Revista: | Brazilian journal of chemical engineering |
Base de datos: | PERIÓDICA |
Número de sistema: | 000308813 |
ISSN: | 0104-6632 |
Autores: | Se, R.A.G1 Aznar, M |
Instituciones: | 1Universidade Estadual de Campinas, Faculdade de Engenharia Quimica, Campinas, Sao Paulo. Brasil |
Año: | 2002 |
Periodo: | Abr |
Volumen: | 19 |
Número: | 2 |
Paginación: | 255-266 |
País: | Brasil |
Idioma: | Inglés |
Tipo de documento: | Artículo |
Enfoque: | Experimental, aplicado |
Resumen en inglés | The NRTL (nonrandom, two-liquid) model, expressed in mass fraction instead of mole fraction, was used to correlate liquid-liquid equilibria for aqueous two-phase polymer-salt solutions. New interaction energy parameters for this model were determined using reported data on the water + poly(ethylene glycol) + salt systems, with different molecular masses for PEG and the salts potassium phosphate, sodium sulfate, sodium carbonate and magnesium sulfate. The correlation of liquid-liquid equilibrium is quite satisfactory |
Disciplinas: | Química |
Palabras clave: | Química de polímeros, Sistema acuoso bifásico, Equilibrio líquido-líquido, Polímeros, Sales |
Keyword: | Chemistry, Polymer chemistry, Aqueous two-phase system, Liquid-liquid equilibrium, Polymers, Salts |
Texto completo: | Texto completo (Ver HTML) |