Which type of treatment does clarification fall in?

Sludge treatment helps is reducing treatment costs.

What is the removal of fine particle sand dissolved solids called?

What is the temperature at which sludge has to be frozen in order to carry out conditioning?

Out of the below given methods which of these have the lowest capital cost?

Out of the below given methods which of these produce an odour?

Refrigeration is a mass transfer process.

From which of the following methods can toxic chemicals be removed?