Illustrate water reuse in petroleum refining industry. Also illustrate how reuse of water can be implemented if segregated waste water collection system exists.
Illustrate the role of dissolved oxygen in treating industrial waste water by with the aid of oxygen sag curve.
Illustrate the suitability of common effluent treatment plants (CETP). What are the problems require to be answered to assess the feasibility of setting up of a CETP.
Illustrate critically effluent standards and Stream standards as an element of stream protection measure.
Illustrate chemical conditioning of boiler water and feed water with the aid of a neat sketch.