magnesium Load: 10 ppm as CaCO₃
Capacity: 47 Kg/m³
Correction factor: 0.9
Flow rate: 135 m³/hr
Operation hours: 20 hrs
Options:
A .  4.5 m³ /hr
B .  7.2 m³/hr
C .  1.7 m³ /hr
D .  7.5 m³/hr
Answer: Option B
Answer: (b).7.2 m³/hr

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