Please tell the answer-
How does alum help in sedimentation
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Please tell the answer-
How does alum help in sedimentation
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Explanation:
Aluminium Sulfate, Shortly known as Alum, when added to raw water reacts with the bicarbonate alkalinities present in water and forms a gelatinous precipitate. This floc attracts other fine particles and suspended material in raw water, and settles down at the bottom of the container.