N2O generation resulting from piggery air biofiltration

Dumont, Éric; Lagadec, Solène; Landrain, Paul; Landrain, Brigitte; Andrès, Yves

doi:10.1016/j.cej.2014.03.058

Cited by 13 publications

(10 citation statements)

References 21 publications

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“…NH 3 concentrations obtained with the photoacoustic analyzer were of similar magnitude to those obtained using the acid impinger method taking the difference in the sensitivity of the two techniques into account. This similarity between the two methods was also observed by Dumont et al [21]. Consequently, the photoacoustic analyzer was used to monitor all the NH 3 concentrations.…”

Section: Discussionsupporting

confidence: 75%

“…Another explanation for these different results might be the deposits of dust in the duct that could "smooth" the concentrations at the inlet. Indeed, a significant proportion, (up to 40%) of the NH 3 in the exhausted air from the piggery could be fixed on dust [21] [30]. The NH 3 loading rate is closely correlated with the outside temperature and the airflow rate (r = 0.7, P < 0.05) meaning that more NH 3 enters the air scrubber.…”

Section: Air Scrubber Operating Parametersmentioning

confidence: 99%

“…[17] [19] [20]. N 2 O is generally a by-product of nitrification/denitrification processes [21]. The production of N 2 O also depends on different parameters linked to the air scrubber including the ammonia loading rate, air humidity, temperature, and the composition of the washing water [20]- [22].…”

mentioning

confidence: 99%

“…The multiplexer was set up to connect one inlet or outlet air point every 8 min 30 s, which corresponds to the time required to measure the concentration of five gases eight times. But, because of possible interference in the detection of NH 3 and N 2 O due to the presence of other gases[21] [25] only the last three measurements (i.e. those made after six minutes) of the eight recorded measurements were averaged and used for data analysis.…”

mentioning

confidence: 99%

See 3 more Smart Citations

Assessment of NH3 Reduction and N2O Production during Treatment of Exhausted Air from Fattening Pigs Building by a Commercial Scrubber

Loyon¹,

Dupard²,

Saint-Cast³

et al. 2016

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The use of air scrubbers to reduce ammonia (NH 3) emissions from buildings on pig farms is one of the most promising techniques in the Göteborg protocol and other European regulations including the Industrial Emission Directive. In France, some air scrubbers are currently used on pig farms, mainly to reduce odours from livestock buildings. However, recent research revealed the production of N 2 O resulting from the treatment of air from pig buildings. In this context, a two-month study was conducted on a pig farm with 750 places for fattening pigs to check the abatement of NH 3 emissions and to assess the possible production of N 2 O during treatment of exhausted air from buildings housing fattening pigs by a air scrubber. Concentrations of NH 3 and N 2 O in the inlet and outlet air of the scrubber were continuously monitored using an Innova 1412 infrared analyzer. With the scrubber operating parameters (airflow, design, size), our results confirmed the production of N 2 O in the order of 5% of NH 3-N reduced. N 2 O was produced by biological nitrification and/or denitrification inside the air scrubber. Statistical analysis (Pearson's test) showed that the production of N 2 O was strongly influenced by the rate of airflow and the outside temperature. The abatement of NH 3 emissions from the building was only 33%, i.e. much lower than the 70%-90% usually cited in the literature.

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Section: Discussionsupporting

confidence: 75%

Section: Air Scrubber Operating Parametersmentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

See 2 more Smart Citations

Assessment of NH3 Reduction and N2O Production during Treatment of Exhausted Air from Fattening Pigs Building by a Commercial Scrubber

Loyon¹,

Dupard²,

Saint-Cast³

et al. 2016

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“…3 is questionable for packed beds filled with parallelepipedal particles such as woods chips, a material sometimes used in biofiltration [24][25][26]. In order to take into account the peculiarity of such particles, Comiti and Renaud proposed another general model adapted to the particular structure of this type of bed.…”

Section: Accepted Manuscriptmentioning

confidence: 98%

Assessment of porosity and biofilm thickness in packed beds using porous media models

2016

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Simultaneous removal of ammonia and sulfur odorants in biotrickling filters and N2O production

Du,

You,

Cai

et al. 2024

Bioresource Technology

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N2O generation resulting from piggery air biofiltration

Cited by 13 publications

References 21 publications

Assessment of NH<sub>3</sub> Reduction and N<sub>2</sub>O Production during Treatment of Exhausted Air from Fattening Pigs Building by a Commercial Scrubber

Assessment of NH<sub>3</sub> Reduction and N<sub>2</sub>O Production during Treatment of Exhausted Air from Fattening Pigs Building by a Commercial Scrubber

Assessment of porosity and biofilm thickness in packed beds using porous media models

Simultaneous removal of ammonia and sulfur odorants in biotrickling filters and N2O production

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N2O generation resulting from piggery air biofiltration

Cited by 13 publications

References 21 publications

Assessment of NH&lt;sub&gt;3&lt;/sub&gt; Reduction and N&lt;sub&gt;2&lt;/sub&gt;O Production during Treatment of Exhausted Air from Fattening Pigs Building by a Commercial Scrubber

Assessment of NH&lt;sub&gt;3&lt;/sub&gt; Reduction and N&lt;sub&gt;2&lt;/sub&gt;O Production during Treatment of Exhausted Air from Fattening Pigs Building by a Commercial Scrubber

Assessment of porosity and biofilm thickness in packed beds using porous media models

Simultaneous removal of ammonia and sulfur odorants in biotrickling filters and N2O production

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Assessment of NH<sub>3</sub> Reduction and N<sub>2</sub>O Production during Treatment of Exhausted Air from Fattening Pigs Building by a Commercial Scrubber

Assessment of NH<sub>3</sub> Reduction and N<sub>2</sub>O Production during Treatment of Exhausted Air from Fattening Pigs Building by a Commercial Scrubber