Nicolas Brehm

Nicolas Brehm
Independent Researcher · Water and Environnement

About

9
Publications
1,284
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23
Citations

Publications

Publications (9)
Article
The production of activated carbon was carried out by impregnating the sargassum with a 85% H3PO4 solution in a mass ratio of 1/3 sargassum/ H3PO4, with an impregnation time of 15 hours. The production of activated carbon from sargassum was carried out in a pyrolytic muffle furnace with a controlled nitrogen atmosphere. Sargassum samples were colle...
Article
Full-text available
Adsorption is one of the most successful physicochemical approaches for removing heavy metal contaminants from polluted water. The use of residual biomass for the production of adsorbents has attracted a lot of attention due to its cheap price and environmentally friendly approach. The transformation of Sargassum—an invasive brown macroalga—into ac...
Presentation
El recurso hídrico es uno de los más importantes para la vida de los seres humanos y los ecosistemas que forman las cuencas hidrográficas. La cuenca del río Nigua, en San Cristóbal, República Dominicana, es una de las más importantes del país, y el agua de su cauce se ha visto amenazada por la actividad antrópica y fenómenos meteorológicos extremos...
Poster
Full-text available
The aims of the study were to compare the bioaccumulation of pesticides in beeswax and the impact on bee health through via the level of oxidation of proteins. In French Guiana, three apiaries with three beehives of Apismelifera have been followed forone year. These apiaries were in three different situations of pesticides exposition: in the forest...
Poster
Structural investigation of activated carbons derived from local bio-waste precursors
Article
Full-text available
The main objective of this study was to produce, under pilot conditions, activated carbons (AC) from two different Caribbean by-products, specifically, sugarcane bagasse and vetiver roots. The produced activated carbons under both physical and chemical activation processes were characterised with respect to their texture and surface chemistry. The...
Technical Report
Les études ichtyologiques sur le Sinnamary à l'occasion de la construction du barrage de Petit-Saut ont commencé par les travaux de l'INRA lors de l'étude d'impact publiée en 1986. L'INRA a par la suite mené les études d'accompagnement jusqu'en 1989. A cette date, l'INRA souhaitant réduire ses activités d'hydrobiologie en Guyane, a fait appel à l'O...

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