Question

describe cold lime soda process of softing hard water​

Answer 1

Answer:

The water is treated with lime or a combination of lime and soda ash (carbonate ion). These chemicals react with the hardness and natural alkalinity in the water to form insoluble compounds. The compounds precipitate and are removed from the water by sedimentation/clarification.

Answer 2

Answer:

THEORY.

The Aim of Softening:

Lime soda process: In lime-soda process, hard water is treated with lime (CaO or Ca (OH)2) firstly, after that with soda. In this process, the hardness is removed by sedimentation as calcium carbonate or magnesium hydroxide. ...

MATERIALS USED.

RESULTS, CALCULATIONS and DISCUSSION.