کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
10397436 889514 2005 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Multi-fields synergy in the process of reactive distillation coupled with membrane separation
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی تکنولوژی و شیمی فرآیندی
پیش نمایش صفحه اول مقاله
Multi-fields synergy in the process of reactive distillation coupled with membrane separation
چکیده انگلیسی
A new method for analyzing reactive distillation coupled with membrane separation system was proposed with the viewpoint of non-equilibrium thermodynamics and the phenomenological theory. The synthesis of ethyl tert-butyl ether was chosen as a model system. The synergy of multi-fields such as temperature, concentration and chemical potential in this combined process was discussed; the relationship of each vector within a field was investigated by considering both of Soret effect and Dufour effect. The equations of mass and heat fluxes were established and the coefficients for both of them were obtained with the condition of the synergy in multi-fields. It can be known from the research results that the mass and heat transfer rate were increased or decreased with the synergy of multi-fields; the direction of transfer was also changed by the effect of synergy of multi-fields. From the viewpoint of field synergy, the model of non-equilibrium stage for the reactive distillation coupled with membrane separation was developed. The model incorporated complex reaction kinetics, vapor-liquid non-idealities, distillation and pervaporation process. The rapid solution for this model can be obtained by Newton-Raphson method. Simulation results are in good agreements with the experimental results.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Chemical Engineering and Processing: Process Intensification - Volume 44, Issue 11, November 2005, Pages 1207-1215
نویسندگان
, , , , ,