atmospheric distillation

简明释义

常压蒸馏

英英释义

例句

1.The oil refinery uses atmospheric distillation to separate crude oil into various fractions.

炼油厂使用常压蒸馏将原油分离成不同的馏分。

2.After atmospheric distillation, heavier fractions are further processed in vacuum distillation.

经过常压蒸馏后，重馏分会在真空蒸馏中进一步处理。

3.In the petrochemical industry, atmospheric distillation is a crucial first step in refining.

在石化行业中，常压蒸馏是炼制过程中的关键第一步。

4.The efficiency of atmospheric distillation can be affected by the composition of the crude oil.

常压蒸馏的效率可能会受到原油成分的影响。

5.During the atmospheric distillation process, lighter hydrocarbons are collected at lower temperatures.

在常压蒸馏过程中，较轻的烃类在较低温度下被收集。

作文

Atmospheric distillation is a crucial process in the field of chemical engineering and petroleum refining. It involves the separation of different components of crude oil based on their boiling points. This method is essential for producing various fuels and chemicals that are vital for modern society. The process begins by heating crude oil in a distillation column, where it is subjected to high temperatures. As the oil heats up, it vaporizes, and the vapors rise through the column. Different fractions of the oil condense at different heights within the column, depending on their respective boiling points. The lighter components, such as gasoline and kerosene, rise to the top, while heavier fractions, such as diesel and residual oils, remain lower in the column.The significance of atmospheric distillation (常压蒸馏) lies not only in its ability to separate crude oil into useful products but also in its efficiency and effectiveness. This method allows for the extraction of a wide range of hydrocarbons, which can then be further processed or refined to meet specific industrial needs. For example, the gasoline produced from atmospheric distillation is used as fuel for vehicles, while jet fuel is derived from kerosene fractions. Additionally, the heavier oils can be converted into lubricants or asphalt, showcasing the versatility of the products obtained through this process.Moreover, the atmospheric distillation (常压蒸馏) process is relatively straightforward compared to other distillation methods, such as vacuum distillation. In vacuum distillation, the pressure is reduced to lower the boiling points of the substances being separated, which can be necessary for certain heavy fractions that decompose at high temperatures. However, atmospheric distillation is often the first step in the refining process, providing a foundation for subsequent treatments and conversions.Environmental considerations are also important when discussing atmospheric distillation (常压蒸馏). The process itself can produce emissions and waste products that need to be managed properly to minimize environmental impact. Modern refineries are increasingly adopting technologies and practices aimed at reducing emissions and improving energy efficiency during the distillation process. This includes the use of heat exchangers, which recover energy from the hot vapors and reduce the overall energy consumption of the distillation unit.In conclusion, atmospheric distillation (常压蒸馏) is a fundamental technique in the petroleum industry, playing a vital role in the production of fuels and chemicals. Its ability to efficiently separate various components of crude oil makes it indispensable for meeting the energy demands of contemporary society. As technology advances, the process continues to evolve, incorporating more sustainable practices that align with environmental goals. Understanding the principles and applications of atmospheric distillation is essential for anyone interested in the fields of chemistry, engineering, and environmental science, as it highlights the intricate balance between industrial processes and ecological responsibility.

常压蒸馏是化学工程和石油精炼领域中的一个关键过程。它涉及根据沸点分离原油的不同组分。这种方法对于生产现代社会所需的各种燃料和化学品至关重要。该过程首先在蒸馏塔中加热原油，在高温下进行处理。当原油加热时，它会蒸发，蒸汽在塔中上升。根据各自的沸点，不同的油品在塔中的不同高度凝结。较轻的组分，如汽油和煤油，会上升到顶部，而较重的组分，如柴油和残余油，则留在塔的下方。常压蒸馏的重要性不仅在于它能够将原油分离成有用的产品，还在于其效率和有效性。这种方法允许提取广泛的烃类，这些烃类可以进一步加工或精炼以满足特定的工业需求。例如，从常压蒸馏中生产的汽油用于车辆燃料，而喷气燃料则来源于煤油组分。此外，重油可转化为润滑油或沥青，展示了通过这一过程获得的产品的多样性。此外，常压蒸馏的过程相对简单，与其他蒸馏方法（如真空蒸馏）相比。在真空蒸馏中，压力降低以降低被分离物质的沸点，这在某些高温下会分解的重组分中是必要的。然而，常压蒸馏通常是精炼过程的第一步，为后续处理和转化提供基础。讨论常压蒸馏时，环境因素也很重要。该过程本身可能产生需要妥善管理的排放和废物，以最小化对环境的影响。现代炼油厂越来越多地采用旨在减少排放和提高蒸馏过程能效的技术和实践。这包括使用热交换器，从热蒸汽中回收能量，减少蒸馏装置的整体能耗。总之，常压蒸馏是石油工业中的基本技术，在燃料和化学品的生产中发挥着重要作用。它有效分离原油中各种组分的能力使其成为满足当代社会能源需求的不可或缺的一部分。随着技术的进步，该过程继续演变，融入更多可持续的实践，以符合环境目标。理解常压蒸馏的原理和应用对于任何对化学、工程和环境科学感兴趣的人来说都是必不可少的，因为它突显了工业过程与生态责任之间的微妙平衡。