Question

Calculate the amount of lime and soda required for treatment of 20,000

liters of water having following salts: MgCl2=15 ppm, CaCl2=20ppm,

MgCO3= 5 ppm, Ca(HCO3)2=10ppm, Mg(HCO3)2=15ppm, CaSO4= 20

ppm, MgSO4=10ppm, Al2(SO4)3=8 ppm, NaCl=15ppm. (Both lime and

soda is 95% pure). Also calculate the total hardness of water sample.​

Answer 1

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