Question: Q . 2 2 A river water sample has pH of 4 and suspended solids concentration of 1 0 0 m g L . If

Q.22 A river water sample has pH of 4 and suspended solids concentration of 100mgL. If, alum is chosen as a coagulant, what will be the coagulation mechanism?
(A) Ionic layer compression only
(B) Sweep coagulation and Polymer bridging
(C) Polymer bridging only
(D) Charge neutralization, surface adsorption, ionic layer compression
Q . 2 2 A river water sample has pH of 4 and

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