It had been proved that EET-dependent Anammox exists ubiquitously without the need of oxygen or nitrite as electron donors which provides an peculiarly interesting choice to remove ammonium from sewage but keeping an extremely low ammonium transformation rate which is one of the exceptions to the beauty.
- If it's possible to realize completely anaerobic ammonium removal through this process during domestic wastewater treatment?
- What could be had a try to breach the rate-limitation?
Anammox is a unique process by which certain microorganisms can convert ammonium and nitrite into harmless nitrogen gas under anaerobic conditions, without the need for external organic carbon sources. Anammox process is still an active area of research and investigation. Scientists are studying its potential significance in nitrogen removal efficiency, environmental implications, and engineering applications. However, our understanding of this process is evolving, and ongoing research will provide more insights into its role and relevance.
Hi Dylan Ming-Han Li ,
We successfully applied simultaneous partial nitritation (50% NH4 > NO2) with anammox (50% NH4 + NO2 > N2 gas) in industry at full scale since more than 30 years and achieved over 99% TKN/NH4 removal at low energy consumption. However the phrase "EET-dependent" is new to us. Please clarify the EET term? Thank you.
It seems that the EET stands for "extracellular electron transfer" and seems to be used only in academic discussions about Anammox.
As professional engineers we focus on achieving optimal performance with minimal energy consumption in full scale plants. Hence, most likely, EET is part of our proven SNDN+(tm) process.
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