Determine the lime and soda ash dose, in mg/L as CACO3 to soften the following water to a final hardness of less than 120.0 mg/L as CACO3. If the price of lime, pur chased as CaO, is $61.70 per megagram (Mg), and the price of soda ash, purchased as NazCO3, is $172.50 per Mg, what is the annual chemical cost of treating 1.35 m of this water? Assume the lime is 87% pure and the soda ash is 97% pure. The ion concentrations reported below are all mg/L as CACO3. amsideng Ca2+ = 293.0 Mg2+ = 55.0 HCO, = 301.0 %3D %3D CO2 = 5.0
Determine the lime and soda ash dose, in mg/L as CACO3 to soften the following water to a final hardness of less than 120.0 mg/L as CACO3. If the price of lime, pur chased as CaO, is $61.70 per megagram (Mg), and the price of soda ash, purchased as NazCO3, is $172.50 per Mg, what is the annual chemical cost of treating 1.35 m of this water? Assume the lime is 87% pure and the soda ash is 97% pure. The ion concentrations reported below are all mg/L as CACO3. amsideng Ca2+ = 293.0 Mg2+ = 55.0 HCO, = 301.0 %3D %3D CO2 = 5.0
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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