LAboratoire de Spectrochimie Infrarouge et Raman – UMR 8516
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Physical chemistry of the environment

Head: G. Billon

Permanent staff: A. Boughriet , M. Choël , J.P. Cornard , J. Criquet , A. Le Person , L. Lesven , A. Moncomble , S. Net-David , B. Ouddane , J. Prygiel , P.J. Superville , Y. Tobon Correa , M. Wartel

PhDs: J. Adusei-Gyamfi , R. Ben Sghaier , P. Bhurtun , C. Chbib , D. El Hajj , C. Falantin , B. Halwani , D. Jani Thaviligadu , H. Mackeown , R. Sahmarani , S. Seng , G. Trommetter

Non-permanent researchers: J. Gorny

Post-docts: J. Gomez , M. Khaska , A. Ivanovsky , M. Margus

Visiting researchers: O. Alladhin, Dr. S. Ishisaka, S. Lojen, Pr. E.A. Stefaniak

The studies carried out in the group “Physico-chemistry of the Environment” are focused on environmental issues and aim at better understanding:

(i) fundamental physico-chemical processes in natural systems with chemical models to better identify these processes;
(ii) the fate of metallic and organic pollutants in natural systems (aerosol, water, sediment and soil), by developing particularly new tools for on-site monitoring;
(iii) the impacts of these pollutants on the organisms (foliar transfers in upper plants, bioaccumulation in chironomid larvae, impacts on the physiology of aquatic organisms…).

Research conducted within the team are organised into four axes:

Aerosols & Reactivity
Modelisation of metals-organic matter interactions
Characterization tools of aquatic systems under anthropogenic constrains
Applications to studies in natural and industrial sites

This group is organized around 3 topics: the first one deals with the behavior and the fate of pollutants in aquatic systems (rivers, canals, coastal areas…) under several temporal monitoring scales (with the highest frequency of approximately 1 measurement per hour). This approach permits to better understand the daily dynamic of the pollutants and the impacts of exceptional events on the water quality (floods, low water periods) in a context of climate change.

The second topic of the group concerns the characterization and the reactivity of aerosols. This part is internationally recognized, particularly through the use of the Raman micro-imaging that is fully automatized and applied to the chemistry of atmospheric aerosols in in situ conditions. An original focus is actually done on submicronic aerosols from atmospheric sampling and on (photo)reactivity studies at the scale of the single particle.

The last issue concerns the modelling of the metal-organic matter interactions, from organic molecule models, whose reactive sites are representative of humic and fulvic substances. Currently, we are developing mechanistic approaches on the evolution of these interactions during the degradation by photolysis.

During the last period, the group focused researches particularly on metallic pollutants in the environmental compartments (aerosol, soil, sediment, water). In the future project, the recent recruitment would permit to develop the reactivity of organic pollutants in natural and impacted by pesticides, PAH, PCB, emerging pollutants like drugs… environments.

Contracts since 2011

• 1 contrat ADEME
• 1 projet CNRS – NRF (Corée du Sud)
• 3 EC2CO (CNRS INSU)
• 5 PHC (Polonium, Sakura, Star, XU Gangqi, FASIC)
• 1 ECOS-SUD (Argentine)
• 2 contrats collaboration de recherche IRSN
• 1 contrat Andra-Région NPDC
• 1 projet financé par BELSPO (Ministère de la Recherche Belge)
• 1 accord de coopération avec l’Agence de l’Eau Artois-Picardie
• 2 contrats avec l’Agence de l’Eau
• 3 projets Région/FRB
• 1 projet DGA
• 1 projet Chercheurs-Citoyens

Collaborations

Team publications

0 Publications for the year