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Calculate the regenerant flow required for the softener system with the given below data. Calcium Load: 85 ppm as CaCO3 Capacity: 37 Kg/m3 Correction factor: 0.9 Flow rate: 135 m3/hr Operation hours: 20 hrs

Correct Answer: 21 m3/hr
Calcium load= Calcium as CaCO3 x Flow rate x Operating hours/1000. Resin Volume= Calcium load/ (Exchange capacity x Correction factor). Resin Volume =/(37 x 0.9)= 7.0 m3 Velocity is considered as 3 m3/hr/m3. Thus the regenerant flow = Resin volume x velocity = 7 x 3 = 21 m3/hr.

The treatment system includes a WAC, SAC, followed by a WBA and SBA. There is a degasser in this system. Calculate the amount of SBA resin required for the following data. M Alkalinity: 100 ppm as CaCO3 P Alkalinity: 100 ppm as CaCO3 Silica: 30 ppm as CaCO3 CO2: 45 ppm as CaCO3 EMA: 100 ppm as CaCO3 Capacity: 37 Kg/m3 Correction factor: 0.9 Flow rate: 35 m3/hr Operation hours: 10 hrs

The treatment system includes a WAC, SAC, followed by a WBA and SBA. There is no degasser in this system. Calculate the amount of resin required for the following information. M Alkalinity: 100 ppm as CaCO3 P Alkalinity: 100 ppm as CaCO3 Silica: 45 ppm as CaCO3 CO2: 45 ppm as CaCO3 Capacity: 37 Kg/m3 Correction factor: 0.9 Flow rate: 35 m3/hr Operation hours: 10 hrs

Calculate the SAC resin required for the following data. It should be noted that prior to the SAC, a WAC system is present. M Alkalinity: 100 ppm as CaCO3 P Alkalinity: 100 ppm as CaCO3 EMA: 50 ppm as CaCO3 Capacity: 57 Kg/m3 Correction factor: 0.9 Flow rate: 135 m3/hr Operation hours: 20 hrs

The treatment system consists of a WAC, SAC which is followed by a WBA and SBA. Calculate the amount of WBA resin required for the following data. M Alkalinity: 100 ppm as CaCO3 P Alkalinity: 100 ppm as CaCO3 EMA: 25 ppm as CaCO3 Capacity: 37 Kg/m3 Correction factor: 0.9 Flow rate: 135 m3/hr Operation hours: 20 hrs

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

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

Calculate the fast rinse period of the regenerant liquid for a softener system with the given below data. Calcium Load: 40 ppm as CaCO3 Capacity: 37 Kg/m3 Correction factor: 0.9 Flow rate: 235 m3/hr Operation hours: 10 hrs

Calculate the diameter of the softener vessel required for the below given data. Magnesium Load: 500 ppm as CaCO3 Capacity: 57 Kg/m3 Correction factor: 0.9 Flow rate: 135 m3/hr Operation hours: 20 hrs Linear velocity: 16.6 m3/h/ m3 Space velocity: 20 m3/h/ m3

Calculate the area of the softener vessel required for the following information. Magnesium Load: 180 ppm as CaCO3 Capacity: 47 Kg/m3 Correction factor: 0.9 Flow rate: 135 m3/hr Operation hours: 20 hrs Linear velocity: 16.6 m3/h/ m3 Space velocity: 20 m3/h/ m3

Calculate the theoretical softener resin bed depth for the following data: Magnesium Load: 130 ppm as CaCO3 Capacity: 47 Kg/m3 Correction factor: 0.9 Flow rate: 135 m3/hr Operation hours: 20 hrs Linear velocity: 16.6 m3/h/ m3 Space velocity: 20 m3/h/ m3