References of "Romain, Anne-Claude"
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See detailRapport d'étude convention ISSEP-ULg Mesure des odeurs sur le CET Cour au bois 5ème campagne Estimation des nuisances olfactives
Romain, Anne-Claude ULiege; Delva, julien

Report (2014)

L’étude des nuisances olfactives du CET de Cour-au-Bois à Braine-le-Château s’inscrit dans le cadre de la mission "Réseau de contrôle des C.E.T. en Région wallonne" confiée à l'ISSeP par la DGO3 et sous ... [more ▼]

L’étude des nuisances olfactives du CET de Cour-au-Bois à Braine-le-Château s’inscrit dans le cadre de la mission "Réseau de contrôle des C.E.T. en Région wallonne" confiée à l'ISSeP par la DGO3 et sous traitée par l'unité de recherche "Surveillance de l'Environnement" (devenue unité « SAM » depuis janvier 2014*) du Département en Sciences et Gestion de l'Environnement de l'Université de Liège. Le présent rapport concerne la cinquième campagne menée sur le site de Cour-au-Bois et fait suite aux campagnes de 2002, 2004, 2007 et 2010. Il est alimenté par l’étude "odeur" réalisée par Odométric dans le cadre de l'étude d'incidence de 2014 portée par le bureau d’études ABV Environnement SC. L’étude a pour objectif de comparer les résultats obtenus par olfactométrie déambulatoire en 2010 [21] avec ceux de 2014. De plus, des nez électroniques développés par l’unité de recherche ont été placés sur le site entre avril et mai 2014 dans les stations de mesure de la qualité d’air ambiant de l’ISSEP. L’enjeu est d’ordre méthodologique. Il s’agit de comparer une surveillance continue des composés traceurs par des analyseurs avec une surveillance continue de l’ambiance globale (et de l’odeur) avec des capteurs chimiques. Cette étude fera l’objet d’un document annexe. [less ▲]

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See detailOdour monitoring by sensors technology
Romain, Anne-Claude ULiege

Conference (2013, December 18)

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See detailOdour emissions impact of on-farm biogas production with co-digestion : a case study in four European farms of the Great Region
Adam, Gilles ULiege; Gennen, Jérome; Ubeda Sanchez, Yolanda et al

Conference (2013, December 06)

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See detailRecursive PCA of e-nose data for anaerobic digestion reactor state monitoring
Adam, Gilles ULiege; Lemaigre, Sébastien; Romain, Anne-Claude ULiege et al

Poster (2013, July)

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See detailLa problématique de la qualité de l’air
Romain, Anne-Claude ULiege

Scientific conference (2013, April 19)

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See detailProtocols, Standards and Methods for Odour Monitoring by Sensor Technologies
Romain, Anne-Claude ULiege

Conference (2013, March 06)

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See detailMulti-method monitoring of odor emissions in agricultural biogas facilities.
Nicolas, Jacques ULiege; Adam, Gilles ULiege; Ubeda, Yolanda et al

in Proceedings of the 5th IWA conference on odours and air emissions, San Francisco, USA, March, 4-7, 2013 (2013, March)

The production of farm-based biogas and electricity is an area of alternative-energy interest to many livestock producers. However, it is still insignificant in comparison to the maximum potential of ... [more ▼]

The production of farm-based biogas and electricity is an area of alternative-energy interest to many livestock producers. However, it is still insignificant in comparison to the maximum potential of farms all over the world. Market penetration should involve better confidence in the technique and better understanding of its possible assets and limits. For instance, is the environmental impact of biomethanation positive or negative? What are the possible ways to avoid or to control process imbalances? In the context of a European project, the research group attempted to tackle those questions under the angle of gas emission and more particularly of odor annoyance. A multi-method approach was applied to monitor biogas and odor emissions, both at the laboratory level on pilot plants and at real scale in 4 agricultural biogas facilities, in Belgium, Luxembourg, France and Germany. Results show that digested material is generally less odorant than crude manure or slurry, while preserving all the amendment and fertilizing qualities of the original material. Possible annoyance of agricultural biogas facilities in the surroundings remains limited and can be solved through simple techniques. [less ▲]

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See detailUse of specific in-situ sensors : enose
Romain, Anne-Claude ULiege

Conference (2013, January 30)

e-nose principle explanation

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See detail8.3 Landfill of Solid Waste
Romain, Anne-Claude ULiege

in Belgiorno, V (Ed.) Odour Impact Assessment Handbook (2013)

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See detailContinuous odour measurement from fattening pig units
Romain, Anne-Claude ULiege; Nicolas, Jacques ULiege; Cobut, Pierre et al

in Atmospheric Environment (2013), 77

A study in experimental slatted-system fattening pig units was conducted with the aim of estimating the odour emission factor (in ou/s.pig), which can subsequently be used in dispersion models to assess ... [more ▼]

A study in experimental slatted-system fattening pig units was conducted with the aim of estimating the odour emission factor (in ou/s.pig), which can subsequently be used in dispersion models to assess the odour annoyance zone. Dynamic olfactometry measurements carried out at different development stages of pigs showed a logical trend of the mean predicted odour emission factor with the pig weight. However, the variation within the same weight class was much larger than variation between classes. Possible causes of such variation were identified as the evolution of ventilation rate during the day and the circadian rhythm of pig. To be able to monitor continuously the daily variation of the odour, an electronic nose was used with suitable regression model calibrated against olfactometric measurements. After appropriate validation check, the electronic nose proved to be convenient, as a complementary tool to dynamic olfactometry, to record the daily variation of the odour emission factor in the pig barn. It was demonstrated that, in the controlled conditions of the experimental pens, the daily variation of the odour emission rate could be mainly attributed to the sole influence of the circadian rhythm of pig. As a consequence, determining a representative odour emission factor in a real case cannot be based on a snapshot odour sampling. [less ▲]

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See detailEvaluation of an electronic nose for the early detection of organic overload of anaerobic digesters
Adam, Gilles ULiege; Lemaigre, Sébastien; Romain, Anne-Claude ULiege et al

in Bioprocess and Biosystems Engineering (2013), 36(1),

This study aims at the analysis of the utilization of an electronic nose (e-nose) to serve as a specific monitoring tool for anaerobic digestion process, especially for detecting organic overload. An ... [more ▼]

This study aims at the analysis of the utilization of an electronic nose (e-nose) to serve as a specific monitoring tool for anaerobic digestion process, especially for detecting organic overload. An array of non specific metal oxide semiconductor gas sensors were used to detect process faults due to organic overload events in twelve anaerobic semi-continuous reactors of 1.8 L. Three different load strategies were followed (i) a cautious organic load (1.3 gVS•L-1•day-1); (ii), an increasing load strategy (1.3 to 5.3 gVS∙L-1•day-1) and (iii) a cautious organic load with load pulses of up to 12 gVS•L-1•day-1. A first monitoring campaign was conducted with three different substrates : sucrose, maize oil, and a mix of sucrose/oil during 60 days. The second campaign was run with dry sugar beet pulp during 45 days. Hotelling's T²-value and upper control limit to a reference set of digesters fed with a cautious OLR (1.3 gVS•L-1•day-1), was used as indirect state variable of the reactors. Overload situations were identified by the e-nose apparatus with Hotelling’s T²-values at least 4-times higher in magnitude than the upper control limit of 23.7. These results confirmed that the e-nose technology appeared promising for online detection of process imbalances in the domain of anaerobic digestion. [less ▲]

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See detailPotential of a network of electronic noses to assess in real time the odour annoyance in the environment of a compost facility
Nicolas, Jacques ULiege; Cerisier, C; Delva, J et al

in Del Rosso, Renato (Ed.) Chemical engineering transactions : NOSE2012 International Conference on Environmental Odour (2012, September)

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See detailAPPLICATION OF CHEMICAL MASS BALANCE METHODOLOGY TO IDENTIFY THE DIFFERENT SOURCES RESPONSIBLE FOR THE OLFACTORY ANNOYANCE AT A RECEPTOR-SITE
Clarke, Kevin; Romain, Anne-Claude ULiege; Locoge, Nadine et al

in Del Rosso, Renato (Ed.) Chemical engineering transactions : NOSE2012 International Conference on Environmental Odour (2012, September)

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See detailAN ALTERNATIVE APPROACH OF THE E-NOSE TRAINING PHASE IN ODOUR IMPACT ASSESSMENT
Giuliani, Stefano; Zarra, T; Nicolas, Jacques ULiege et al

in Del Rosso, Renato (Ed.) Chemical engineering transactions : NOSE2012 International Conference on Environmental Odour (2012, September)

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See detailImpacts environnementaux des unités de biométhanisation
Nicolas, Jacques ULiege; Neyrinck, Roland; Cerisier, Christophe et al

Report (2012)

The report presents a study conducted in the frame of a European Interreg project. The role of the research group was to investigate the possible environmental impacts of on-farm biogas production from ... [more ▼]

The report presents a study conducted in the frame of a European Interreg project. The role of the research group was to investigate the possible environmental impacts of on-farm biogas production from anaerobic reactors. The odour impact was chiefly analysed with the aim of assessing the odour generated by farms equipped for biogas production compared to classical farms. Also, the odour levels in the head space of various materials, either prior or after methanation were compared, using different methods. [less ▲]

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See detailCompost pile monitoring with GC-MS, e-nose and olfactometry : comparison of different approaches
Gutierrez, M.C.; Chica, A.F; Romain, Anne-Claude ULiege

in Trémier, Anne; Dabert, Patrick; Druilhe, Céline (Eds.) et al Book of abstracts of the 8th international conference ORBIT2012 (2012)

This paper proposes a comparison of complementary approaches to monitor the odours : e-nose, olfactometry and GC-MS. The odour source selected for this study is a green waste compost at different maturity ... [more ▼]

This paper proposes a comparison of complementary approaches to monitor the odours : e-nose, olfactometry and GC-MS. The odour source selected for this study is a green waste compost at different maturity stages. The study site is a composting facility, located in the south of Belgium. [less ▲]

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See detailQuatrième campagne de mesure des odeurs sur le CET "Champ de Beaumont" à Monceau-sur-Sambre Estimation et monitoring des nuisances olfactives
Nicolas, Jacques ULiege; Thomas, Jean-François; Delva, Julien et al

Report (2011)

The study is conducted in the frame of a programme of monitoring of all landfill sites in Wallonia. The "odour" part is assigned to ULg. The present report concerns more particularly a fourth campaign on ... [more ▼]

The study is conducted in the frame of a programme of monitoring of all landfill sites in Wallonia. The "odour" part is assigned to ULg. The present report concerns more particularly a fourth campaign on the site of "Champ de Beaumont at Monceau-sur-Sambre. Besides the usual field inspection technique, the research group has used electronic noses to monitor the emissions of odours near the source so as the analysis of complaints in the surroundings. [less ▲]

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See detailGas sensor array applied to the monitoring of biogas process
Adam, Gilles ULiege; Lemaigre, Sébastien; Romain, Anne-Claude ULiege et al

Conference (2011, May)

There is a lack of simple online monitoring system to control the performances of biogas reactors. The electronic nose technology appears to be an adapted device to deliver fast information about process ... [more ▼]

There is a lack of simple online monitoring system to control the performances of biogas reactors. The electronic nose technology appears to be an adapted device to deliver fast information about process disturbances in anaerobic reactors as it is adequate for online monitoring. In this study, twelve anaerobic mini-reactors were supervised with a home-made e-nose to observe process reaction in relation to organic overloads events. Usually, to avoid overload situations, on farms reactors are not fed at maximum load capacity, resulting in non optimized biogas production. The objective of the experiment was to determine if the gas sensors array feature can be related to the process state and if an indirect state variable, giving early warning of process faults, can be derived from the e-nose response. <br />The results demonstrated that focusing on gas phase of anaerobic reactors with a simple device composed of an array of non-specific gas sensors helped in the warning of disorders of the anaerobic digestion process. Mahalanobis distance from a cautious feeding group (group of observations indicating a good process) can be used as an indirect variable to evaluate the intensity of the state disorder. Euclidean distance has been also calculated but it was less informative than the Mahalanobis distance. [less ▲]

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