Amphiphilic niobium oxyhydroxide as a hybrid catalyst for sulfurremoval from fuel in a biphasic system.
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2014
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Here, we show that a new niobium oxyhydroxide, NbO2OH, can be synthesized and modified with asurfactant to be used as a heterogeneous catalyst for oxidative desulphurization. The material was treatedwith hydrogen peroxide to generate oxidizing groups (peroxo species) on the surface. Furthermore, thismaterial was converted to a family of solid catalysts that can stabilize water/oil emulsions and catalyzereactions at the liquid/liquid interface by anchoring a surfactant to the catalyst. The material was thenable to efficiently remove a sulfurous compound under mild conditions.
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Modified niobia, Biphasic reaction, Heterogeneous catalysis, Oxidation process
Citação
OLIVEIRA, L. C. A. de. et al. Amphiphilic niobium oxyhydroxide as a hybrid catalyst for sulfurremoval from fuel in a biphasic system. Applied Catalysis. B, Environmental, v. 147, p. 43-48, 2014. Disponível em: <http://www.sciencedirect.com/science/article/pii/S0926337313005031>. Acesso em: 22 mai. 2015.