期刊
JOURNAL OF MOLECULAR LIQUIDS
卷 332, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.molliq.2021.115440
关键词
Density; Viscosity; Sound velocity; Refractive index; Blended-amines
This study presents experimental data on four silane-amine blended systems and calculated key properties for CO2 capture. The information collected could contribute to a more detailed understanding of the CO2 absorption process in these solvents.
We report the density, viscosity, sound velocity, and refractive index experimental data of four silane-amine blended systems viz. (1) 3-aminopropyl triethoxysilane (TESA) + N-(2-aminoethyl) piperazine (AEP), (2) 3-aminopropyl triethoxysilane (TESA) + 2-methyl-1-propanol (AMP) (3) 3-aminopropyl triethoxysilane (TESA) + Methyldiethanolamine (MDEA) and (4) 3-aminopropyl triethoxysilane (TESA) + Diethanolamine (DEA). The temperature range for all the measurements is (298.15-333.15) K up to a mole fraction of 0.2 of TESA in the solution. The physicochemical properties were well fitted against the first principle and artificial neural network models. We further calculated key properties for CO2 capture such as diffusivity in CO2, isentropic compressibility, thermal expansion coefficients, Gibb's free energy, entropy, and enthalpy of activation. The data collected fromthiswork could contribute to further detailed kinetic analysis of CO2 absorption over these capturing solvents (C) 2021 Elsevier B.V. All rights reserved.
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