molecular distillation

简明释义

分子蒸馏

英英释义

Molecular distillation is a vacuum distillation process that separates compounds based on their molecular weight and volatility, typically used for purifying heat-sensitive substances.

分子蒸馏是一种真空蒸馏过程,基于化合物的分子量和挥发性进行分离,通常用于纯化热敏感物质。

例句

1.In the production of essential oils, molecular distillation is often employed to retain the delicate aromatic compounds.

在精油生产中,通常采用分子蒸馏以保留细腻的芳香化合物。

2.Researchers are exploring the benefits of molecular distillation for recycling valuable solvents in chemical processes.

研究人员正在探索在化学过程中回收有价值溶剂的分子蒸馏的好处。

3.The food industry employs molecular distillation to concentrate flavors without altering their natural profiles.

食品行业利用分子蒸馏在不改变其自然特性的情况下浓缩风味。

4.The pharmaceutical company utilized molecular distillation to purify their active ingredients, ensuring high potency and safety.

制药公司利用分子蒸馏来提纯其活性成分,以确保高效力和安全性。

5.By using molecular distillation, manufacturers can achieve higher purity levels in their products compared to traditional distillation methods.

通过使用分子蒸馏,制造商可以比传统蒸馏方法实现更高的产品纯度。

作文

Molecular distillation is a sophisticated separation technique that is primarily used for purifying heat-sensitive substances. Unlike traditional distillation methods, which rely on boiling points to separate components, Molecular Distillation (分子蒸馏) utilizes the differences in molecular weight and free path length of molecules. This innovative process allows for the effective separation of compounds at lower temperatures, making it particularly valuable in industries such as pharmaceuticals, food, and petrochemicals.The principle behind Molecular Distillation (分子蒸馏) is relatively simple yet highly effective. When a liquid mixture is subjected to a vacuum, the mean free path of the molecules increases significantly. This means that the molecules can travel longer distances without colliding with one another. As a result, lighter molecules can evaporate and be collected more efficiently than heavier ones. This is especially crucial for compounds that may decompose or lose their efficacy when exposed to high temperatures.One of the most notable applications of Molecular Distillation (分子蒸馏) is in the production of essential oils and natural flavors. These substances are often sensitive to heat, and traditional distillation methods can alter their chemical structures, leading to undesirable changes in flavor or aroma. By employing Molecular Distillation (分子蒸馏), manufacturers can extract these compounds while preserving their original properties, ensuring a high-quality final product.In the pharmaceutical industry, Molecular Distillation (分子蒸馏) plays a critical role in the purification of active pharmaceutical ingredients (APIs). Many APIs are derived from natural sources and require careful handling to maintain their potency. The ability to separate these compounds without subjecting them to high temperatures is essential for producing safe and effective medications. Furthermore, Molecular Distillation (分子蒸馏) can help remove impurities and contaminants, resulting in a purer product that meets stringent regulatory standards.Another important area where Molecular Distillation (分子蒸馏) is utilized is in the petrochemical industry. Here, it is used to separate various hydrocarbon fractions from crude oil. The high precision of this technique allows for the extraction of specific components that may be required for further processing or as standalone products. This not only enhances the efficiency of resource utilization but also minimizes waste.Despite its advantages, Molecular Distillation (分子蒸馏) does come with some challenges. The equipment required for this process can be expensive, and the operation requires a certain level of expertise. Additionally, achieving the desired separation may necessitate multiple passes through the distillation system, which can increase production time and costs. However, for many applications, the benefits far outweigh these drawbacks.In conclusion, Molecular Distillation (分子蒸馏) is a vital technology that has transformed the way we purify and separate sensitive compounds across various industries. Its ability to operate at low temperatures while providing high purity levels makes it an indispensable tool in the fields of pharmaceuticals, food production, and petrochemicals. As research continues and technology advances, we can expect to see even more innovative applications of this remarkable technique in the future.

分子蒸馏是一种复杂的分离技术,主要用于纯化热敏感物质。与传统的蒸馏方法依赖于沸点来分离组分不同,分子蒸馏利用分子重量和自由路径长度的差异。这一创新过程使得在较低温度下有效分离化合物成为可能,这在制药、食品和石化等行业中尤为重要。分子蒸馏的原理相对简单但极为有效。当液体混合物在真空中处理时,分子的平均自由路径显著增加。这意味着分子可以在不相互碰撞的情况下更长距离地传播。因此,较轻的分子可以比较重的分子更高效地蒸发并被收集。这对于那些在高温下可能分解或失去效能的化合物尤其重要。分子蒸馏最显著的应用之一是在精油和天然香料的生产中。这些物质通常对热敏感,传统的蒸馏方法可能会改变其化学结构,导致风味或香气的不良变化。通过采用分子蒸馏,制造商可以在保持这些化合物原有特性的同时提取它们,从而确保最终产品的高质量。在制药行业,分子蒸馏在活性药物成分(API)的纯化中发挥着关键作用。许多API源自天然来源,需要小心处理以保持其效力。能够在不暴露于高温的情况下分离这些化合物对于生产安全有效的药物至关重要。此外,分子蒸馏还可以帮助去除杂质和污染物,最终产生符合严格监管标准的更纯净产品。分子蒸馏在石化行业中也是一个重要的应用领域。在这里,它用于从原油中分离各种烃分馏。该技术的高精度允许提取可能需要进一步加工或作为独立产品的特定组分。这不仅提高了资源利用效率,还减少了浪费。尽管有其优势,分子蒸馏也面临一些挑战。所需的设备可能昂贵,操作也需要一定的专业知识。此外,实现所需的分离可能需要多次通过蒸馏系统,这可能会增加生产时间和成本。然而,对于许多应用来说,其好处远远超过这些缺点。总之,分子蒸馏是一项重要技术,改变了我们在各个行业中纯化和分离敏感化合物的方式。其在低温下操作并提供高纯度水平的能力,使其成为制药、食品生产和石化领域不可或缺的工具。随着研究的不断深入和技术的进步,我们可以期待在未来看到这一卓越技术的更多创新应用。

相关单词

molecular

molecular详解:怎么读、什么意思、用法

distillation

distillation详解:怎么读、什么意思、用法