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71.
B. I. Gorovits A. M. Toikka Yu. A. Pisarenko L. A. Serafimov 《Theoretical Foundations of Chemical Engineering》2006,40(3):239-244
The principles of analysis of phase transitions and shifts in equilibrium in systems with chemical reactions using elements of linear algebra and conditions of thermodynamic equilibrium and stability are presented. 相似文献
72.
Yu. A. Pisarenko L. A. Serafimov N. N. Kulov 《Theoretical Foundations of Chemical Engineering》2009,43(5):591-605
The problems of statics analysis are formulated for reactive distillation processes involving multiple chemical reactions. Constraints imposed on the reactive distillation models usable in the statics analysis are established. Rules are formulated for constructing trial trajectories for reactive distillation with multiple chemical reactions and for feasibility analysis of predicted steady states. A reactive distillation statics analysis algorithm is developed. 相似文献
73.
R. Yu. Danilov F. B. Petlyuk L. A. Serafimov 《Theoretical Foundations of Chemical Engineering》2007,41(4):371-383
A general algorithm for calculating minimum reflux ratios in simple distillation columns used for the separation of ideal and nonideal (including azeotropic) homogeneous multicomponent mixtures is proposed. The algorithm deals with various splits: direct, indirect, intermediate, and with one distributed component. The algorithm is mathematically rigorous, developed on the basis of the geometrical theory of distillation, and makes it possible to consider the special features of nonideal mixtures (tangent pinch, necessity of using nonadiabatic columns). 相似文献
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76.
L. A. Serafimov T. V. Chelyuskina D. I. Bushina 《Theoretical Foundations of Chemical Engineering》2006,40(6):604-610
The folds in the scalar field of equilibrium temperatures are analyzed for three-component two-phase systems. The folds and α = 1 lines are qualitatively mapped for various classes of systems. The regularities observed along the folds are confirmed by mathematical modeling. 相似文献
77.
Serafimov L. A. Pisarenko Yu. A. Shuvalov A. S. 《Theoretical Foundations of Chemical Engineering》2002,36(1):48-54
The van der Waals–Storonkin equation is analyzed. The temperature fields in the liquid and vapor phases are demonstrated to be topologically similar. The laws governing the mutual arrangement of -lines and the lines of conditional temperature extrema are deduced and verified by a computational experiment. 相似文献
78.
L. A. Serafimov A. V. Frolkova T. V. Chelyuskina 《Theoretical Foundations of Chemical Engineering》2008,42(2):171-178
Complete conditions for the validity of Konovalov’s first law in multicomponent azeotropic systems are found. 相似文献
79.
L. A. Serafimov D. I. Bushina T. V. Chelyuskina 《Theoretical Foundations of Chemical Engineering》2007,41(6):839-844
The behavior of fold lines in the scalar fields of equilibrium temperatures and univolatility lines for the extractive rectification of azeotropic two-phase binary systems by one high-boiling agent is analyzed. 相似文献
80.
L. A. Serafimov A. K. Frolkova T. V. Chelyuskina 《Theoretical Foundations of Chemical Engineering》2009,43(6):889-898
Basic diagram structures for extractive distillation systems are considered. The mutual arrangement of α = 1 lines and pseudoideal
lines is analyzed for the case in which the mixture to be separated is biazeotropic. The diagram structures allowing the separation
of the mixture in the presence of a particular extracting agent are determined. 相似文献