Lagooning process is mainly a means of the__________________?
Correct answer: A. Sludge disposal
- A. Sludge disposal
- B. Reduction of excessive flow in sewers
- C. Biological treatment of wastes
- D. None of these
Explanation
In wastewater practice, sludge lagooning means placing sludge in shallow lagoons for storage, drying, and partial stabilization, so it is mainly a sludge-disposal method. Biological treatment is the broader function of sewage lagoons, but that is not the usual meaning of sludge lagooning here.
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