Water/Wastewater
Intermittent Control System Based on NH4 + NO3 + O2
Jul 02 2009
Author: Uwe Karg on behalf of Hach Lange GmbH
Maximum operational reliability and degradation efficiency are assured in Rhede (NRW, Germany) by a combination of a nitrate probe and an ammonium electrode. Together they regulate nitrogen elimination in the intermittently aerated B stage of an A-B plant. The sewage treatment plant has to deal with industrial wastewater, and therefore has a high-load. A stage, after which reliable monitoring of this relevant nitrogen parameter is required. Consistently low outflow values can only be achieved through the use of both process measurement instruments together.
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