The principle of lime soda process

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Reference no: EM13944082

1. What is the principle of lime Soda process? Give their functions with chemical reactions.
2. Write notes on reverse osmosis and ultra filtration.
3. With a neat diagram explain the ion exchange method for water softening.
4. Calculate th quantity of lime and soda in 20% excess for softening 50,000 liters of hard water containing Ca(HCO₃)₂ = 8.1 mgs/lit, Mg(HCO₃)₂ = 7.3 mgs/lit, CaSO₄ = 13.6mgs/lit, MgCl₂ = 4.75 mgs/lit, Cacl₂=13.875 mgs/lit, NaCl= 10mgs/lit.
5. A zeolite softener was exhausted after passing 4460 liters of hard water. Calculate the hardness of water if it required 100 liters of salt solution containing 150gm NaCl/litre.

Reference no: EM13944082

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