Engineering, 17.04.2020 18:04 Jordan0423
Groundwater with a noncarbonated hardness (NCH) of 75 mg/L as CaCO3 is treated by a lime-soda process. The targeted hardness is 60 mg/L as CaCO Addressing only the NCH. How much Soda is required?
a. 135 mg/L as CaCO3
b. 55 mg/L as CaCO3
c. No Soda is required
d. 15 mg/L as CaCO3
Answers: 3
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Groundwater with a noncarbonated hardness (NCH) of 75 mg/L as CaCO3 is treated by a lime-soda proces...
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