Question

What is the most important step in water treatment?

Answer 1

Answer:

Usage of chlorine is the most important step!!!!

Answer 2

It is, however, an important primary step in the water treatment process, because coagulation removes many of the particles, such as dissolved organic carbon, that make water difficult to disinfect. Because coagulation removes some of the dissolved substances, less chlorine must be added to disinfect the water.