Describe aerobic biological treatment of effluent.

In the subtopic Waste water treatment, this learning objective focuses on describe aerobic biological treatment of effluent. Within Using the Earth's resources and obtaining potable water, students should explain this idea in the exact curriculum context rather than as an isolated fact. Approved keywords for this objective include effluent and aerobic biological treatment. aerobic biological treatment means a process that uses microorganisms to break down organic matter in effluent in the presence of oxygen. Avoid students often confuse aerobic biological treatment with anaerobic digestion, thinking both processes occur in the absence of oxygen; instead remember that aerobic treatment requires oxygen, while anaerobic digestion occurs without oxygen. Focus on the role of oxygen in the breakdown of organic matter. For exam answers, focus on the role of microorganisms in aerobic biological treatment of effluent.