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|Type:||Artigo de periódico|
|Title:||Salt effect in the solubility of hydrogen in n-alcohols at pressures up to 10 MPa and temperatures up to 498.15 K|
|Author:||d Angelo, J. V.H.|
|Abstract:||Gas-liquid solubility of hydrogen in methanol and ethanol systems with electrolytes was studied in the temperature range from 305.15 K to 498.15 K and pressures from 4 to 10 MPa. The experimental method used was the Total Pressure Method, which eliminates sampling and analysis of the phases, determining their composition at equilibrium using the following experimental data: moles of solute and solvent in the system; pressure, temperature and volume of the system at equilibrium; together with thermodynamic equations for fluid-phase equilibria. The salts used were lithium chloride and potassium acetate. The solubility of hydrogen increases with increasing temperature and pressure and the presence of salts causes a decrease in the solubility of hydrogen, when compared with the results of systems without salts, characterizing a salting-out effect, which is greater in conditions of lower temperature and pressure, specially for potassium acetate.|
|Editor:||Brazilian Society of Chemical Engineering|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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