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The leguminous species Anthyllis vulneraria as a Zn-hyperaccumulator and eco-Zn catalyst resources

Abstract : Anthyllis vulneraria was highlighted here as a Zn-hyperaccumulator for the development of a pilot phytoextraction process in the mine site of Les Avinières in the district of Saint-Laurent-Le-Minier. A. vulneraria appeared to hyperaccumulate the highest concentration of Zn in shoots with a better metal selectivity relative to Cd and Pb than the reference Zn-hyperaccumulator Noccea caerulescens. A bigger biomass production associated to a higher Zn concentration conducted A. vulneraria to the highest total zinc gain per hectare per year. As a legume, A. vulneraria was infected by rhizobia symbionts. Inoculation of A. vulneraria seeds showed a positive impact on Zn hyperaccumulation. A large-scale culture process of symbiotic rhizobia of A. vulneraria was investigated and optimized to allow large-scale inoculation process. Contaminated shoots of A. vulneraria were not considered as wastes and were recovered as Eco-Zn catalyst in particular, examples of organic synthesis, electrophilic aromatic substitution. Eco-Zn catalyst was much more efficient than conventional catalysts and allowed greener chemical processes.
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https://hal.umontpellier.fr/hal-01937588
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Soumis le : mardi 23 février 2021 - 16:54:35
Dernière modification le : mardi 14 juin 2022 - 10:41:47
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Claire Grison, Marine Mazel, Amandine Sellini, Vincent Escande, Jacques Biton, et al.. The leguminous species Anthyllis vulneraria as a Zn-hyperaccumulator and eco-Zn catalyst resources. Environmental Science and Pollution Research, Springer Verlag, 2015, Combining Phytoextraction and Ecological Catalysis: an Environmental, Ecological, Ethic and Economic Opportunity, 22 (8), pp.5667 - 5676. ⟨10.1007/s11356-014-3605-1⟩. ⟨hal-01937588⟩

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