This paper proposed a new mode of batch extractive distillation with the solvent recovered by an equilibrium distillation still. 提出了伴有简单蒸馏的间歇萃取精馏操作方式。
The Application and Comparison of Four Activity Coefficient Models in Vapor-Liquid Equilibrium and Distillation Calculations 四种活度系数模型在汽-液平衡和精馏计算中的应用和比较
Study on Cosolvent Selection and Phase Equilibrium Data Prediction in Extractive Distillation Benzene from Rude Benzene 萃取精馏精制粗苯工艺中助溶剂的选择及相平衡估算研究
Using theoretical modeling methods including dynamic mass balance calculation and phase equilibrium analysis, the model of a methanol/ water binary batch distillation pilot plant is developed. 应用动态物料平衡和相平衡等机理建模法,建立了一套甲醇/水二元间歇精馏塔实验装置的数学模型。
Therefore, this model is applicable to the phase equilibrium and distillation calculation of systems containing acetic acid. 因此,本模型可用于含醋酸物系的相平衡和精馏计算。
Phase Equilibrium for the Process of Concentrating Phosphoric Acid by Azeotropic Distillation 共沸精馏法浓缩磷酸的相平衡基础
The equilibrium stage dynamic model of distillation column for computer simulation is developed. 应用平衡级原理,建立了精馏塔动态仿真模型。
Analysis of coupling among non equilibrium states in adsorptive distillation process 吸附蒸馏过程中不平衡定态间的耦合分析
During the process, the solvent introduced at the top of the column is separated from the liquid flow downwards by equilibrium distillation in the solvent reboiler and the feed reboiler contains only feed mixture of which boiling point is much lower than that of the solvent. 操作过程中,混有溶剂的塔内液相直接流入溶剂再沸器,经简单蒸馏后,汽相返回原料再沸器,而富含溶剂的液相留在溶剂再沸器中。
Phase equilibrium and distillation of benzen-ethanol-water system 苯乙醇水体系相平衡与精馏分离
The prospect of strict equilibrium-stage distillation operating algorithm is introduced in this article. 介绍了严格的平衡级精馏模拟操作型算法的研究进展。
Influence of Vapor-Liquid Equilibrium Data to Distillation Design of Acetic Acid-Water System 汽液平衡数据对醋酸-水体系普通精馏设计的影响
A equilibrium stage model for simulating the adsorptive distillation column was developed on the basis of the ideal liquid carrier and the presumption of constant molal overflow, and the calculation of the number of equilibrium stage was discussed. 基于比较真实的理想载液假设和恒摩尔流假设,建立了描述吸附蒸馏塔的简化平衡级模型,并讨论了计算平衡级数的一般步骤。
The way for calculation phase equilibrium using SRK equation of state based on continuous thermodynamics is also discussed. Flash distillation of a real crude system and the bubble point for a dewaxing oil fraction are illustrated in the calculation. 讨论了利用SRK状态方程计算相平衡的连续热力学步骤,并对原油和馏分油进行了闪蒸及泡点计算。
The vapor-liquid equilibrium of acetic acid-water system and its simulation of the distillation process 乙酸&水体系的相平衡及精馏过程模拟
Determination and Correlation of Liquid Liquid Equilibrium Data for the Ternary System of Toluene n Heptane Triethylene Glycol Comparision of Efficiency on Three-Phase and Two-Phase Distillation Tray 正庚烷-甲苯-三甘醇三元体系液-液相平衡数据的测定与关联汽-液-液三相与汽-液两相塔板效率比较
Gas liquid equilibrium calculation is important in the simulation of distillation. 汽液平衡计算是精馏塔模拟计算中重要的组成部分。
Aiming at the characteristics of the trays of crude atmospheric distillation column could not reach phase equilibrium, a non-equilibrium dynamic model for crude atmospheric distillation column was established based on the mass transfer and heat transfer theories. 针对原油蒸馏塔在各塔板上不可能达到相平衡的特点,直接应用传质和传热理论,建立了原油常压蒸馏塔的非平衡级动态数学模型。
UNIFAC method was applied to the mathematical simulation of methanol distillation to calculate the equilibrium data of five component systems which include methanol, water, decane, isobutanol and ethanol. The principle of the extractive distillation by means of adding water has been interpreted successfully in theory. 将UNIFAC法应用于甲醇精馏过程数学模拟,计算甲醇-水-癸烷-异丁醇-乙醇五组分体系的汽液平衡数据,从理论上成功地解释了在甲醇精馏过程中加水萃取精馏的原理。
Computation of equilibrium distillation process by computer 平衡蒸馏过程的计算机求解
The evaluation on the calculation methods of vapor-liquid equilibrium for the reactive distillation processes 用于反应精馏过程计算的气液平衡算法评价
A dynamic equilibrium stage model of the suspension catalytic distillation process for alkylation of benzene with C_ ( 12) olefins is developed. The prediction for steady-state based on the proposed mathematical model agrees with the steady-state experimental data and simulation results well. 建立了苯与十二烯烷基化悬浮床催化精馏过程的动态平衡级模型,模型对过渡过程达到定态时的系统性能预测与定态实验数据和定态模拟结果吻合良好。
Thus, only binary vapor-liquid equilibrium data are needed for the model to perform the calculation of vapor-liquid equilibrium and distillation of multi-components associate system under atmospheric and medium pressure. 这样,该模型只需用有关二元汽液平衡数据,就能进行常压及中压下多元缔合物系的汽液相平衡及精馏计算,具有一定的工业实用价值。
Application of Phase Equilibrium in Distillation 相平衡常数在精馏过程中的应用
Enrichment of lithium isotopes by high pressure ion exchange displacement chromatography(ⅰ)-application of the equilibrium theory of the distillation type model 高压离子交换排代法富集锂同位素(Ⅰ)&精馏型平衡塔板理论在富集同位素中的应用
Because of the influence of equilibrium constants, the hydrolysis rate of methyl acetate in the fixed bed reactor was low, resulted in the high load of subsequent distillation system and the energy consumption. 醋酸甲酯水解在固定床反应器中进行,受平衡常数的影响,水解率较低。大量未水解的醋酸甲酯需要循环操作,造成系统中后续精馏塔负荷很高,能耗很大。
Especially for complicated multicomponent distillation processes, such as three-phase distillations in this work, the equilibrium model will lead to a significant error in the distillation modelling. 尤其对于复杂的多组份精馏过程,例如本文所讨论的三相精馏过程,平衡模型对过程的描述会造成较大误差。