精馏的

In this paper, a process of pressure-swing distillation for separation of HFC-245fa and HF azeotrope was simulated by Aspen Plus.

在计算机模拟和分析的基础上，研究了变压精馏分离五氟丙烷－氟化氢的工艺流程。

It was used to simulate the catalytic distillation column of methyl acetate and methanol azeotrope hydrolysis combined with the macro-dynamic equation of methyl acetate hydrolysis.

应用该方法结合实验测定的醋酸甲酯催化水解动力学数据对醋酸甲酯与甲醇共沸物催化精馏水解小试过程进行了模拟计算，得到了满意的结果。

Former Shanxi saves chemical hall hall to grow Bai Yuxiang hit the mark with a single comment: This belongs to genuine coal Jiao Shen to machine industrial catenary outspread device, market offer obtain a country to invent patent ' craft of rectify of crude benzole extraction ' and ' production of law of cooking benzene oxidation arranges anhydride ' technology of core of two big own innovation and 3 worlds the first.

原山西省化工厅厅长白玉祥一语道破：这套属于地地道道的煤焦深加工产业链延伸装置，集纳了获得国家发明专利的'粗苯萃取精馏工艺'和'焦化苯氧化法生产偏苯三酸酐'两大自主创新核心技术和3项世界第一。

The fraction of benzyl benzoate and fluorenone were enriched from benzoic acid residua by flash distillation,then separated by vacuum batch distillation,so the recovery of benzoic acid residua was implemented.

依据相关文献确定了通过闪蒸法富集苯甲酸釜残液中的苯甲酸苄酯和芴酮馏分，其后减压间歇精馏分离富集馏分，实现了苯甲酸釜残液的回收利用。

The author briefly introduces technological process and control principle of the rectification tower, with an emphasis on structure and programming method of the software system.

作者简述了精馏塔的工艺流程和控制原理，着重描述了软件系统的结构和编程方法。

The characteristic configuration and performance of the downcomer that DJ trays employ are appropriate for operations at high liquid rates.

DJ塔板系列具有独特的降液管型式，其结构和性能适用于高液通量操作；已成功地应用于炼油、石化和化肥的吸收、精馏装置中。

The mass purity of ethylamine, diethylamine and triethylamine were at least 0.995, 0.995 and 0.998 respectively, which meets the commercial requirements.

精馏后产品的质量纯度满足一乙胺不低于0.995，二乙胺不低于0.995，三乙胺不低于0.998的要求。

Without any superstructures of distillation system, the feasible region could be looked for automatically.

在不必给定精馏系统超结构的情况下，能够完成可行域的自动搜寻。

Through process simulation and optimization, a double-tower process with depropanizer and propane fractionator and without deethanizer is presented for gas fractionation as well as optimized process conditions of different units.

通过装置的流程模拟和优化，提出了气体分馏装置新双塔流程(无脱乙烷塔，只有脱丙烷塔和丙烯精馏塔)，以及各装置的优化工艺条件。

By using efficient padding, fusel oil was exactly distilled twice after being preliminarily dealt with. And then we got highly pure 2-methyl -1-butanol and--2-methyl -1-butanol.

采用高效填料，通过对预处理后的杂醇油进行两次精密精馏，得到了高纯度的2-甲基-1-丁醇和--2-甲基-1-丁醇。

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。