What is the size of the openings for a fine screen?

Which type of treatment is the coarse screen?

How are colour and odour removed?

Which type of reactor is used for stripping off gases from water?

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

Heat treatment involves heating of the sludge. The supernatant from the heat treatment system is rich in _______

Which type of reactor is used in ion exchange or adsorption?

The diameter of the impeller is usually 1/3 rd of the vessel diameter.