QUESTION 1
(a) In many parts of the world, health problems and diseases have been caused by discharging untreated or inadequately treated wastewater. Discuss comprehensively possible health as well as environmental impacts associated with improper wastewater management.
(b) Explain the precautions that should be taken by plant operators while handling chlorine gas used in disinfection of wastewater.
QUESTION 2
(a) Describe the physical, chemical, and biological properties of solid wastes.
(b) What are the benefits of cured composting?
QUESTION 3
You are working in a textile factory and have been requested to carry out a wastewater characterisation study. Explain fully the parameters that you would consider in your study and their importance.