| Journal: | Brazilian journal of chemical engineering |
| Database: | PERIÓDICA |
| System number: | 000308634 |
| ISSN: | 0104-6632 |
| Authors: | Platt, G.M1 Medeiros, J.L. de |
| Institutions: | 1Universidade Federal do Rio de Janeiro, Escola de Quimica, Rio de Janeiro. Brasil |
| Year: | 1999 |
| Season: | Sep |
| Volumen: | 16 |
| Number: | 3 |
| Pages: | 247-265 |
| Country: | Brasil |
| Language: | Inglés |
| Document type: | Artículo |
| Approach: | Experimental, aplicado |
| English abstract | In this paper, we examine the resolution of some phase rule problems within the context of multiple chemical equilibrium reactions, using cubic equations of state and an activity coefficient model. Bubble and dew reactive surfaces, reactive azeotropic loci and reactive critical loci are generated and presented in graphical form. Also isobaric bubble and dew reactive enthalpy loci, which may be useful in the modeling of reactive distillation operations, are depicted. All the formalism here employed is developed within the coordinate transformation of Ung and Doherty, which is appropriate for equilibrium reactive or multireactive systems. The major contribution of this work is the determination of critical loci for reactive or multireactive equilibrium systems. Since it is known that for some class of chemical reactions the kinetics and product distribution exhibit high sensitivity to pressure near criticality, the present study may be useful as a predicting tool in these cases if the chemical equilibrium condition is not too far from the real phenomenon |
| Disciplines: | Química |
| Keyword: | Fisicoquímica y química teórica, Equilibrio vapor-líquido, Punto crítico, Azeótropos reactivos |
| Keyword: | Chemistry, Physical and theoretical chemistry, Vapor-liquid equilibrium, Critical point, Reactive azeotropes |
| Full text: | Texto completo (Ver HTML) |
