Question1. Explain and compare the dissimilar waste collection systems.
Question2. State potential occupational hazards associated with the waste handling.
Question3. Explain in details composting process.
Question4. Odour is very frequently a big problem in composting facilities. Explain some odour avoidance and odour treatment strategies which can be adopted to mitigate this problem.
Question5. Describe why biological processes are preferred to physico-chemical processes for removal of nitrogen in waste water.
Question6. Explain the impacts of discharging effluents having high nitrogen content in environment.
Question7. Explain why disinfection of sludge is significant and list seven ways how disinfection of sludge can be achieved.