Wastewaters treatment

The remediation processes we are investigating at the M² group can be potentially applied to a wide range of of wastewaters from different origin e.g., municipalities, hospitals and industries. To reach these potential applications (or semi-applied research using pilot scale reactors), we believe our fundamental research using effluents from municipal WWTP is highly relevant and you can see our recent advances by clicking HERE.   

We are employing different techniques to study the degradation of organic pollutants in water. Indeed, UV-visible spectrophotometer and high performance liquid chromatography (HPLC) are used to investigate the degradation extents at different reactions times. Total organic carbon (TOC) analysis is also employed to determine the mineralization extent of the organic pollutants. In addition, the degradation pathways of organic pollutants are also proposed by using data from liquid chromatography coupled to mass spectrometry (LC-MS) and ionic chromatography coupled to mass spectrometry (IC-MS). The surface chemistry and the redox processes occuring at the surface of the nanomaterials are investigated by x-ray photoelectron spectroscopy (XPS) and the identification of reactive transcient species are monitored by electron paramagnetic resonance (EPR). All these characterization techniques are crucial to assess the efficiencies of our prepared nanomaterials, but also to understand their properties.

Sources (pictures):
Jacques Yves Cousteau http://blog.ac-versailles.fr/svtnoailles/index.php/post/09/09/2017/Le-commandant-Jacques-Yves-Cousteau
Harlow Shapley https://fr.wikipedia.org/wiki/Harlow_Shapley
Loren Eiseley https://stringfixer.com/fr/Loren_Eisley