Artículos de revistas
Liquid-liquid equilibrium data for ternary systems of water plus lactic acid plus C4-C7 alcohols at 298.2 K and atmospheric pressure
Registro en:
Fluid Phase Equilibria. Elsevier Science Bv, v. 354, n. 12, n. 18, 2013.
0378-3812
WOS:000323686700003
10.1016/j.fluid.2013.06.007
Autor
Domingues, L
Cussolin, PA
da Silva, JL
de Oliveira, LH
Aznar, M
Institución
Resumen
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Liquid-liquid equilibrium data for water + lactic acid +{1-butanol or 2-butanol, 1-pentanol, 1-hexanol, 1-heptanol} systems at T=298.2 K and atmospheric pressure (approximate to 95 kPa) were determined by density and refractive index measurements. The systems present Treybal's type I binodal curves. Obtained tie line data were correlated with NRTL model. Cloud points, tie lines, partition coefficients, selectivities and percent of extraction indicate that 1-pentanol is better than the other solvents studied for lactic acid removal from water. (C) 2013 Elsevier B.V. All rights reserved. 354 12 18 Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)