Question

Pick out the true statement pertaining to water treatment.

a.

Slow sand filters can remove colour completely.

b.

Activated carbon can be used for taste & odour control without subsequent filtration.

c.

Application of activated carbon reduces the temporary hardness of water.

d.

Normally, the turbidity is removed by adding a coagulent prior to sedimentation.

Posted under Basic Chemical Engineering

Answer: (d).Normally, the turbidity is removed by adding a coagulent prior to sedimentation.

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Q. Pick out the true statement pertaining to water treatment.
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