精馏的

The new process can improve industrial separation of propylene and propane.

新工艺对于丙烷和丙烯的精馏分离有一定的工业意义。

In many cases, a rectifying column with reflux is used to improve the performance of the batch still.

在许多情况下，用带有回流的精馏塔以改善间歇釜的分离性能。

The proper models, such as Chao-Seader model, are chosen to caculate physical properties parameter so that physical properties caculation can be simplified and has good accuracy, tridiagonal matrix method is used to solve process modes. Normalization algorithms is improved.

模型以经典经验公式与操作员经验相结合估算精馏塔效率；选择Chao—Seader模型计算物性参数使物性计算简洁并达到较高精度；应用三对角矩阵泡点法求解过程模型；改进归一算法，提出CMB法与θ法相结合的新型归一算法提高了模型计算的收敛性与快速性。

The process of continuous heterogeneous azeotropic distillation for isopropanol-water system was studied.

为适应工业大规模连续化生产的要求，进行了异丙醇-水体系非均相共沸精馏连续过程的实验研究。

In this way benzothiophene extraction rectification can be conducted under more economic condition, therefore the better separation effect was achieved.

使硫茚萃取精馏在比较经济的条件下进行，并取得了较好的分离效果。

The extractive distillation process of benzothiophene was simulated using the software of Aspen plus.

采用Aspen plus软件模拟计算硫茚的萃取精馏，并通过了实验的校核。

The studies on production of pure cyclopentadiene by depolymerization-rectify of technical dicyclopentadiene and the influenceable factors about preparation of cyclopentene by liquid hydrogenation of cyclopentadiene at the Raney Nickel catalyst were carried out.

介绍了以工业级双环戊二烯为原料，经过解聚-精馏得到高纯度的环戊二烯，以骨架镍为催化剂，对环戊二烯液相加氢制备环戊烯的影响因素进行了研究。

Compared with the traditional process of esterify reaction, Employing the method of distillation with reaction can simplify the esterifying process, and save much energy and money.

结果表明，与传统的酯化反应过程相比较，采用反应精馏法可以简化酯化流程，节省大量能量和开支，是一项切实可行的方案。

Thus, the model has more highly application value and directions on theory to the analysis and design of the fractionating column controlling system.

因此，本模型对于精馏过程的控制系统分析和设计具有较高的实际应用价值和理论指导意义。

The fraction between the temperature range of 130℃ and 160℃ wascollected and the levulinic concentration was 98%.

洗脱液经浓缩后，在0.00266MPa下精馏，收集130℃-160℃的馏分，最终得到乙酰丙酸的纯度为98％。

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。