- Collaborations
- Projects


Collaborations

Transformation atmoshpérique de polluants organiques volatils et semi volatils
Framework : Projet international de cooperation scientifique
3 years
Laboratory : Research Center for Eco-Environment Sciences, Chinese Academy of Sciences (RCEES), Beijing (China)
http://www.rcees.ac.cn/en/
Pr MU Y.



Projects

VOLTAIRE : Etude des géofluides et des VOLatils – Terre, Atmosphère et Interfaces – Ressources et Environnement

Framework : Laboratoires d’excellence (LABEX)
From 2011 to 2021
Laboratories :
- Laboratoire d'Economie d'Orléans (LEO), Orléans
http://www.univ-orleans.fr/leo/
- Laboratoire de Physique et Chimie de l’environnement et de l’Espace (LPC2E), Orléans
http://lpce.cnrs-orleans.fr/
- Institut des Sciences de la Terre d'Orléans (ISTO), Orléans
http://www.isto.cnrs-orleans.fr/
- INRA, Orléans
http://www.val-de-loire.inra.fr/
- BRGM, Orléans
http://www.brgm.fr/content/unite-territoriale-apres-mine-utam-centre-ouest


AMIS : fAte and impact of atMospherIc PollutantS

Framework : 7ème PCRD – IRSES (International Research Staff Exchange Scheme)
From 2012 to 2016
Laboratories :
- Research Center for Eco-Environment Sciences, Chinese Academy of Sciences (RCEES), Beijing (China)
http://www.rcees.ac.cn/en/
- PC University of Wuppertal, Germany
http://www.physchem.uni-wuppertal.de/
- Leipzig IFT, Germany
http://www.tropos.de/
- Kobenhavns Universitet, Copenhagen - Danemark
http://www.ku.dk/English/
- Institut de Recherches sur la Catalyse et l'Environnement de Lyon (IRCELYON), Lyon
http://www.ircelyon.univ-lyon1.fr/
- ICG II, Julich, Germany
http://www.fz-juelich.de/icg/icg-2/
- Fudan University, Shanghai - China
http://www.fudan.edu.cn/englishnew/index.html
- Environnements et Paléoenvironnements Océaniques et Continentaux (EPOC) - Université de Bordeaux 1, Bordeaux
http://www.epoc.u-bordeaux.fr/
- Chinese Research Academy of Environmental Sciences (CRAES-MEP), Beijing - China
http://www.craes.cn/cn/english/org_1_1.html
- CEAM EUPHORE Laboratory, Valencia - Spain
http://euphore.es/
Comment : The project aims at establishing a long-lasting collaboration and creates a network of European and Chinese research centres of excellence in the area of air quality and climate change studies. This aim will be achieved by undertaking joint research activities via collaboration facilitated by individual mobility of researchers between Europe and China. Accordingly, this network will contribute to strengthening and stimulating collaborative research between the partners, enhancing multidisciplinarity in the field of atmospheric chemistry by integrating experimental, theoretical and modelling and promoting mutual awareness for the environmental issues addressed by our scientific community. The network is also aimed at filling gaps in our knowledge in different areas which will increase our ability to further understand the atmospheric chemical processes impacting air quality and climate change.
The project involves 14 partners from Europe and China (France:3, Germany:4, Spain:1, Denmark:1, China: 5). The research groups bring together a fully complementary blend of field monitoring, laboratory measurement and modelling activities, which are not available in any single institution throughout the world.


CRASA : Criegee Radicals As a source of Sulfuric Acid in the atmosphere

Framework : Programme National de Chimie Atmosphérique LEFE (CHAT) du CNRS-INSU
From 2013 to 2015
Laboratories :
- Laboratoire de Physique et Chimie de l’environnement et de l’Espace (LPC2E), Orléans
http://lpce.cnrs-orleans.fr/
Comment : Ce projet vise à mesurer l'impact des aérosols dans l’atmosphère et les processus de leur formation via l’acide sulfurique. Les études cinétique et mécanistique de la réaction de SO2 avec des biradicaux Criegge permettront de déterminer si elle est une source non négligeable d’acide sulfurique dans l’atmosphère


Développement d’un instrument de Mesure Atmosphérique du radical nitrate (NO3)

Framework : Programme National de Chimie Atmosphérique LEFE (CHAT) du CNRS-INSU
From 2013 to 2015
Laboratories :
- Laboratoire de Physique et Chimie de l’environnement et de l’Espace (LPC2E), Orléans
http://lpce.cnrs-orleans.fr/
Comment : It is well recognized nowadays that the tropospheric nighttime chemistry in
many areas is largely controlled by the nitrate radicals (NO3). In the dark
conditions, NO3 is considered as the major initiator of oxidation of most
unsaturated volatile organic compounds (UVOCs) including biogenic
(terpenes, …) and anthropogenic (unsaturated alcohols, ethers, …)
species in addition to sulfur compounds (DMS). NO3 is also reactive
towards a number of saturated VOCs such as aldehydes. The accurate
measurement of NO3 and N2O5 concentrations in the atmosphere is of
tremendous importance in order to understand and assess the real
chemistry of these species. At present, number of techniques are
available for measurements of these species in the atmosphere. However,
some could suffer from difficulties such as on-site calibration … Taking
advantage from the experience of Orleans-CNRS laboratories, LPC2E
and ICARE, in building instrumentation for in-situ measurement of
atmospheric trace gas species (LPC2E) and atmospheric processes
studies (ICARE), we intend, in the present project, to develop a new
technique for detection and monitoring of NO3 and N2O5. The new
instrument will be unique worldwide and complementary to the existing
ones. The system is now in an advanced stage of development and needs
to be adapted for field measurements but first its sensitivity needs to be
improved. It is also planned to intercompare it with the MPI-Instrument
(Mainz) and further test it at the large atmospheric simulation Chamber of
CNRS-ICARE at Orléans (HELIOS)


ONCEM : Chimie des nitrates organiques : sources, puits et impact sur le transport longue distance de l’azote réactif

Framework : ANR
From 2013 to 2015
Laboratories :
- Laboratoire Inter-Universitaire des Systèmes atmosphériques (LISA) , Créteil
http://www.lisa.univ-paris12.fr/
- Institut des Sciences Moléculaires (ISM) - Université de Bordeaux 1, Bordeaux
http://www.ism.u-bordeaux1.fr/
Comment : Le projet se propose de mieux comprendre la chimie des nitrates organiques dans l'atmosphère, leurs mécanismes de formation et de dégradation, qui sont d'intérêt dans la production de l'ozone troposphérique en tant qu'intervenant dans les sources et puits des oxydes d'azote. Il se décline en différentes approches complémentaires que sont des études de cinétique en laboratoire (ICARE), des calculs de chimie théorique permettant de déterminer des rapports de branchement réactionnel (ISM), des expériences en chambre de simulation (LISA) pour se confronter au plus proche de la réalité, un développement expérimental permettant de mieux identifier et quantifier les nitrates organiques (LISA) et deux approches de modélisation (GECKO-A et Chimère, LISA) permettant de proposer un modèle de chimie 0D puis d'évaluer l'impact à grande échelle de la formation des nitrates organiques dans un modèle chimie-transport.


PhotoPaq: Demonstration of Photocatalytic Remediation Processes on Air Quality

Framework : Europe - LIFE +
From 2010-01-01 to 2014-12-31
Laboratories :
- PC University of Wuppertal, Germany
http://www.physchem.uni-wuppertal.de/
- Leipzig IFT, Germany
http://www.tropos.de/
- Laboratoire Inter-Universitaire des Systèmes atmosphériques (LISA) , Créteil
http://www.lisa.univ-paris12.fr/
- Italcementi Group (ITC Group), Italy
http://www.italcementigroup.com/ENG/Research+and+Innovation/
- Institut de Recherches sur la Catalyse et l'Environnement de Lyon (IRCELYON), Lyon
http://www.ircelyon.univ-lyon1.fr/
- Belgium Road Research Centre (BRRC), Belgium
http://www.brrc.be/brrc/e01-01.php
- Aristotle University Thessaloniki, Greece
http://www.auth.gr/home/index_en.html


Integration of European Simulation Chambers for Investigating Atmospheric Processes-Part 2 (EUROCHAMP 2)

Framework : FP7-INFRASRUCTURES-2008-1
From 2009 to 2013
Laboratories :
- University of Manchester, UK
http://manchester.ac.uk/
- University of Leeds, Leeds
http://www.leeds.ac.uk/
- University of Bayreuth, Germany
http://www.uni-bayreuth.de/
- University College Cork, Cork - Republic of Ireland
http://crac.ucc.ie/
- SP Technical Research Institute of Sweden, Sweden
http://www.sp.se/
- PSI-LAC Villigen, Switzerland
http://lac.web.psi.ch/
- PC University of Wuppertal, Germany
http://www.physchem.uni-wuppertal.de/
- Leipzig IFT, Germany
http://www.tropos.de/
- Laboratoire Inter-Universitaire des Systèmes atmosphériques (LISA) , Créteil
http://www.lisa.univ-paris12.fr/
- Kobenhavns Universitet, Copenhagen - Danemark
http://www.ku.dk/English/
- ICG II, Julich, Germany
http://www.fz-juelich.de/icg/icg-2/
- Forschungszentrum Karlsruhe GmbH , Karlsruhe - Germany
http://www.fzk.de/fzk/idcplg?IdcService=FZK&node=Home&lang=en
- CEAM EUPHORE Laboratory, Valencia - Spain
http://euphore.es/
Comment : Concept and objectives
The fundamental objective of the project is the further integration of existing European research facilities to a grid of reaction chambers in a continuation of the EUROCHAMP project. These facilities were created to study the impact of atmospheric processes e.g. on regional photochemistry, global change, as well as cultural heritage and human health effects under as realistic conditions as possible.
Although initial advances in the application of large chambers occurred in the United States and Japan, Europe now leads the world in the use of large, highly instrumented chambers for atmospheric model development and evaluation. Smaller chambers that were designed for specific purposes and are operated by experts in their fields excellently supplement the larger chambers. The integration of all these environmental chamber facilities within the framework of the EUROCHAMP-2 project promotes the retention of Europe's international position of excellence in this area and is unique in its kind worldwide.
The mobilisation of a large number of stakeholders dealing with environmental chamber techniques provides an infrastructure to the research community at a European level that offers maximum support for a broad community of researchers from different disciplines. The EUROCHAMP-2 project will foster the structuring effect of atmospheric chemistry activities performed in European environmental chambers within EUROCHAMP, since it offers the full availability of corresponding facilities for the whole European scientific community.
With respect to the project objectives mentioned above, three network activities, two joint research activities and a transnational access activity are formulated and cross-linked in the EUROCHAMP-2 project.
The major objective of the networking activities within the EUROCHAMP-2 project is to foster the effective interdisciplinary collaboration between the community of atmospheric scientists and colleagues from other disciplines that are closely related to it, which was successfully initiated within the EUROCHAMP project. This will be achieved through the three networking activities of EUROCHAMP-2.
The major objective of the joint research activities within the EUROCHAMP-2 project is the optimisation and further development of the infrastructures' performance. In order to meet these goals, two corresponding research activities are defined in the EUROCHAMP-2 work programme, namely the development and refinement of analytical equipment and the development of chemical and physical modelling techniques.
The infrastructure developed within the EUROCHAMP project has already been used by a large variety of scientists not only from the EU but also worldwide. Through the new transnational access activity the infrastructure will be opened more widely to attract even more colleagues from different disciplines related to atmospheric chemistry to make use of the infrastructure.


AOVEA (Aérosols Organiques et Vapeur d'Eau Atmosphérique)

Framework : Région Centre
From 2011 to 2013
Laboratories :
- Laboratoire de Physique et Chimie de l’environnement et de l’Espace (LPC2E), Orléans
http://lpce.cnrs-orleans.fr/
Comment : La vapeur d'eau et les aérosols atmosphériques jouent un rôle majeur dans la régulation du bilan radiatif terrestre et dans la chimie atmosphérique. Cependant, de grandes incertitudes persistent sur la part de leur contribution. Une meilleure connaissance de ces phénomènes nécessite l’utilisation d’instrumentation scientifique sensible et adaptée aux milieux à étudier. Le groupe « Atmosphère » Orléanais (OSUC/ICARE-LPC2E) dispose de dispositifs expérimentaux et d’une plateforme de pointe ce qui lui permet de mener des études approfondies sur le milieu atmosphérique, notamment sur la qualité de l’air et le changement climatique, en continuité entre les études de laboratoire (chambre de simulation HELIOS) et les mesures in situ sous ballon.


DISPATMO : Etude de la prévision des risques de pollution liés à la DISPersion ATMOsphérique de produits chimiques

Framework : Europe / FEDER - Conseils Régional et Général du Cher
From 2011 to 2013
Laboratories :
- Sucrerie de Toury, Chateauroux
- Pôle National des Risques Industriels (PNRI), Bourges
http://www.ensi-bourges.fr/recherche/pnri#.UgJaQaNOKAg
- Nexter - Munitions, Bourges
http://www.nexter-group.fr/fr/nexter-munitions/bourges
- Institut Pluridisciplinaire de Recherche en Ingénierie des Systèmes, Mécanique et Energétique (PRISME) - Université d'Orléans, Orléans
http://www.univ-orleans.fr/prisme
- @b-PROD , Châteauroux
http://www.abprod.com/
Comment : La dispersion de produits chimiques sous forme solide ou gazeuse lors d'accidents dans les dépôts de stockage de produits chimiques (oxydant, réducteur, engrais, ...) au sein d'industries en particulier classées SEVESO peut entraîner des risques pour l'environnement.
Les conséquences au niveau impact environnemental pour la population des alentours seront fonction de la nature des produits émis mais surtout de leurs concentrations et toxicité.
Aujourd'hui les études de risques réalisées dans ces entreprises prennent en compte l'origine du risque (nature et quantité des produits dangereux) et estiment des zones au niveau des risques liés aux explosions ou incendies (effet de souffle, propagation incendie,...). Il en résulte des zones de danger spécifiques à ces risques.
Pour les critères environnementaux, il n'existe pas aujourd'hui d'outils spécifiques adaptés au besoin des entreprises possédant des stocks importants et variés de produits chimiques.
L'objectif de ce projet est de développer et de valider des outils de prévision numérique permettant de déterminer les zones de danger pour la population et l'environnement lors d'incendie ou d'explosion au niveau des centres de stockage de produits chimiques.


COGNAC : Chemistry of Organic biradicals: GeNesis of AtmospheriC aerosols

Framework : ANR
From 2017 to 2013
Laboratories :
- Laboratoire de Physique et Chimie de l’environnement et de l’Espace (LPC2E), Orléans
http://lpce.cnrs-orleans.fr/
- Institut de Recherches sur la Catalyse et l'Environnement de Lyon (IRCELYON), Lyon
http://www.ircelyon.univ-lyon1.fr/
- Environnements et Paléoenvironnements Océaniques et Continentaux (EPOC) - Université de Bordeaux 1, Bordeaux
http://www.epoc.u-bordeaux.fr/
Comment : Just over the last years, important findings were made associated either with some
unexpected cycling of HOx radicals or with the importance of Criegee Biradicals (CBs) produced during the
ozonolysis of unsaturated volatile organic compounds. The CBs may either promptly decompose leading to
formation of radicals (OH, RO2) or be collisionaly stabilised and undergo reactions with NOx, SO2, H2O as
well as with other organic compounds. The reaction of certain CBs with SO2 leading to the H2SO4 formation
has been found very recently to be surprisingly fast and questioning the role of the Criegee biradicals in
sulfuric acid formation. Such findings have initiated very intense discussion in the scientific community as
they have the potential to drastically affect our understanding of the tropospheric self-cleansing properties.
The COGNAC project plans laboratory based
experiments to derive scientifically sound data on the chemistry of CBs and NO3 (both homogeneously in the
gas phase and heterogeneously involving SOA ozonolysis); by providing new kinetic and mechanistic data
describing the formation at the gas-particle interface of organo-sulfates to assess the potential importance of
these in providing organic particulate matter and finally by incorporating the laboratory derived mechanism
and process in the box and chemical transport models to improve the performance of these models in
predicting atmospheric oxidative capacity and aerosol distribution.


Propriétés photocatalytiques des aérosols minéraux (PhotoDust)

Framework : National Research Agency
From 2009 to 2012
Laboratories :
- Laboratoire des Sciences du Climat et l'Environnement (LSCE) , GIF-SUR-YVETTE
http://www.lsce.ipsl.fr/
- Institut de Recherches sur la Catalyse et l'Environnement de Lyon (IRCELYON), Lyon
http://www.ircelyon.univ-lyon1.fr/


FORMUL'AIR (FORmaldéhyde et siMUlations dans l'AIR : détermination des sources secondaires de formaldéhyde

Framework : Région Centre
From 2014-08-31 to 2011-09-01
Laboratories :
- LIG'AIR (Lig'Air - Surveillance de la qualité de l'air en Région Centre), Orléans
http://www.ligair.fr/
Comment : Three schools (Hight schools in Orleans and Tours, one elementary school in Bourges) were selected for twice 2 weeks continuous in-situ measurements (one in autumn / winter and one spring / summer, in order to characterize the seasonal dependence of the formaldehyde concentrations). An air flow modelling investigation will be first conducted for each site in order to better define the sampling points and the placement of the analytical tools. The use of the most advanced analytical tools with very high sensitivity and specificity (e.g. PTR-TOF-MS, and HCHO, NOx, O3 analyzers…) will enable us to draw a complete cartography of the pollutants in the sites investigated. The complementary laboratory studies will enable to identify the chemical species responsible for the secondary production of the formaldehyde. The obtained results will allow to propose recommendations useful for the reduction of HCHO concentrations in similar sites as those studied in this work.


Reactivity of Oxygenated Volatile Organic Compounds (ROVOC): Esters

Framework : CNRS/INSU (France) - DFG (Germany)
From 2009 to 2011
Laboratories :
- PC University of Wuppertal, Germany
http://www.physchem.uni-wuppertal.de/
Comment : Oxygenated volatile organic compounds (OVOCs) are omnipresent in the atmosphere. Esters (alkyl alkanoates, e.g. RC(O)OR, R = alkyl groups) are an important class of OVOC with both natural and anthropogenic sources. Esters made up of long chain carboxylic acids are the main constituents of animal- and plant-derived waxes and they also occur naturally in fruits and flowers. Various types of esters are used extensively by industry as solvents in chemical processing. The quest for renewable fuels has seen an increase in the use of biodiesel fuels, which typically consist of methyl and ethyl esters of fatty acids. Esters can also be produced in situ in the atmosphere from, for example, the oxidation of ethers. Few measurements of esters in the atmosphere have been made but those measurements, which have been made, confirm the presence of substantial levels of esters in the atmosphere.
Investigations on the atmospheric chemistry of esters to date have been limited to temperature dependent studies of the OH radical kinetics of a number of linear and branched alkyl acetates and room temperature studies of the products from the OH radical or Cl-atom initiated oxidation of a few of these acetates. Studies on methylacetate have shown that the product yield distribution is very temperature dependent. Although this limited set of data has been used to improve the structure-activity relationship (SAR) for alkyl esters at 298 K it is clear that there is a definite need for further refine of the SAR for esters particularly with respect to temperature dependence.
The project has the overall aim of improving the kinetic, product and mechanistic database for the reactions of OH radicals with a variety of esters as a function of temperature over the range 225-372 K and will use this information to further develop and refine the SAR for esters. The project will consist of the following components: i) determination of OH rate coefficients using absolute and relative methods as a function of temperature; ii) determination of the products of the reactions as a function of temperature and O2 partial pressure; iii) construction of explicit and simplified reaction mechanisms for models; iv) development of SAR for a wider range of ester types applicable over the temperature range 225-372 K.


PHOTOchemical Formation of Nitrous Acid in the Atmosphere (PHOTONA)

Framework : CNRS/INSU (France) - DFG (Germany)
From 2009 to 2011
Laboratories :
- PC University of Wuppertal, Germany
http://www.physchem.uni-wuppertal.de/


Atmospheric Pollutants in Chonming Island, Shanghai and Guangzhou: A field study

Framework : CNRS/INEE
From 2009 to 2011
Laboratories :
- Research Center for Eco-Environment Sciences, Chinese Academy of Sciences (RCEES), Beijing (China)
http://www.rcees.ac.cn/en/
- Guangzhou Institute of Geochemistry - Chinese Academy of Sciences (GIG-CAS), Guangzhou (Canton) - China
http://en.gig.ac.cn/Home/tabid/117/Default.aspx
- Fudan University, Shanghai - China
http://www.fudan.edu.cn/englishnew/index.html
- Chinese Research Academy of Environmental Sciences (CRAES-MEP), Beijing - China
http://www.craes.cn/cn/english/org_1_1.html


Nouvelles sources hétérogènes de radicaux atmosphériques (NeoRad)

Framework : National Research Agency (ANR)
From 2008 to 2011
Laboratories :
- Laboratoire Inter-Universitaire des Systèmes atmosphériques (LISA) , Créteil
http://www.lisa.univ-paris12.fr/
- Institut de Recherches sur la Catalyse et l'Environnement de Lyon (IRCELYON), Lyon
http://www.ircelyon.univ-lyon1.fr/
- ATMOS-IPSL, Paris
http://www.ipsl.jussieu.fr/


Photochimie du bâti : sources et puits de polluants oxydants (photoBAT)

Framework : PRIMEQUAL (French Ministry of Environment - ADEME)
From 2007 to 2009
Laboratories :
- Laboratoire Inter-Universitaire des Systèmes atmosphériques (LISA) , Créteil
http://www.lisa.univ-paris12.fr/
- Institut de Recherches sur la Catalyse et l'Environnement de Lyon (IRCELYON), Lyon
http://www.ircelyon.univ-lyon1.fr/