Publicação
Solid-liquid equilibrium of sugars in mixed solvents
| Resumo: | A simple and accurate apparatus for the measurement of sugar solubilities in mixed solvents using an analytical method is presented. In this work, a systematic study of the solubilities of D-glucose in water/ethanol mixtures at 40°C and 60°C is presented. A modified UNIQUAC model is proposed for the correlation of the experimental ternary solubility data. New UNIQUAC parameters for D-glucose/ethanol are presented. The solubility calculations were performed using an equation based on enthalpy of fusion data. The model describes satisfactorily the experimental solubility data of D-glucose in water/ethanol mixtures at 40°C and 60°C. |
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| Autores principais: | Peres, António M. |
| Outros Autores: | Macedo, Eugénia A. |
| Assunto: | Chemical thermodynamics Phase equilibria Solid-liquid equilibrium of sugars in mixed solvents Solubility of D-glucose in water ethanol mixtures |
| Ano: | 1997 |
| País: | Portugal |
| Tipo de documento: | artigo |
| Tipo de acesso: | acesso restrito |
| Instituição associada: | Instituto Politécnico de Bragança |
| Idioma: | inglês |
| Origem: | Biblioteca Digital do IPB |
| Resumo: | A simple and accurate apparatus for the measurement of sugar solubilities in mixed solvents using an analytical method is presented. In this work, a systematic study of the solubilities of D-glucose in water/ethanol mixtures at 40°C and 60°C is presented. A modified UNIQUAC model is proposed for the correlation of the experimental ternary solubility data. New UNIQUAC parameters for D-glucose/ethanol are presented. The solubility calculations were performed using an equation based on enthalpy of fusion data. The model describes satisfactorily the experimental solubility data of D-glucose in water/ethanol mixtures at 40°C and 60°C. |
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