Journal des sciences de la Terre et du changement climatique

Abstrait

Adsorption of Micro Pollutants in the Marine Environment

Rajesh Behar

Maturing of different plastics in marine climate was checked after drenching of two engineered (polyvinylchloride, PVC, and polyethylene terephthalate, PET) and one biodegradable (polybutylene adipate coterephtalate), plastics for 502 days in the cove of Lorient (Brittany, France). Information examination shows that matured PVC quickly delivers estrogenic mixtures in seawater with a later adsorption of substantial metals; PET goes through a low debilitating of the surface while no estrogenic action is identified; PBAT ages quicker in marine climate than PVC. Matured PBAT displays heterogeneous surface for certain depressions probably containing mud minerals from the chlorite bunch. Furthermore, this corrupted material every so often shows a high estrogenic action. Generally, this examination reports, interestingly, that some matured plastics, without being cytotoxic, can deliver estrogenic mixtures in marine climate.