Question

In which type of settling, settling of particles takes place by the contact of impurities with each other present in wastewater?

(a) Flocculent settling

(b) Hindered settling

(c) Compression settling

(d) Discrete settling

This question was addressed to me during an interview.

Origin of the question is Types of Settling in division Sedimentation and Chemical Clarification of Environmental Engineering

Answer 1

Correct option is (c) Compression settling

To elaborate: When large amounts of impurities are present in water, they contact each other in the compression zone and compression settling takes place.