Effects of Butyrate on Autotrophic Anaerobic Ammonium Oxidation (Annammox)

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Anaerobic ammonium oxidation (anammox) process is a heated researched biotechnology for nitrogen removal in wastewater. The application of the process is limited due to its long start-up time and sensitivity to organic matters. This paper discussed the effects of butyrate on anammox process. The nitrogen removal rate of anammox process was elevated at low butyrate content (1 mmol/L) and decreased at high butyrate content (3 mmol/L). NH4+-N:NO2--N:NO3--N:butyrate ratio was 1:1.25:0.08:0.04 and 1:7.26:0.10:1.85 when butyrate concentration was 1 mmol/L and 3 mmol/L.

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410-415

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October 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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