What does PAO stand for? - Waste Water Engineering Quiz

Civil Engineering : Waste Water Engineering - Quiz(MCQ)

What does PAO stand for?

Polyphosphate-accumulating organisms

Poly-ammonium oxygenate

Poly-ammonium organisms

Phosphate-ammonium organisms

Correct Answer : Polyphosphate-accumulating organisms

Explanation : A group of heterotrophic bacteria, called polyphosphate-accumulating organisms (PAO) are selectively enriched in the bacterial community within the activated sludge.

Recently Updated in Waste Water Engineering Questions

What is the growth of huge amounts of algae and other aquatic plants leading to the deterioration of the water quality called?

Algae growth

Eutrophication

Denitrification

Nitrification

Correct Answer : Option (B) : Eutrophication

Explanation : Eutrophication is the growth of huge amounts of algae and other aquatic plants leading to the deterioration of water quality. The untreated wastewater is rich in organic matter which demands oxygen.