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Welcome to the CEREGE collection

CEREGE, Centre de Recherche et d’Enseignement de Géosciences de l’Environnement (Centre for Research and Teaching in Environmental Geoscience), regroups around 130 permanent staff (45 university lecturers and professors, 40 researchers and 45 engineers, technicians, and administrative staff), and 110 temporary staff including around 60 graduate students. CEREGE is a joint research centre (UM 34), incorporating Aix-Marseille University (AMU), the CNRS (UMR7330), the IRD (UMR 161), and the COLLEGE DE France. The INRA is also a partner. We are located in Provence, at the Technopôle Environnement Arbois Méditerranée, Petit Plateau de l’Arbois (Aix-en-Provence, Les Milles) and on the St Charles campus of AMU in Marseille. Thanks to its theoretical, methodological, and technological approaches to research, CEREGE is strongly interdisciplinary

Latest submissions in HAL !

[hal-03268462] High increase in biodegradability of coking wastewater enhanced by Mn ore tailings in Fenton/O3 combined processes

(6/24/21)  
Coking wastewater contains high concentration of organic pollutants and seriously endangers the natural ecological balance and human health. This study proposes a novel pre-treatment method that can significantly improve removal efficiency of organic pollutants in coking wastewater by the concept of "treating waste with waste." Three two-step advanced oxidation processes were proposed by combining Fenton, ozonation with manganese tailings: (i) O-3/Mn tailings + H2O2, (ii) O-3/Mn tailings + Fenton and (iii) Fenton + O-3/Mn tailings. Results show that (1) Fenton + O-3/Mn tailings presented the best removal efficiency in the three combined processes. The reaction process was carried out by first performing Fenton reaction on the wastewater for 65 min, and then, the reaction wastewater was subjected to ozone and manganese tailings mixed reaction for 30 min, and the chemical oxygen demand (COD) and chromaticity were reduced by 61.0% and 96.1%, respectively. (2) After pre-treated with Fenton, the biodegradability of the wastewater can be significantly increased. When Fenton + O-3/Mn ore tailings were used to pre-treat the raw water, the biodegradability (BOD5/COD) of the wastewater was increased to 0.54. It is proved that the combined process Fenton + O-3/Mn ore tailings has better performance than the ordinary single advanced oxidation process. Compared with the existing methods, the addition of manganese tailings containing manganese oxides as catalytic free radicals can significantly improve the treatment activity of advanced oxidation process (AOPS).

[hal-03266991] Further away with dental microwear analysis: Food resource partitioning among Plio-Pleistocene monkeys from the Shungura Formation, Ethiopia

(6/24/21)  

[hal-03266715] Using 10 Be dating to determine when the Cordilleran Ice Sheet stopped flowing over the Canadian Rocky Mountains

(6/24/21)  

 

 

Contact

Catherine Beaussier
Tél. (+33) 4 95 04 41 43
catherine.beaussier@osupytheas.fr

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