Tipo
Artigos em Conferência
Tipo de Documento
Resumo
Título
Thermophysical properties and structure of [C2mim][N(CN)2] + water mixtures
Participantes na publicação
Angela Lamas (Author)
FACULDADE DE CIÊNCIAS DA UNIVERSIDADE DE LISBOA
Cagena Magendran (Author)
FACULDADE DE CIÊNCIAS DA UNIVERSIDADE DE LISBOA
Ramalianes Silva (Author)
FACULDADE DE CIÊNCIAS DA UNIVERSIDADE DE LISBOA
Rafael M. Almeida (Author)
Dep. Química e Bioquímica
CQE
Xavier Paredes (Author)
Dep. Química e Bioquímica
Ângela F. Santos (Author)
Dep. Química e Bioquímica
CQE
Isabel M. S. Lampreia (Author)
Dep. Química e Bioquímica
Fernando J.V. Santos (Author)
Dep. Química e Bioquímica
CQE
Maria José V. Lourenço (Author)
Dep. Química e Bioquímica
CQE
Carlos A. Nieto de Castro (Author)
Dep. Química e Bioquímica
CQE
Resumo
Ionic liquid and water mixtures may show very interesting macroscopic behavior, as reflected in the change of their thermophysical properties with composition and temperature. Thermophysical properties of the binary system water and 1-ethyl-3-methylimidazolium dicyanamide, [C2mim][N(CN)2], with an assay ≥ 95%, were studied to understand the structure of the mixture and to analyze its possible use as a heat transfer fluid in industrial processes. Data obtained includes density, speed of sound, viscosity, electrical conductivity, thermal conductivity and refractive index (and derived excess properties), for all the composition range, and temperatures 293 to 343 K. Methods of measurement used were described in recent publications1-3, for [C2mim][CH3SO3] and [C2mim][CH3CO2] + water mixtures. Discussion about the structure of these mixtures will be done, based on correlation spectroscopy and computer simulations for similar mixtures of hydrophilic ionic liquids with water, like, [C2mim][C2H5SO4], [C2mim][CH3SO3], and [C4mim][BF4]3-7.\n[1] F.E.B. Bioucas, S.I.C. Vieira, M.J.V. Lourenço, F.J.V. Santos, M.L.M. Lopes, C. A. Nieto de Castro and K. Massonne, “[C2mim][CH3SO3] – A Suitable New Heat Transfer Fluid? Part 1. Thermophysical and Toxicological Properties”, Ind. Eng. Chem. Res. (2018) 57, (25), 8541-8551\n[2] C.S.G.P. Queirós, X. Paredes, T.F.S. Avelino, D.E.N. Bastos, M. Ferreira, F.J.V. Santos, A.F. Santos, M.L.M. Lopes, M.J.V. Lourenço, H. Pereira and C.A. Nieto de Castro, “The Influence of Water on the Thermophysical Properties of 1-Ethyl-3-methylimidazolium Acetate”, J. Mol. Liq., 297 (2020) 111925\n[3] F.E.B. Bioucas, C.S.G.P. Queirós, D. Lozano-Martín, M. Ferreira, X. Paredes, A.F. Santos, F.J.V. Santos, M.L.M. Lopes, M.I. Lampreia, M.J.V. Lourenço, C.A. Nieto de Castro and K. Massonne. [C2mim][CH3SO3] – A Suitable New Heat Transfer Fluid? Part 2. Thermophysical Properties of its Mixtures with Water. Ind. Eng. Chem. Res., 2022, 61, (5), 2280–2305\n[3] L. Zhang, Z. Xu, Y. Wang, H. Li, Prediction of the Solvation and Structural Properties of Ionic Liquids in Water by Two-Dimensional Correlation Spectroscopy, J. Phys. Chem. B. 112 (2008) 6411–6419\n[4] C.E.S. Bernardes, M.E. Minas da Piedade, J.N. Canongia Lopes, The Structure of Aqueous Solutions of a Hydrophilic Ionic Liquid: The Full Concentration Range of 1-Ethyl-3-methylimidazolium Ethylsulfate and Water, J. Phys. Chem. B. 115 (2011) 2067–2074\n[5] X. Zhong, Z. Fan, Z. Liu, D. Cao, Local Structure Evolution and its Connection to Thermodynamic and Transport Properties of 1-Butyl-3-methylimidazolium Tetrafluoroborate and Water Mixtures by Molecular Dynamics Simulations, J. Phys. Chem. B. 116 (2012) 3249–3263\n[6] D. Ghoshdastidar, S. Senapati, Ion-water wires in imidazolium-based ionic liquid/water solutions induce unique trends in density, Soft Matter. 12 (2016) 3032–3045\n[7] M. Marium, A. Auni, M.M. Rahman, M.Y.A. Mollah, M.A.B.H. Susan, Molecular level interactions between 1-ethyl-3-methylimidazolium methanesulphonate and water: Study of physicochemical properties with variation of temperature, J. Mol. Liq. 225 (2017) 621–630
Editor
INSA, Lyon
Data de Publicação
2023-04-24
Instituição
FACULDADE DE CIÊNCIAS DA UNIVERSIDADE DE LISBOA
Evento
COIL-9, Lyon, France, April 24-28, 2023
Identificadores da Publicação
Local
Lyon, France
Organizadores
INSA, Lyon and CNRS