distillate fraction

简明释义

馏份

英英释义

例句

1.In the laboratory, we analyzed the distillate fraction 馏分 for its chemical composition.

在实验室中，我们分析了distillate fraction馏分的化学成分。

2.During the distillation process, the distillate fraction 馏分 collected at lower temperatures is often more valuable.

在蒸馏过程中，较低温度收集的distillate fraction馏分通常更有价值。

3.The distillate fraction 馏分 can be further processed to produce various petrochemical products.

该distillate fraction馏分可以进一步加工以生产各种石化产品。

4.The refinery produced a high-quality distillate fraction 馏分 that is suitable for jet fuel.

炼油厂生产了一种高质量的distillate fraction馏分，适合用于航空燃料。

5.The distillate fraction 馏分 obtained from crude oil is essential for producing gasoline.

从原油中获得的distillate fraction馏分对生产汽油至关重要。

作文

The process of refining crude oil is a complex and intricate operation that yields various products essential for modern society. Among these products, the distillate fraction plays a crucial role in the energy sector and beyond. To understand the significance of the distillate fraction, one must first comprehend what it entails. Essentially, the distillate fraction refers to the portion of crude oil that is separated during the distillation process, specifically those components that boil at a range between approximately 180°C to 360°C. This fraction is vital as it includes valuable products such as diesel fuel, kerosene, and heating oil, which are widely used in transportation, aviation, and residential heating.The distillation process itself is a physical separation technique that exploits the differences in boiling points of various hydrocarbons present in crude oil. As crude oil is heated in a distillation column, it vaporizes into different components, which then rise through the column. The cooler temperatures at higher levels of the column allow for the condensation of heavier fractions, while lighter fractions rise higher before condensing. This careful separation ensures that the distillate fraction can be collected efficiently, maximizing yield and minimizing waste.One of the primary uses of the distillate fraction is in the production of diesel fuel. Diesel engines, known for their efficiency and power, rely heavily on this specific fraction. The demand for diesel fuel has been consistently high, particularly in the transportation and logistics sectors, where heavy-duty vehicles are predominant. Additionally, the distillate fraction is also crucial for producing jet fuel, which powers commercial and military aircraft. The aviation industry depends on high-quality fuels derived from this fraction to ensure safety and performance during flights.In addition to transportation fuels, the distillate fraction is essential for heating applications. Many households and businesses utilize heating oil derived from this fraction to maintain comfortable indoor temperatures during colder months. This reliance on the distillate fraction highlights its importance not only in terms of energy supply but also in contributing to the overall quality of life.Furthermore, the distillate fraction has implications beyond just fuel. It serves as a feedstock for various petrochemical processes, leading to the production of lubricants, solvents, and other chemical products. These derivatives are integral to numerous industries, including manufacturing, agriculture, and pharmaceuticals. Therefore, understanding the distillate fraction extends beyond its immediate applications, revealing its interconnectedness with a wide array of economic activities.However, the extraction and utilization of the distillate fraction come with environmental considerations. The fossil fuel industry faces increasing scrutiny over its contributions to climate change and pollution. As society moves towards more sustainable energy solutions, the future of the distillate fraction may evolve. Innovations in renewable energy sources and advancements in technology may lead to a decrease in reliance on traditional fossil fuels, including those derived from the distillate fraction. In conclusion, the distillate fraction is a fundamental component of the crude oil refining process that provides critical energy resources and industrial materials. Its role in fueling transportation, heating homes, and serving as a basis for various chemical products underscores its importance in our daily lives. As we continue to navigate the challenges posed by climate change and the need for sustainable practices, understanding and managing the use of the distillate fraction will be essential for balancing energy needs with environmental responsibilities.

原油精炼过程是一项复杂而精细的操作，产生了现代社会所需的各种产品。其中，馏分在能源领域及其他方面发挥着至关重要的作用。要理解馏分的重要性，首先必须了解它的含义。基本上，馏分是指在蒸馏过程中从原油中分离出来的部分，具体是指那些在约180°C到360°C之间沸腾的组分。这个馏分是至关重要的，因为它包括柴油、煤油和取暖油等有价值的产品，这些产品广泛用于交通、航空和住宅供暖。蒸馏过程本身是一种物理分离技术，利用原油中各种烃的沸点差异。当原油在蒸馏塔中加热时，它会蒸发成不同的组分，然后这些组分在塔中上升。塔的较高位置温度较低，允许更重的馏分凝结，而较轻的馏分则在更高的位置凝结。这种精心分离确保了馏分能够高效收集，最大化产量并最小化浪费。馏分的主要用途之一是生产柴油燃料。柴油发动机以其效率和动力著称，严重依赖这一特定的馏分。柴油燃料的需求一直很高，尤其是在运输和物流行业，重型车辆占主导地位。此外，馏分对生产喷气燃料也至关重要，后者为商业和军用飞机提供动力。航空业依赖于从该馏分中提取的高质量燃料，以确保飞行安全和性能。除了交通燃料外，馏分在供暖应用中也至关重要。许多家庭和企业利用从这一馏分中提取的取暖油，在寒冷的月份保持舒适的室内温度。这种对馏分的依赖突显了其在能源供应方面的重要性，同时也提升了整体生活质量。此外，馏分在燃料之外还有更广泛的影响。它作为各种石化过程的原料，导致润滑油、溶剂和其他化学产品的生产。这些衍生物在制造、农业和制药等多个行业中都是不可或缺的。因此，理解馏分的意义不仅限于其直接应用，还揭示了其与各种经济活动的相互联系。然而，提取和利用馏分也伴随着环境考虑。化石燃料行业面临着越来越多的气候变化和污染方面的审查。随着社会向更可持续的能源解决方案转变，馏分的未来可能会发生变化。可再生能源和技术进步的创新可能导致对传统化石燃料的依赖减少，包括那些源自馏分的燃料。总之，馏分是原油精炼过程中一个基本组成部分，提供关键的能源资源和工业材料。它在为交通提供燃料、为家庭供暖以及作为各种化学产品的基础方面的作用，突显了其在我们日常生活中的重要性。随着我们继续应对气候变化带来的挑战和对可持续实践的需求，理解和管理馏分的使用将对于平衡能源需求与环境责任至关重要。