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Luiz Henrique Vieira
Visiting PhD Student
B.S. Chemistry, Sao Paulo State University, Brazil, 2012
M.S. Chemistry, Sao Paulo State University, Brazil 2014
Advisors Leandro Martins / Christopher W. Jones
Project Title: Selective oxidation of methanol over lamellar vanadosilicates catalysts.
In this proposal, we intend to use the catalytic system based in a vanadosilicate lamellar precursor obtaining a pure microporous material from structure condensation by calcination, and a micro/mesoporous layered material from an exfoliation process. The catalysts will be characterized by N2 physisorption, diffuse reflectance UV-Vis spectroscopy in controlled atmospheres, temperature-programmed of reduction (TPR), and the methanol oxidation will be evaluated as a probe reaction comparing the catalytic test results with the reaction intermediates identified by in situ Fourier transformed infrared spectroscopy.
Vieira, L. H., Rodrigues, M. V., Martins L. "Seed-assisted behavior of zeolite crystallization." Química Nova, 2014, 37.9, 1515-1524.
Vieira, L. H., Carvalho, K. T., Urquieta-González, E. A., Pulcinelli, S. H., Santilli, C. V., Martins, L. “Effects of crystal size, acidity, and synthesis procedure on the catalytic performance of gallium and aluminum MFI zeolites in glycerol dehydration.” Journal of Molecular Catalysis A: Chemical, 2016, 422, 148-157.
Rasteiro, L. F., Vieira, L. H., Possato, L. G., Pulcinelli, S. H., Santilli, C. V., Martins, L. “Hydrothermal synthesis of Mo-V mixed oxides possessing several crystalline phases and their performance in the catalytic oxydehydration of glycerol to acrylic acid.” Catalysis Today, 2017, in press.
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