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Calculate the amount of lime and soda require for softening

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Q. 1: Water contains following impurities in ppm: Ca(HCO3)2 = 75 ppm, Mg(HCO3)2 = 73ppm, CaCl2 = 95 ppm, MgSO4 = 30 ppm, CO2 = 20. Calculate the amount of lime (85%pure) and Soda (95% pure) require for softening of 2,50,000 litres of water using sodiumaluminate as a coagulant at the rate of 16.4 ppm.

Reference no: EM13928147

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