精馏的

Based on the research of the multi-component refinery process, mechanism model and MESH equations are given. The bubble-point method and tridiagonal matrix method which is solved by Gaussian elimination algorithm are proposed.

本文针对多元精馏过程的常压塔进行了分析和研究，建立了平衡级机理模型和MESH方程组，提出采用三对角矩阵法和泡点法相结合作为模型求解的解决方案。

The results of simulation provided the base of the experiment in the next step.The solvent, the VLE data and the simulation results in this paper supplied the foundation for the medium scale plane and industrilazation of mesitylene.

本文提出的溶剂、二元及三元汽液平衡数据及模拟结果为萃取精馏法生产均三甲苯的中试及工业化应用提供了理论依据。

Finally, with the language of VB, the process of extractive rectification was simulated with the method of tri-opposite angles matrix and the effect was researched the ratio of raw and solvent, theory plate number and the feed position of raw and the solvent on the purity of mesitylene was studied.

编制VB程序，结合三对角矩阵法模拟萃取精馏过程，并考察了回流比、溶剂比、理论塔板数、溶剂及原料进料位置对萃取分离效果的影响，为下一步的小试提供了数据基础。

We determined the relation of the temperature and the content of mesitylene to search the optimium operating condition, which assured the content and the yield of mesitylene high. After pre-treated, the raw material contained only the composition of mesitylene, o-ethyl-methylbenzene and 1,2,4-trimethylbenzene.

本文采用间歇精馏法进行预处理；通过测定馏出温度与组成关系曲线，确定最佳操作条件，以保证均三甲苯的含量及收率较高；预处理后的原料主要含均三甲苯、邻甲乙苯及偏三甲苯。

It is used in the calculation of the catalytic distillation process of methyl acetate hydrolysis with satisfactory results.

对于催化精馏过程，由于反应的存在，模型方程的非线性程度更高，用三对角矩阵法更不易收敛。

This invention publishes a preparation method for methyl acetate and a reaction distillation column with combined trapezoid spray trays.

本发明公开了一种乙酸甲酯的制备方法和具有立体传质塔板的反应精馏塔。

In this paper, the processes of methyl acetate recycling were reviewed; the method of separation methyl acetate-methanol by salt effect distillation was proposed.

本文对现行醋酸甲酯的几种回收工艺进行了评述，提出了加盐萃取精馏分离醋酸甲酯-甲醇的方法。

The distillation process is simulated by using Aspen Plus with the DSTWU fractionation module and the NRTL property method results showed that 99.9% methylnaphthalene and almost 100% tritoluene could be recovered.

利用Aspen Plus化工模拟软件的DSTWU精馏模块对产物进行模拟运算。结果表明：采用NRTL物性方法的模拟计算结果能够满足工艺要求，甲基萘回收率可达99.9%，溶剂回收率可达100%。

The following dehydration techniques of ethanol: distillation ,molecular sieve separation,membrane separation and corn adsorption are mainly concerned.

介绍了采用精馏法、分子筛分离法、膜分离法和作物吸附法制备无水乙醇的方法及其近年来无水乙醇制备的新进展。

BED belongs to an unsteady state where the feed is strongly nonideal. A solution which is effective, quick and easy to run is hard to find out.

间歇萃取精馏属于非理想性极强的非稳态过程，很难找到一种快捷有效且易于执行的求解方法。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。