Use of a trickling filter that sprays wastewater over rocks coated with biofilms which aerobically degrade organic matter is an example of the ________.

Question

Quizplus · Accepted Answer

Trickling filters are a part of the secondary phase of wastewater treatment, which involves the biological treatment of the wastewater to remove organic matter. The primary phase of treatment involves physical removal of solids, while the tertiary phase involves advanced treatment for removal of nutrients and other contaminants.

Use of a Trickling Filter That Sprays Wastewater Over Rocks