Question

In which type of waste water alum not making coagulation?

Answer 1

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When alum is added to water, it reacts with the water and results in positively charged ions. Coagulation/flocculation is a process used to remove turbidity, color, and some bacteria from water. ... These particles have a negative charge, so the positively charged coagulant chemicals neutralize them during coagulation.♥️

Answer 2

In which type of waste water alum not making coagulation is hard water