萃取精馏

基于改进的UNIFAC模型，以MATLAB语言开发了萃取精馏过程相对挥发度的计算程序。

Based on modified UNIFAC model and MATLAB , a program has been developed for calculating the relative volatility of extractive distillation .

三元共沸体系加盐萃取精馏的工艺研究

The Research on the Extractive Distillation with Salt in Triple Azeotrope System

用萃取精馏法分离C4烷烃与烯烃的研究进展

Progress in Separation of C4 Alkanes and Alkenes by Extractive Rectification

消泡剂在乙腈法萃取精馏C4系统中的应用

Application of defoaming agents in extractive distillation of C_4 mixtures by ACN

环丁砜连续萃取精馏从C8芳烃中分离苯乙烯

Separation of Styrene from C_8 Fraction by Continuous Extractive Distillation with Sulfolane

用萃取精馏法分离C4中的正丁烯

Separating n-butene from C 4 by extractive distillation

模糊C均值聚类在萃取精馏塔软测量中的应用

The Application of Fuzzy C - Means Clustering for Soft-Sensing in Tower of Extractive Distillation

FCC汽油萃取精馏深度脱硫过程研究

The Study of Extractive Distillation Deep Desulfurization Process for FCC Gasoline

采用萃取精馏和连续多级结晶相结合的分离集成技术从C（10）芳烃中提取均四甲苯。

Separation of durene from C_ ( 10 ) aromatics was carried out by integrated separation technologies of combining extractive distillation with multistage crystallization .

超临界CO2萃取精馏EPA与DHA的实验研究

Experiment on Supercritical Carbon Dioxide Extraction & Fractionation of EPA and DHA

超临界CO2连续式萃取精馏鱼油中EPA和DHA的试验研究

Continuous supercritical CO_2 extraction of EPA and DHA from refined fish oil

超临界CO2萃取精馏制取高纯度EPA乙酯和DHA乙酯

Preparation of EPA and DHA esters with high purity by supercritical co_2 extraction and rectification

加盐DMF萃取精馏分离C4

Separating C4 by extractive distillation with added salt - DMF

萃取精馏法制备纳米TiO2工艺的胶溶及有机改性机理研究

A Study on Peptisation and Organic Modification Mechanism in Manufacturing Nano TiO_2 by Extration and Rectification

ACN萃取精馏分离C4的分子设计

Molecular Design of Separating C4 by Extractive Distillation with ACN

采用aspenplus软件模拟计算硫茚的萃取精馏，并通过了实验的校核。

The extractive distillation process of benzothiophene was simulated using the software of Aspen plus . The simulated data was verified by experiment .

对以N，N－二甲基甲酰胺（DMF）为溶剂的1，3－丁二烯萃取精馏装置分离的全流程进行了模拟计算。

Simulation calculations were carried out of the extractive distillation process for separation of butadiene 1,3 , using DMF ( N , N dimethyl formamide ) as solvent .

借助ASPENPLUS软件，对丙烷？丙烯体系萃取精馏过程所用的溶剂进行了筛选，得到一种最佳的萃取剂。

A kind of optimal extraction agent is determined for extraction distillation of propane-propene process , based on the simulation results by the ASPEN PLUS software .

在丁二烯装置第&萃取精馏塔内，应用组合导向浮阀塔板代替F1型浮阀塔板。

The combination directed floating valve trays have been used in the first extractive distillation column of butadiene unit to replace the F1 type valve trays .

运用修正UNIFAC模型对实验数据进行了关联，发现修正UNIFAC模型预测法和实验法相结合是一种快速有效的萃取精馏溶剂选择方法。

The modified UNIFAC model combined with experiments is a rapid , accurate approach to selecting the solvent for extractive distillation .

将尿素包合预浓缩与超临界CO2萃取精馏工艺相结合，可使原鱼油中的EPA含量从原来的12.11%最终提高到67.10%，DHA含量从原来的17.93%最终提高到90.31%。

By combining urea inclusion method and supercritical carbon dioxide extraction-fractionation technology , the contents of EPA and DHA were enriched to 67.10 % and 90.31 % from 12.11 % and 17.93 % respectively .

以C4为例利用无限稀释相对挥发度的试验测定结果，研究加盐萃取精馏分离非极性体系的影响规律。

The influence on separating non polar systems of C 4 fractions by extractive distillation with addition of salt in terms of relative volatility at infinite dilution was studied .

文章对用DMF为溶剂，六组分物系，47块理论板的丁二烯萃取精馏塔进行了动态特性的研究。

The dynamic behavior of an extractive distillation column with 6 components and 47 ideal plates for extracting Butadiene by using Dimethylformamide ( DMF ) as solvent has been studied .

用G102色谱仪筛选乙醇和水萃取精馏分离的萃取溶剂；

Extractive distillation solvents were selected for ethanol and water by G102 chromatograph .

ACN法流程优化的原则是在原流程改动少的前提下，调节萃取精馏塔内液相负荷；

The optimization of ACN method was done by regulating liquid load in the second extractive distillation column with few changes between original and optimum processes .

针对工业级应用要求，用aspenplus流程模拟系统对乙酸乙酯轻、中组分废水回收的关键环节萃取精馏进行了工业级模拟计算和操作参数灵敏度分析，得到了相应的工艺操作参数。

In order to applying the method to industry , the extractive distillation of light and middling components waste water , the key link of the method , was simulated with ASPEN PLUS and its manipulate parameters were analyzed .

通过常压汽液平衡和萃取精馏工艺实验说明NMP是分离芳烃和非芳烃的有效溶剂，且满足当前生态化工的要求。

Through the experiments of VLE and extractive distillation , it showed that the solvent NMP was a good separating agent and satisfied the requirement of current ecologically chemical engineering .

NFM-COS复合溶剂萃取精馏分离苯

Extractive Distillation Process for Benzene Recovery with NFM-COS Solvent

近年来，利用N-甲酰吗啉（NFM）及其混合溶剂萃取精馏分离正丁烯与丁烷的工艺逐渐得到工业应用。

In recent years , N-formylmorpholine ( NFM ) and its mixture are gradually used as solvent in industry to separate n-butene and butane by extractive distillation .

采用N-甲酰吗啉（NFM）添加一种助溶剂（COS）构成复合溶剂作萃取精馏溶剂，从裂解加氢汽油苯馏分中回收高纯苯。

An extractive distillation process for recovering high purity benzene from pyrolysis gasoline was studied . The solvent selected was N - formylmorpholine ( NFM ) promoted by a co-solvent ( COS ) .