精馏的

The processes of thermal dimerization reaction and reactive distillation were simulated with Aspen Plus respectively.

本文研究了采用反应精馏的一段萃取工艺，确定了二聚过程中的主要反应及其Arrhenius方程。

There are some researches about the regular batch extractive distillation, most of which are based on laboratory-scale.

关于常规间歇萃取精馏的研究成果较多，但大多是基于实验室规模的研究。

Solvent selection is the key problem for extractive distillation.

溶剂的选择是萃取精馏的核心。

This method can be used to design RD system of over four components, consequently RD graphical design method is developed.

应用本文方法可以进行多于四组分体系的设计计算，从而发展了反应精馏的图解设计方法。

The technique has isomerization of 1,2,4-trimethylbenzen and precise distillation as a union, which is unique and feasible.

该工艺采用偏三甲苯非临氢催化异构化技术与精密精馏的分离手段有机结合的方法，工艺独特可行。

High performance solvent N-formylmorpholinewas synthesized from morpholine and formic acid, dehydrated through the azeotrope rectifying method using water carrying agent A.

以吗啉和甲酸为原料，利用带水剂A通过共沸精馏的方法脱水，合成了高性能溶剂N-甲酰吗啉。

By using ethanol precipitative pretreatment and rectification patent technology,the product 1,3-propanediol with purity of 99% had been harvested,the seperation yield of 1,3-propa...

采用发酵液醇沉预处理、再精馏的专利技术可分离得到纯度大于99%的1，3-丙二醇产品，分离收率大于85%，产品质量达到了聚对苯二甲酸丙二酯聚合反应的要求。

Taking advantage of better solubility and thermal stability of ionic liquid, the ionic liquid supported acetylacetone catalyst can be simply recycled by water washing or vacuumdistillation.The background of this research is renovation on the traditional oxidation reactions by green chemistry principle.

根据离子液体支载催化剂的两个特性：在水中良好的溶解性和具有很好的热稳定性，在反应结束后通过水洗涤或精馏的方法，很方便的对催化剂进行了回收再利用。

As there exists azeotropic composition for high concentration ethanol/water mixture, the separation of ethanol/water based on distillation and ethanol dehydration consume a major part of energy in an ethanol production process.

具有较高乙醇浓度的乙醇/水混合物存在共沸组成，因此基于精馏的乙醇-水的分离及脱水在乙醇工业生产的能耗中占有很大的比例。

The liquid distils finely is one of the important components and the difficult point of chemical engi- neering principle,Base on analyzing the difficult points in teaching,procedures of the liquid distils finely,the teaching plans ,the learning target and the application of the medium in teaching procedures is assurance in this paper.

文章分析了液体精馏的教学难点，在此基础上，确定了教学目标、教学策略及教学过程中媒体的选择等，并给出了教学设计方案。

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。