redistillation

简明释义

英[ˌrɛdɪsˈtɪl.eɪ.ʃən]美[ˌriːdɪsˈtɪleɪʃən]

n. 再蒸瘤

英英释义

单词用法

同义词

反义词

例句

1.The redistillation apparatus was made by the renovation of obsolete equipments, which was helpful for increasing the utilization rate of dormant assets.

复馏装置由旧设备改造而成，有利于提高闲置资产的利用率。

2.The redistillation apparatus was made by the renovation of obsolete equipments, which was helpful for increasing the utilization rate of dormant assets.

复馏装置由旧设备改造而成，有利于提高闲置资产的利用率。

3.In order not to influence the quality of light chemical oil. we adopt the method of partial redistillation.

为了不影响化工轻油质量，采取部分回炼的方法。

4.The process of redistillation is often used to purify chemicals in a laboratory setting.

在实验室中，再蒸馏过程常用于纯化化学品。

5.After the first distillation, we performed a redistillation to achieve higher purity.

第一次蒸馏后，我们进行了再蒸馏以达到更高的纯度。

6.In the production of essential oils, redistillation can enhance the fragrance profile.

在精油生产中，再蒸馏可以增强香气特征。

7.The redistillation of crude oil is crucial for obtaining various petroleum products.

原油的再蒸馏对于获得各种石油产品至关重要。

8.We decided to use redistillation to remove impurities from the solvent.

我们决定使用再蒸馏来去除溶剂中的杂质。

作文

The process of separation and purification of liquids is a fundamental aspect of chemistry and industrial applications. One of the key techniques used in this field is called redistillation, which refers to the process of distilling a liquid that has already been distilled once. This method is particularly useful when the initial distillation does not yield a sufficiently pure product or when further purification is required. In essence, redistillation involves taking the distillate from the first distillation and subjecting it to a second round of distillation to enhance purity and separate components more effectively. To understand the significance of redistillation, we must first explore the principles of distillation. Distillation itself is based on the differences in boiling points of various substances. When a mixture is heated, the component with the lowest boiling point vaporizes first, allowing it to be collected separately from the rest of the mixture. However, in many cases, especially in the production of high-purity chemicals or essential oils, a single distillation may not produce the desired level of purity. This is where redistillation comes into play. In industries such as petrochemicals, pharmaceuticals, and food production, redistillation is a crucial step in ensuring that the final product meets stringent quality standards. For instance, in the production of alcoholic beverages, the initial distillation may leave behind impurities that can affect flavor and safety. By employing redistillation, producers can remove these unwanted components, resulting in a cleaner and more palatable product. Moreover, redistillation can also be applied in laboratories for research purposes. Chemists often need to obtain highly purified solvents or compounds for their experiments. By utilizing redistillation, they can ensure that their reagents are free from contaminants that could interfere with their results. This meticulous approach to purification is essential in scientific research, where accuracy and precision are paramount. The equipment used for redistillation typically includes a distillation column, which provides a larger surface area for vaporization and condensation, enhancing the separation efficiency. The design of the column can vary depending on the specific requirements of the distillation process, but its primary function remains the same: to facilitate the repeated vaporization and condensation of the liquid mixture. In conclusion, redistillation is an indispensable technique in both industrial and laboratory settings. It serves as a powerful tool for achieving higher levels of purity in various products, ranging from chemicals to food and beverages. Understanding the mechanics and applications of redistillation not only highlights its importance in practical scenarios but also emphasizes the intricate nature of chemical processes. As industries continue to evolve and demand greater purity in their products, the role of redistillation will undoubtedly become even more significant, paving the way for advancements in quality control and product development.

液体的分离和纯化过程是化学和工业应用中的一个基本方面。该领域使用的关键技术之一称为再蒸馏，它指的是对已经蒸馏过一次的液体进行再次蒸馏的过程。当初始蒸馏未能产生足够纯净的产品或需要进一步纯化时，这种方法特别有效。实质上，再蒸馏涉及将第一次蒸馏的馏分再进行第二轮蒸馏，以提高纯度并更有效地分离成分。 要理解再蒸馏的重要性，我们必须首先探索蒸馏的原理。蒸馏本身是基于各种物质沸点的差异。当混合物被加热时，沸点最低的成分首先蒸发，从而允许它与其余混合物分开收集。然而，在许多情况下，尤其是在高纯度化学品或精油的生产中，单次蒸馏可能无法产生所需的纯度水平。这就是再蒸馏发挥作用的地方。 在石油化工、制药和食品生产等行业中，再蒸馏是确保最终产品符合严格质量标准的关键步骤。例如，在酒精饮料的生产中，初次蒸馏可能会留下影响风味和安全性的杂质。通过采用再蒸馏，生产者可以去除这些不必要的成分，从而获得更清洁、更可口的产品。 此外，再蒸馏也可以在实验室中用于研究目的。化学家常常需要获得高度纯化的溶剂或化合物以进行实验。通过利用再蒸馏，他们可以确保试剂不含可能干扰其结果的污染物。这种对纯化的细致关注在科学研究中至关重要，因为准确性和精确性是至关重要的。 用于再蒸馏的设备通常包括蒸馏塔，该塔提供更大的蒸发和冷凝表面积，从而提高分离效率。根据蒸馏过程的具体要求，塔的设计可能会有所不同，但其主要功能保持不变：促进液体混合物的重复蒸发和冷凝。 总之，再蒸馏是在工业和实验室环境中不可或缺的技术。它作为一种强有力的工具，用于在各种产品（从化学品到食品和饮料）中实现更高的纯度。理解再蒸馏的机制和应用不仅突显了它在实际场景中的重要性，还强调了化学过程的复杂性。随着行业的不断发展，对产品纯度的需求日益增加，再蒸馏的作用无疑会变得更加重要，为质量控制和产品开发的进步铺平道路。