Wastewater Treatment Operator Class III Practice Questions - ABC WPI Wastewater Treatment Operator Class III Certification Exam

A Modified UCT process differs from standard UCT primarily by which design feature?

Adding a re-aeration zone after the aerobic zone Splitting the anoxic zone into two stages to reduce nitrate carryover Eliminating the anaerobic zone entirely Adding chemical phosphorus precipitation at the head of the plant

Correct Answer:

Splitting the anoxic zone into two stages to reduce nitrate carryover

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