精馏的

Based on quasi-binary method built agone, a new RD column design method is put forward.

基于建立的拟二元法，提出一种新的反应精馏塔的设计法。

The result showed that every azeotrope was homogeneous and sensitive to pressure, which means a significant change in the azeotropic composition and allows the recovery of feed components without adding a separating agent.

结果显示：常压下，5个碳以下的某一腈类物质1与沸点在±1 t 20℃范围内的羟基在1号碳位上的直链醇类会形成均相共沸物，且其共沸组成随压力变化敏感，理论上可用变压精馏进行分离。

A control scheme for closed heat pump distillation is proposed based on steady state characteristics of distil- lation column.

结果表明，当系统出现扰动时，本文提出的热泵精馏控制方案能够使系统快速达到新的稳态，方案可行，且具有较强的抗扰动能力。

By the simulation comparison it is clear that the downcomer greatly affected the severing calculation of multicomponent distillation columns, therefore it is more reasonable to consider the effect of downcomers.

通过仿真对比表明，降液管对多元精馏塔的分离计算具有较大的影响，考虑降液管的影响将更加符合实际工况。

By comparing the costs of the steam in different processes,the optimal energy conservation method is obtained.

通过对不同流程所需的加热蒸汽的费用比较，提出了精馏设计的最佳节能优化方案。

The components of the system being studied are divided into two groups according to degree of volatility, named quasi-heavy component and quasi-light component, then through solving the vapor-liquid equilibrium data of the system, quasi-binary method can be applied to carry out RD graphical design calculation.

把待研究体系的多个组分按照挥发度高低划分为拟重和拟轻两个组分，通过求解体系的汽液平衡数据，可采用拟二元方法进行反应精馏塔的图解设计计算。

In order to satisfy the demend of the technology, drew a flow flate, and made an accurate calculation for all aspects of the tower as follows: the technology condition, the data of material quality, the tower body, the size of the tower plate.

本设计为了满足生产工艺的要求，绘制了工艺流程图，对精馏塔进行物料衡算和塔的工艺条件及物性数据进行了计算，并对塔体、塔板工艺尺寸作了计算。

Zinc oxide raw materials and zinc oxide ores, containing high fluorine, chloride and iron, can 't be treated to produces electrowinned zinc by routine process. High-purity zinc using in non-mercury zinc powders is prepared only by using vacuum distillation or rectify process from zinc of the zero grade.

本文针对目前氟、氯、铁等杂质元素高的氧化锌物料、氧化锌矿常规方法难以处理以及无汞合金锌粉用高纯锌必须由0号锌用真空蒸馏或精馏法生产的问题。

Tall oil is a major by-product in sulfate or Kraft pulping process,from which high-grade tall oil as well as its distillation products tall oil rosin and tall oil fatty acid are prepared as important materials for fine chemicals.

木浆浮油是硫酸盐法制浆造纸重要的副产品，高品质木浆浮油及其精馏产品浮油松香、浮油脂肪酸等都是重要的精细化工原料。

Aviation kerosene is one of the main products of distillation process; dry point is an index reflecting its quality, which is obtained in laboratory every 8 hours.

航空煤油是精馏装置的主要产品之一，干点值是衡量航煤质量的一个重要参数指标，是由化验室每隔一定时间进行一次采样分析得到。

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。