Anammox

The Anammox process was developed by the Technical University of Delft and is an innovative treatment process for the removal of ammonium from wastewater. It is a shortcut in the nitrogen cycle in which ammonium is directly converted into nitrogen gas. The Anammox process occurs within one of the many granules present in the reactor. Half of the ammonium is oxidized into nitrite by nitration bacteria. Subsequently, Anammox bacteria convert the nitrite and the rest of the ammonium into nitrogen gas. The whole process takes place in one reactor which makes the Annamox process very compact. In conventional methods, at least two reactors are needed for the nitrification and denitrification steps. Another advantage of the Annamox process is that far less oxygen is required to drive the conversion of the ammonium, which substantially reduces the overall treatment cost. Anammox treatment is particularly suited for industrial wastewater high in ammonium content 🙂

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Illustration retrieved from: https://www.zeolite-anammox.com/faq on the 27th of August 2017

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