_____ tend to resist conventional methods of wastewater treatment.

Civil Engineering : Waste Water Engineering - Quiz(MCQ)

Nutrients

Suspended solids

Priority pollutants

Refractory organics

Correct Answer : Refractory organics

Explanation : Refractory organics tend to resist conventional methods of wastewater treatment. Typical examples include surfactants, phenols, and agricultural pesticides.

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.