Why Does Secondary Treatment of Wastewater Require O2

question 45

Multiple Choice

Why does secondary treatment of wastewater require O2?

• A) Secondary treatment relies on anaerobic microbes to oxidize organic material.
• B) Secondary treatment relies on anaerobic microbes to reduce organic material.
• C) Secondary treatment relies on aerobic microbes to oxidize organic material.
• D) Photosynthetic bacteria are involved in secondary treatment and they require O2.
• E) Flocs require oxygen to facilitate biofilm formation.

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Definitions:

Impregnation

The process of fertilizing an egg, resulting in pregnancy, or the act of permeating an object with another substance.

Implants

Medical devices or tissues inserted into the body, often for reconstructive or therapeutic purposes.

Hormonal Methods

Contraceptive techniques that employ hormones, such as estrogen and progestin, to prevent ovulation and thereby prevent pregnancy.

Mixed-Sex Couple

A romantic or sexual partnership comprising one male and one female individual.