Water Treatment & Analysis

Sedimentation is a physical process used in wastewater treatment to

The purest form of naturally occurring water is

BOD stands for

When temporary hard water is boiled, one of the substances formed is

Zeolite softening process removes both temporary and permanent hardness of water. In this process the calcium and magnesium present in water are precipitated as

The process in which water is passed through filter beds of sand and gravel to remove smaller particles of dust is called

An addition of small dose of chlorine gas to the filtered water is known as

Which of the following ion get released from the cation exchange column in Ion exchange Water treatment Process.

The chemical formula of zeolite is

The exhausted zeolite is reclaimed by treating the bed with a