Why is the sludge returned from the secondary clarifier to the aeration tank in activated sludge used for nitrification?

Study for the Colorado Wastewater (WW) Operator D Test. Enhance your skills with flashcards and multiple-choice questions, each offering hints and explanations. Prepare for success!

Multiple Choice

Why is the sludge returned from the secondary clarifier to the aeration tank in activated sludge used for nitrification?

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