Removal of nitrogen in waste water, Chemistry

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Question 1:

a. Describe in details the composting process.

b. Odour is very often a big problem in composting facilities.  Describe some odour avoidance and odour treatment strategies that can be adopted to mitigate this problem.

Question 2:

a. Describe why biological processes are preferred to physico-chemical processes for the removal of nitrogen in waste water.

b. Show the impacts of discharging effluents having high nitrogen content in the environment.

c. Show why disinfection of sludge is important and list 7 ways how disinfection of sludge can be achieved.


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