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What is the principle of lime soda process

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Reference no: EM13883659

1. What is the principle of Lime Soda process? Give their functions with chemical reactions.

2. Write notes on Reserve osmosis and Ultra filtration.

3. With a neat diagram explain the ion exchange method for water softening.

4. Calculate the quantity of lime and soda in 20% excess for softening 50,000 liters of hard water containing Ca(HCO3)2 = 8.1mgs/lit, Mg(HCO3)2 = 7.3mgs/lit, CaSO4 = 13.6mgs/lit, MgCl2 = 4.75mgs/lit, CaCl2 = 13.875mgs/lit, NaCl = 10mgs/lit.

5. A zeolite softener was exhausted after passing 4460 liters of hard water. Calculate the hardness of the water if it required 100 liters of salt solution containing 150gm NaCl/litre.

Reference no: EM13883659

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