Question

The first stage of water treatment is:
a) Plain sedimentation
b) Coagulation
c) Filtration
d) Disinfection

Answer 1

Coagulation is the first steps in water treatment.

Answer 2

The first stage of water treatment is coagulation

Option B

Explanation:

• Water treatment in the water treatment plant usually follow some steps.
• The first step in the treatment of water is coagulation.
• Here the water is given some electrical charge so that the charged ions settle down at the bottom.
• This process is known as coagulation.
• This process usually takes 1 to 2 hours
• The importance of the step of water treatment is to remove harmful chemicals which are present in water.

To know more about coagulation of water,

Explain the mechanism of coagulation of water in water treatment

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