Why Alums Are added in Town Water Supply?

Town water consists of suspended particles such as impurities having colloidal dimension when alums are added in such water the ions provided by alums remove the surface charge present in a colloidal impurities so there precipitation occure such precipitation can be easily removed by filtration and the water will be obtained in more pure forms.
Why Alums Are added in Town Water Supply? Why Alums Are added in Town Water Supply? Reviewed by Ramchandra poudel on 8:24:00 AM Rating: 5

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