Modelling of inhibition of nitrite oxidation in biological nitritation processes by free ammonia

To understand nitrite build-up in the nitritation process, the inhibition kinetics of free ammonia (FA) on nitrite oxidation were investigated. FA inhibition on nitrite oxidation was the key factor of nitrite build-up and its type was mixed inhibition. Therefore, the mixed inhibition model should be...

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Veröffentlicht in:	Biotechnology letters 2001-12, Vol.23 (24), p.2021-2026
Hauptverfasser:	GIL, Kvung-Ik, CHOI, Eui-So
Format:	Artikel
Sprache:	eng
Schlagworte:	Ammonia Biological and medical sciences Biological treatment of waters Biotechnology Environment and pollution Fundamental and applied biological sciences. Psychology Industrial applications and implications. Economical aspects Nitrates nitrite Oxidation
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Zusammenfassung:	To understand nitrite build-up in the nitritation process, the inhibition kinetics of free ammonia (FA) on nitrite oxidation were investigated. FA inhibition on nitrite oxidation was the key factor of nitrite build-up and its type was mixed inhibition. Therefore, the mixed inhibition model should be adapted to a Michaelis-Menten equation to set up a process rate equation for nitrite oxidation in the nitritation process.[PUBLICATION ABSTRACT]
ISSN:	0141-5492 1573-6776
DOI:	10.1023/A:1013735131185