azeotropic

简明释义

英[ˌeɪ.zəˈtrɒp.ɪk]美[ˌeɪ.zəˈtrɒp.ɪk]

adj. 共沸点的；恒沸点的

英英释义

单词用法

同义词

反义词

例句

1.Pervaporation, as one of high efficient and economic membrane separation methods, is capable of separating azeotropic and near-boiling point mixtures.

渗透汽化分离是一种高效、节能的分离技术，特别适用于近沸及恒沸混合物的分离。

2.A new esterification equipment with a water separator by azeotropic rectification was used to the synthetic reaction of isopentyl acetate.

一种带共沸精馏分水的新型酯化反应实验装置用于合成乙酸异戊酯。

3.Finally the separation of n-hexane and ethyl acetate was tested with an industrial column in a way of batch azeotropic distillation.

最后进行了工业间歇共沸精馏分离正己烷和乙酸乙酯的实验研究。

4.A ternary system of butyl acrylate-butyl alcohol-water may be separated through rectification or azeotropic distillation according to the equilibrium relationship.

根据丙烯酸异丁酯、异丁醇、水三元物系的相平衡关系，可以采用常规精馏与共沸精馏二种分离方法。

5.In addition, the parameters under the azeotropic state such as temperature, pressure and composition were calculated.

同时对恒沸状态的温度、压力及组成等参数亦进行了相关计算。

6.In this paper, the performances characteristics of small refrigerating system using non azeotropic mixtures are introduced.

本文介绍了应用非共沸混合物的小型制冷系统的特性。

7.The experimental investigation on the relations between near-azeotropic mixture refrigerant quantity and refrigerator performance and operating parameters are presented.

研究了近共沸混合制冷剂充灌量与冰箱性能及运行参数间的关系。

8.In the reaction of sulfonation, the azeotropic water removing, sulfuric acid was used as sulfonating agent.

在磺化反应中，采用共沸除水硫酸磺化法。

9.The nano sized TiO2 powder prepared by foam flotation method was compared with the sample prepared by azeotropic distillation method.

对泡沫悬浮法和共沸蒸馏法的防团聚效果进行了系统比较。

10.The distillation of ethanol and water forms an azeotropic 共沸混合物 that cannot be separated by simple distillation.

乙醇和水的蒸馏形成一个共沸混合物，无法通过简单蒸馏分离。

11.In chemical engineering, understanding azeotropic 共沸现象 is crucial for designing effective separation processes.

在化学工程中，理解共沸现象对设计有效的分离过程至关重要。

12.The azeotropic 共沸点 of a mixture can be determined using phase diagrams.

混合物的共沸点可以通过相图确定。

13.During the production of solvents, azeotropic 共沸混合物 can complicate purification steps.

在溶剂生产过程中，共沸混合物可能会使净化步骤变得复杂。

14.To separate components in an azeotropic 共沸混合物, additional agents or methods must often be employed.

要分离共沸混合物中的成分，通常必须使用额外的试剂或方法。

作文

In the field of chemistry, the term azeotropic refers to a specific type of mixture that has unique properties. An azeotropic mixture is one in which the composition of the liquid phase and the vapor phase are the same at a particular boiling point. This means that when the mixture is boiled, it will vaporize without changing its composition, making it challenging to separate its components through simple distillation. Understanding the concept of azeotropic mixtures is crucial for many industrial processes, particularly in the production of solvents, fuels, and chemicals. For instance, ethanol and water form an azeotropic mixture at a concentration of about 95.6% ethanol and 4.4% water. When this mixture is heated, it boils at a lower temperature than either pure ethanol or pure water, which complicates the process of obtaining pure ethanol. This property is utilized in various applications, including the manufacturing of alcoholic beverages and in the petrochemical industry. The inability to separate the components completely through distillation means that additional methods, such as adsorption or membrane separation, may be required to achieve the desired purity. The significance of azeotropic mixtures extends beyond industrial applications; they also play a vital role in laboratory settings. Chemists often encounter azeotropic mixtures during experiments, especially when working with solvents. For example, when attempting to dry organic solvents, chemists must be aware of any azeotropic behavior that might interfere with their results. This requires a thorough understanding of the physical and chemical properties of the substances involved. Moreover, the study of azeotropic mixtures can lead to innovative solutions for separation processes. Researchers are continually exploring new techniques to break the azeotropic nature of certain mixtures. One promising approach involves the use of additives that can alter the interactions between the components, effectively changing the boiling point and allowing for better separation. This area of research holds great potential for improving efficiency in chemical manufacturing and reducing waste. In conclusion, the term azeotropic describes a fascinating aspect of chemistry that has significant implications in both industry and research. By understanding the properties and behaviors of azeotropic mixtures, scientists and engineers can develop more effective methods for separation and purification. As we continue to advance our knowledge in this area, we may uncover even more applications that can benefit society, from cleaner fuels to improved pharmaceuticals. Therefore, grasping the concept of azeotropic mixtures is not only essential for students of chemistry but also for anyone interested in the practical applications of science in our daily lives.

在化学领域，术语azeotropic指的是一种具有独特性质的混合物。azeotropic混合物是指在特定沸点下，液相和气相的组成相同的混合物。这意味着当混合物被加热时，它会蒸发而不改变其组成，从而使得通过简单蒸馏分离其成分变得困难。理解azeotropic混合物的概念对于许多工业过程至关重要，特别是在溶剂、燃料和化学品的生产中。 例如，乙醇和水在浓度约为95.6%的乙醇和4.4%的水时形成azeotropic混合物。当这个混合物被加热时，它的沸点低于纯乙醇或纯水，这使得获得纯乙醇的过程变得复杂。这一性质在各种应用中都得到了利用，包括制造酒精饮料和石油化工行业。由于无法通过蒸馏完全分离成分，因此可能需要额外的方法，如吸附或膜分离，以达到所需的纯度。 azeotropic混合物的重要性不仅限于工业应用；它们在实验室环境中也发挥着至关重要的作用。化学家在实验过程中经常遇到azeotropic混合物，特别是在处理溶剂时。例如，当试图干燥有机溶剂时，化学家必须意识到任何可能干扰其结果的azeotropic行为。这需要对所涉及物质的物理和化学性质有透彻的理解。 此外，对azeotropic混合物的研究可以为分离过程提供创新解决方案。研究人员不断探索新的技术来打破某些混合物的azeotropic特性。一种有前景的方法涉及使用添加剂来改变成分之间的相互作用，从而有效地改变沸点并允许更好的分离。这一研究领域具有改善化学制造效率和减少废物的巨大潜力。 总之，术语azeotropic描述了化学的一个迷人方面，对工业和研究都有重要影响。通过理解azeotropic混合物的性质和行为，科学家和工程师可以开发出更有效的分离和纯化方法。随着我们在这一领域知识的不断进步，我们可能会发现更多可以造福社会的应用，从清洁燃料到改进药物。因此，掌握azeotropic混合物的概念不仅对化学学生至关重要，也对任何对科学在日常生活中的实际应用感兴趣的人来说都是如此。