batch distillation

简明释义

1. 分批蒸馏; 2. 间歇式蒸馏;

英英释义

例句

1.During the batch distillation process, the mixture is heated until it vaporizes.

在批量蒸馏过程中，混合物被加热直到其蒸发。

2.Many small distilleries rely on batch distillation to produce high-quality spirits.

许多小型酒厂依赖于批量蒸馏来生产高质量的烈酒。

3.The process of batch distillation is often used in laboratories for small-scale separations.

在实验室中，批量蒸馏过程通常用于小规模分离。

4.In the production of essential oils, batch distillation can help extract pure compounds from plant materials.

在精油生产中，批量蒸馏可以帮助从植物材料中提取纯化合物。

5.The batch distillation method is preferred when dealing with heat-sensitive materials.

批量蒸馏方法在处理热敏感材料时更为理想。

作文

In the field of chemical engineering, separation processes are crucial for producing pure substances. One such method is batch distillation, which is widely used in laboratories and small-scale production facilities. Unlike continuous distillation, where the feed is constantly fed into the system, batch distillation involves processing a specific quantity of liquid at a time. This technique is particularly beneficial when dealing with limited quantities of materials or when high purity is required. The process begins with the heating of a mixture in a distillation flask. As the mixture heats up, the components with lower boiling points vaporize first. These vapors then travel through a condenser, where they cool down and revert to liquid form. The condensed liquid, known as the distillate, is collected separately from the remaining mixture, or the residue. This cycle can be repeated multiple times to increase the purity of the desired component.One of the primary advantages of batch distillation is its flexibility. Operators can easily adjust the parameters of the process, such as temperature and pressure, to optimize the separation of different components. This makes it an ideal choice for research and development purposes, where experiments may vary significantly from one batch to another. Additionally, batch distillation is often more economical for small-scale operations, as it requires less investment in equipment compared to continuous systems.However, batch distillation also has its drawbacks. The process can be time-consuming, as each batch must be processed sequentially. This limitation can lead to longer production times and reduced overall efficiency, especially when large volumes of product are needed. Furthermore, the need for manual intervention during the operation can introduce variability and potential errors, affecting the consistency of the final product.In conclusion, batch distillation is a valuable technique in the realm of chemical separation. It provides the flexibility and control necessary for handling various mixtures, making it suitable for both laboratory and small-scale industrial applications. While it may not be as efficient as continuous distillation for large-scale operations, its advantages in terms of adaptability and cost-effectiveness make it an important method in many scenarios. Understanding the principles and applications of batch distillation can greatly enhance one's knowledge of chemical processes and their practical uses in industry.

在化学工程领域，分离过程对于生产纯净物质至关重要。其中一种方法是批量蒸馏，它广泛应用于实验室和小规模生产设施。与连续蒸馏不同，连续蒸馏是将原料不断送入系统，而批量蒸馏则涉及一次处理特定数量的液体。这种技术在处理有限数量的材料或需要高纯度时特别有利。该过程从加热混合物开始，通常在蒸馏烧瓶中进行。当混合物加热时，沸点较低的成分首先蒸发。这些蒸汽随后通过冷凝器，冷却后重新变为液体。收集到的冷凝液称为蒸馏液，与剩余的混合物或残渣分开。这个循环可以重复多次，以提高所需成分的纯度。批量蒸馏的主要优点之一是其灵活性。操作员可以轻松调整过程参数，如温度和压力，以优化不同成分的分离。这使得它成为研究和开发目的的理想选择，因为实验可能在每一批次之间有显著变化。此外，批量蒸馏在小规模操作中通常更具经济性，因为与连续系统相比，它对设备的投资要求较低。然而，批量蒸馏也有其缺点。由于每一批次必须顺序处理，因此该过程可能耗时。这一限制可能导致较长的生产时间和降低的整体效率，尤其是在需要大量产品时。此外，在操作过程中需要人工干预，这可能引入变异性和潜在错误，从而影响最终产品的一致性。总之，批量蒸馏是化学分离领域中一种宝贵的技术。它提供了处理各种混合物所需的灵活性和控制能力，使其适合实验室和小规模工业应用。虽然对于大规模操作而言，它的效率可能不及连续蒸馏，但在适应性和成本效益方面的优势使其在许多场景中成为重要的方法。理解批量蒸馏的原理和应用可以极大地增强人们对化学过程及其在工业中的实际用途的认识。