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Copper-based layered double hydroxides for hydrogen production and other value-added products

Grant number: 15/23410-5
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): April 01, 2016
Effective date (End): March 01, 2020
Field of knowledge:Engineering - Materials and Metallurgical Engineering - Nonmetallic Materials
Principal Investigator:Celso Valentim Santilli
Grantee:Rodrigo Morais Menezes dos Santos
Host Institution: Instituto de Química (IQ). Universidade Estadual Paulista (UNESP). Campus de Araraquara. Araraquara , SP, Brazil
Associated scholarship(s):17/13821-3 - XAS time-resolved phase speciation of Cu-based Layered Double Hydroxides to ethanol dehydrogenation, BE.EP.DR


Currently, environmental problems associated with the use of fossil fuels have been a major topic of concern, generating interest in clean and renewable energy-based processes. Ethanol produced from renewable sources has proved advantageous in various aspects and promising to replace and/or complement the petrochemistry in the future, to obtain H2 and various derivatives. Layered Double Hydroxides (LDH) represent one of the most promising materials for catalysis, with suitable features and properties. Thus, this research project aims to study the copper-containing LDH application for ethanol dehydrogenation to hydrogen production and other value-added products. More specifically, the objectives of this project are: (I) synthesis and characterization of hierarchical porous structured LDH and their derivatives from the CuxZn2-XGa system, with different copper levels; (II) Catalytic efficiency and selectivity for the materials with different Cu+/Cu0 ratios in the reaction. The materials will be characterized by a set of techniques, such as: XRD, TGA, N2 physisorption, porosimetry, TPR-H2, TPD-NH3 etc. The catalytic efficiency will be studied in reactor system by evaluating the effect of the content and dispersion of the catalyst on the support. Under the same conditions will be assessed the catalyst transformations through the catalysis reaction steps in situ and operando by Quick-XAS and the products will be monitored by mass spectrometry and Raman. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
SANTOS, RODRIGO M. M.; BRIOIS, VALERIE; MARTINS, LEANDRO; SANTILLI, V, CELSO. Insights into the Preparation of Copper Catalysts Supported on Layered Double Hydroxide Derived Mixed Oxides for Ethanol Dehydrogenation. ACS APPLIED MATERIALS & INTERFACES, v. 13, n. 22, p. 26001-26012, . (18/01258-5, 17/13821-3, 15/23410-5)
PINTO, M. C. E.; SANTOS, R. M. M.; GONCALVES, R. G. L.; DUARTE, V. G. O.; BORGES, P. D.; LEROUX, F.; CONSTANTINO, V. R. L.; IZUMI, C. M. S.; PINTO, F. G.; TRONTO, J.. Adsorption of Dicamba herbicide onto a carbon replica obtained from a layered double hydroxide. DALTON TRANSACTIONS, v. 47, n. 9, p. 3119-3127, . (15/23410-5)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
SANTOS, Rodrigo Morais Menezes dos. Copper-based layered double hydroxides (LDH) for the production of hydrogen and other value-added products. 2020. Doctoral Thesis - Universidade Estadual Paulista (Unesp). Instituto de Química. Araraquara Araraquara.

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