dry distillation

简明释义

干馏

英英释义

例句

1.The ancient method of dry distillation 干馏 was employed by civilizations to extract essential oils from plants.

古代文明使用干馏 干馏的方法从植物中提取精油。

2.During dry distillation 干馏, the absence of water allows for the preservation of volatile compounds.

在干馏 干馏过程中，水的缺乏有助于保持挥发性化合物。

3.Researchers are exploring the use of dry distillation 干馏 for converting organic waste into biofuels.

研究人员正在探索使用干馏 干馏将有机废物转化为生物燃料。

4.In the production of charcoal, the process of dry distillation 干馏 is used to convert wood into a carbon-rich material.

在木炭的生产中，使用干馏 干馏的过程将木材转化为富含碳的材料。

5.The dry distillation 干馏 of coal can produce valuable by-products like tar and gases.

煤的干馏 干馏可以产生像焦油和气体这样的有价值的副产品。

作文

In the realm of chemistry and material science, various methods are employed to extract valuable compounds from raw materials. One such method is dry distillation, a process that involves heating organic materials in the absence of air. This technique is particularly significant because it allows for the decomposition of complex substances without combustion, resulting in a variety of useful products. Understanding dry distillation is essential for both industrial applications and academic research.The primary advantage of dry distillation lies in its ability to produce gases, liquids, and solid residues from organic matter. The process typically begins with the careful selection of feedstock, which can include wood, coal, or other carbon-rich materials. Once the material is placed in a sealed container and heated, it undergoes thermal decomposition. This results in the release of volatile compounds, which can be collected and condensed into liquid form, while the non-volatile residues remain in solid form.One of the most common examples of dry distillation is the production of charcoal. When wood is subjected to this process, it breaks down into charcoal, tar, and various gases. The charcoal produced is a valuable fuel source, while the tar can be further processed into chemicals used in various industries. Additionally, the gases released during dry distillation can be captured and utilized as an energy source or converted into other chemical products.Another important application of dry distillation is in the field of petrochemicals. In this context, crude oil is subjected to various distillation processes, including dry distillation, to separate different hydrocarbons based on their boiling points. This separation is crucial for producing gasoline, diesel, and other valuable fuels. By understanding the principles of dry distillation, chemists and engineers can optimize these processes to enhance efficiency and yield.Moreover, dry distillation plays a vital role in the production of essential oils. Many plants contain aromatic compounds that can be extracted using this method. For instance, when certain herbs are subjected to dry distillation, they release their essential oils, which are then collected for use in perfumes, cosmetics, and aromatherapy products. This demonstrates the versatility of dry distillation in extracting not only fuels but also valuable natural compounds.In conclusion, dry distillation is a fundamental technique in both industrial and laboratory settings. Its ability to decompose organic materials without combustion opens up numerous possibilities for extracting valuable products. From producing charcoal and essential oils to refining crude oil, the applications of dry distillation are vast and varied. As research continues to advance, the understanding and optimization of this process will undoubtedly lead to even more innovative uses in the future. Therefore, grasping the concept of dry distillation is crucial for anyone involved in chemistry, environmental science, or related fields.

在化学和材料科学领域，各种方法被用来从原材料中提取有价值的化合物。其中一种方法是干馏，这个过程涉及在无空气的情况下加热有机材料。此技术尤其重要，因为它允许复杂物质在不燃烧的情况下分解，从而产生多种有用的产品。理解干馏对于工业应用和学术研究都至关重要。干馏的主要优点在于它能够从有机物中生产气体、液体和固体残留物。该过程通常从仔细选择原料开始，这可以包括木材、煤或其他富含碳的材料。一旦将材料放入密封容器中并加热，它就会经历热分解。这导致挥发性化合物的释放，可以收集并凝结成液体形式，而非挥发性残留物则保留为固体形式。干馏最常见的例子之一是木炭的生产。当木材经过这一过程时，它分解成木炭、焦油和各种气体。所产生的木炭是一种有价值的燃料来源，而焦油则可以进一步加工成各种行业使用的化学品。此外，在干馏过程中释放的气体可以被捕获并用作能源或转化为其他化学产品。在石油化工领域，干馏也发挥着重要作用。在这种情况下，原油经过各种蒸馏过程，包括干馏，以根据沸点分离不同的烃。这种分离对生产汽油、柴油和其他有价值的燃料至关重要。通过理解干馏的原理，化学家和工程师可以优化这些过程，以提高效率和产量。此外，干馏在精油的生产中也扮演着重要角色。许多植物含有可以通过这种方法提取的芳香化合物。例如，当某些草药经过干馏时，它们释放出其精油，这些精油随后被收集用于香水、化妆品和芳香疗法产品。这展示了干馏在提取不仅是燃料，还有有价值的天然化合物方面的多样性。总之，干馏是在工业和实验室环境中基本的技术。它在不燃烧的情况下分解有机材料的能力为提取有价值的产品打开了无数可能性。从生产木炭和精油到精炼原油，干馏的应用广泛多样。随着研究的不断进展，对这一过程的理解和优化无疑将导致未来更具创新性的用途。因此，掌握干馏的概念对于任何参与化学、环境科学或相关领域的人来说都是至关重要的。