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Ionic liquids for carbon dioxide capture

Grant number: 15/07145-0
Support type:Scholarships abroad - Research Internship - Doctorate
Effective date (Start): October 01, 2015
Effective date (End): September 30, 2016
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Physical-Chemistry
Principal researcher:Rômulo Augusto Ando
Grantee:Luiz Fernando Lepre
Supervisor abroad: Margarida Costa Gomes
Home Institution: Instituto de Química (IQ). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Research place: Université Blaise Pascal, France  
Associated to the scholarship:13/23234-7 - Ionic Liquids for CO2 Capture: Physical vs. Chemical Absorption., BP.DR


Among several strategies to capture carbon dioxide the use of ionic liquids is especially interesting due to their unique physicochemical properties and their selectivity towards carbon dioxide compared to other gases. In order to increase the absorption capacity, it is convenient the use of ionic liquids capable to chemically react with CO2, and also maintain the viscosity low enough to allow the gas diffusion. In this context, potential candidates are ionic liquids composed by carboxylate based anions. This project aims to study the mechanisms of chemical absorption of carbon dioxide by different ionic liquids capable of chemically reacting with the gas, and how the viscosity of such liquids are affected by the insertion of different molecular species. Our approach consists in a combination of thermodynamic measurements, spectroscopic determinations and molecular modelling. (AU)

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Scientific publications (5)
(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)
LEPRE, L. F.; SZALA-BILNIK, J.; PADUA, A. A. H.; TRAIKIA, M.; ANDO, R. A.; GOMES, M. F. COSTA. Tailoring the properties of acetate-based ionic liquids using the tricyanomethanide anion. Physical Chemistry Chemical Physics, v. 18, n. 33, p. 23285-23295, . (13/23234-7, 15/07145-0)
OTERO, I.; LEPRE, L. F.; DEQUIDT, A.; HUSSON, P.; COSTA GOMES, M. F.. How Does the Addition of a Third Ion Affect the Molecular Interactions and the Thermodynamic Properties of Acetate-Based Ionic Liquids?. Journal of Physical Chemistry B, v. 121, n. 41, p. 9725-9736, . (15/07145-0, 13/23234-7)
LEPRE, L. F.; SZALA-BILNIK, J.; PISON, L.; TRAIKIA, M.; PADUA, A. A. H.; ANDO, R. A.; GOMES, M. F. COSTA. Can the tricyanomethanide anion improve CO2 absorption by acetate-based ionic liquids?. Physical Chemistry Chemical Physics, v. 19, n. 19, p. 12431-12440, . (15/07145-0, 13/23234-7)
LEPRE, L. F.; PISON, L.; SIQUEIRA, L. J. A.; ANDO, R. A.; GOMES, M. F. COSTA. Improvement of carbon dioxide absorption by mixing poly(ethylene glycol) dimethyl ether with ammonium-based ionic liquids. Separation and Purification Technology, v. 196, n. SI, p. 10-19, . (11/22263-8, 15/07145-0, 13/23234-7, 12/13119-3)
LEPRE, LUIZ FERNANDO; COSTA GOMES, MARGARIDA; ANDO, ROMULO AUGUSTO. Probing the Reorganization of Ionic Liquids' Structure Induced by CO2 Sorption. ChemPhysChem, v. 21, n. 12, . (16/21070-5, 13/23234-7, 15/07145-0)

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