Question

Which process is used to remove dirt and sand from wastewater?​

Answer 1

The process of sedimentation is used to remove dirt and sand from wastewater.

• Sedimentation is a process through which the heavier components such as sand and dirt settle at the bottom of the tank. The upper water which is now clean is removed. Hence, sedimentation is the process which is used for removing dirt and sand from waste water.
• Other options, such as distillation is not correct as distillation is the process in which a liquid is purified by heating and cooling.

The question is not complete. The complete question is:

Which of the following process is used to remove dirt and sand from wastewater?

A Aeration

B Flocculation

C Sedimentation

D Distillation

Answer 2

Explanation:

Sedimentation is the right answer.....