Abstract
A nitrification/denitrification process was applied to reject water treatment from sludge dewatering at Bottrop central sludge treatment facilities of the Emschergenossenschaft. On-line monitoring of influent and effluent turbidity, closed loop control of DO and pH, and on-line monitoring of nitrogen compounds were combined to a three level control pattern. Though on-line measurement of substrate and product showed substantial response time it could be used to operate nitrification/denitrification within process boundaries.
- Reject water
- nitrification/denitrification
- on-line monitoring
- response time
- © International Association on Water Quality 1993
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Control Strategies for a Highly Loaded Biological Ammonia Elimination Process
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