What is the primary goal of secondary treatment in wastewater management?

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Question: What is the primary goal of secondary treatment in wastewater management?

Options:

Correct Answer: To reduce biochemical oxygen demand (BOD)

Solution:

The primary goal of secondary treatment is to reduce biochemical oxygen demand (BOD) by degrading organic matter through microbial activity.

What is the primary goal of secondary treatment in wastewater management?

What is the primary goal of secondary treatment in wastewater management?

Step 1: Understand that wastewater contains organic matter, which is material from living things that can pollute water.
Step 2: Learn that biochemical oxygen demand (BOD) is a measure of how much oxygen is needed by microorganisms to break down this organic matter.
Step 3: Know that secondary treatment is a process used to clean wastewater after primary treatment.
Step 4: Realize that the main goal of secondary treatment is to lower the BOD by using microorganisms to eat and break down the organic matter.
Step 5: Conclude that by reducing BOD, secondary treatment helps make the water cleaner and safer for the environment.

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