Effect of dynamic process conditions on nitrogen oxides emission from a nitrifying culture

Marlies J. Kampschreur; Nico C.G. Tan; Robbert Kleerebezem; Cristian Picioreanu; Mike S.M. Jetten; Mark C.M. Van Loosdrecht

doi:10.1021/es071667p

Effect of dynamic process conditions on nitrogen oxides emission from a nitrifying culture

Marlies J. Kampschreur, Nico C.G. Tan, Robbert Kleerebezem, Cristian Picioreanu, Mike S.M. Jetten, Mark C.M. Van Loosdrecht

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269 Scopus citations

Abstract

Nitric oxide (NO) and nitrous oxide (N2O) emissions from nitrifying ecosystems are a serious threat to the environment. The factors influencing the emission and the responsible microorganisms and pathways were studied using a laboratory-scale nitrifying reactor system. The nitrifying culture was established at growth rates relevant to wastewater treatment plants (WWTPs). During stable ammonia oxidation, 0.03% of ammonium was emitted as NO and 2.8% was emitted as N2O. Although mixed cultures were used, clear responses in emission of ammonia oxidizing bacteria (AOB) could be detected and it was concluded that the denitrification pathway of AOB was the main source of the emissions. Emissions of nitrogen oxides in the system were strongly influenced by oxygen, nitrite, and ammonium concentrations. Steady state emission levels greatly underestimate the total emission, because changes in oxygen, nitrite, and ammonium concentrations induced a dramatic rise in NO and N2O emission. The data presented can be used as an indication for NO and N2O emission by AOB in plug-flow activated sludge systems, which is highly relevant because of the atmospheric impact and potential health risk of these compounds. © 2008 American Chemical Society.

Original language	English (US)
Pages (from-to)	429-435
Number of pages	7
Journal	Environmental Science and Technology
Volume	42
Issue number	2
DOIs	https://doi.org/10.1021/es071667p
State	Published - Jan 15 2008
Externally published	Yes

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ASJC Scopus subject areas

Environmental Chemistry
General Chemistry

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title = "Effect of dynamic process conditions on nitrogen oxides emission from a nitrifying culture",

abstract = "Nitric oxide (NO) and nitrous oxide (N2O) emissions from nitrifying ecosystems are a serious threat to the environment. The factors influencing the emission and the responsible microorganisms and pathways were studied using a laboratory-scale nitrifying reactor system. The nitrifying culture was established at growth rates relevant to wastewater treatment plants (WWTPs). During stable ammonia oxidation, 0.03% of ammonium was emitted as NO and 2.8% was emitted as N2O. Although mixed cultures were used, clear responses in emission of ammonia oxidizing bacteria (AOB) could be detected and it was concluded that the denitrification pathway of AOB was the main source of the emissions. Emissions of nitrogen oxides in the system were strongly influenced by oxygen, nitrite, and ammonium concentrations. Steady state emission levels greatly underestimate the total emission, because changes in oxygen, nitrite, and ammonium concentrations induced a dramatic rise in NO and N2O emission. The data presented can be used as an indication for NO and N2O emission by AOB in plug-flow activated sludge systems, which is highly relevant because of the atmospheric impact and potential health risk of these compounds. {\textcopyright} 2008 American Chemical Society.",

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day = "15",

doi = "10.1021/es071667p",

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T1 - Effect of dynamic process conditions on nitrogen oxides emission from a nitrifying culture

AU - Kampschreur, Marlies J.

AU - Tan, Nico C.G.

AU - Kleerebezem, Robbert

AU - Picioreanu, Cristian

AU - Jetten, Mike S.M.

AU - Van Loosdrecht, Mark C.M.

N1 - Generated from Scopus record by KAUST IRTS on 2022-09-13

PY - 2008/1/15

Y1 - 2008/1/15

N2 - Nitric oxide (NO) and nitrous oxide (N2O) emissions from nitrifying ecosystems are a serious threat to the environment. The factors influencing the emission and the responsible microorganisms and pathways were studied using a laboratory-scale nitrifying reactor system. The nitrifying culture was established at growth rates relevant to wastewater treatment plants (WWTPs). During stable ammonia oxidation, 0.03% of ammonium was emitted as NO and 2.8% was emitted as N2O. Although mixed cultures were used, clear responses in emission of ammonia oxidizing bacteria (AOB) could be detected and it was concluded that the denitrification pathway of AOB was the main source of the emissions. Emissions of nitrogen oxides in the system were strongly influenced by oxygen, nitrite, and ammonium concentrations. Steady state emission levels greatly underestimate the total emission, because changes in oxygen, nitrite, and ammonium concentrations induced a dramatic rise in NO and N2O emission. The data presented can be used as an indication for NO and N2O emission by AOB in plug-flow activated sludge systems, which is highly relevant because of the atmospheric impact and potential health risk of these compounds. © 2008 American Chemical Society.

AB - Nitric oxide (NO) and nitrous oxide (N2O) emissions from nitrifying ecosystems are a serious threat to the environment. The factors influencing the emission and the responsible microorganisms and pathways were studied using a laboratory-scale nitrifying reactor system. The nitrifying culture was established at growth rates relevant to wastewater treatment plants (WWTPs). During stable ammonia oxidation, 0.03% of ammonium was emitted as NO and 2.8% was emitted as N2O. Although mixed cultures were used, clear responses in emission of ammonia oxidizing bacteria (AOB) could be detected and it was concluded that the denitrification pathway of AOB was the main source of the emissions. Emissions of nitrogen oxides in the system were strongly influenced by oxygen, nitrite, and ammonium concentrations. Steady state emission levels greatly underestimate the total emission, because changes in oxygen, nitrite, and ammonium concentrations induced a dramatic rise in NO and N2O emission. The data presented can be used as an indication for NO and N2O emission by AOB in plug-flow activated sludge systems, which is highly relevant because of the atmospheric impact and potential health risk of these compounds. © 2008 American Chemical Society.

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DO - 10.1021/es071667p

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JF - Environmental Science and Technology

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Effect of dynamic process conditions on nitrogen oxides emission from a nitrifying culture

Abstract

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