azeotropic mixture

The catalysts, reactor and separating methods for the azeotropic mixture in transesterification were emphasized.

讨论了酯交换法中采用的催化剂 、 反应过程及装置以及反应中产生的共沸物的分离方法.

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As a prototype of azeotropic mixture, water-ethanol system was studied experimentally.

水 - 乙醇体系作为一种典型的共沸混合物被研究.

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Some researches have been done on plate evaporator with pure refrigerant or near azeotropic mixture, but not with non-azeotropic mixture.

目前，针对单工质或近共沸工质的板式蒸发器研究已有开展，但对于非共沸工质的尚未见报道；

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To solve these problems, we proposed azeotropic mixture auto-cascade heat pump in this thesis.

为解决这些问题,在本文中, 我们提出了非共沸混合工质自复叠热泵循环.

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The condensation temperature and evaporation temperature are variational in condensator and evaporator using R22/ R142b non-azeotropic mixture refrigerant.

R22/R142b非共沸混合制冷剂在冷凝器和蒸发器中其冷凝温度和蒸发温度是变化的。

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The results showed that the relative volatility of ethanol-water azeotropic mixture increased obviously as solvent ratio increased and the slop cut of water-glycol lasted a very short time during which the temperature at the top of the column rose sharply.

实验得出，乙醇水体系的相对挥发度随溶剂比的增加而显著增大，水乙二醇过渡馏分段持续时间很短，在该段时间会出现塔顶温度急剧跃升的现象；

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