Use of a Trickling Filter That Sprays Wastewater Over Rocks

question 61

Multiple Choice

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

• A)primary phase of wastewater treatment
• B)secondary phase of wastewater treatment
• C)tertiary phase of wastewater treatment

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Definitions:

Disinfectant

A chemical agent used to eliminate or significantly reduce the presence of pathogenic microorganisms on surfaces or objects.

Bacterial Contamination

Bacterial contamination refers to the undesirable presence of bacteria in a substance, environment, or object, which can pose health risks.

Fungal Contamination

The unwanted presence of fungi in materials or environments, which can lead to spoilage or health hazards.

Sweet Potato

A nutritious root vegetable known for its sweet taste and orange flesh, rich in vitamins, minerals, and antioxidants.