thermal cracking

简明释义

高温提炼法

英英释义

例句

1.The process of refining crude oil often involves thermal cracking (热裂解) to break down larger hydrocarbons.

原油精炼过程中常常涉及到热裂解（热裂解），以分解较大的烃类。

2.The durability of certain materials can be compromised by thermal cracking (热裂解) during extreme heat exposure.

某些材料的耐久性可能会因极端高温暴露而受到热裂解（热裂解）的影响。

3.During the production of asphalt, thermal cracking (热裂解) can occur if the temperature is not carefully controlled.

在沥青生产过程中，如果温度控制不当，可能会发生热裂解（热裂解）。

4.Engine oils are formulated to resist thermal cracking (热裂解) at high temperatures.

发动机油的配方设计旨在抵抗高温下的热裂解（热裂解）。

5.Researchers are studying thermal cracking (热裂解) as a method to convert waste plastics into fuel.

研究人员正在研究热裂解（热裂解）作为将废塑料转化为燃料的方法。

作文

Thermal cracking is a crucial process in the field of petrochemical engineering, where it plays an essential role in the production of various fuels and chemicals. This method involves breaking down large hydrocarbon molecules into smaller, more useful ones through the application of heat. The significance of thermal cracking (热裂解) lies in its ability to convert heavy oils and other complex hydrocarbons into lighter fractions that can be used as gasoline, diesel, and other valuable products. As global energy demands continue to rise, the efficiency and effectiveness of thermal cracking (热裂解) processes are becoming increasingly important. The principles behind thermal cracking (热裂解) are relatively straightforward. When hydrocarbons are subjected to high temperatures, the bonds holding the molecules together begin to break. This process can occur at temperatures ranging from 450 to 750 degrees Celsius, depending on the specific type of feedstock being used. The result is a mixture of smaller hydrocarbons, including alkenes and alkanes, which can be further refined and processed to create various chemical products.One of the primary advantages of thermal cracking (热裂解) is its versatility. It can be applied to a wide range of feedstocks, including crude oil, heavy residual oils, and even natural gas liquids. This flexibility allows refineries to optimize their operations based on the availability and cost of raw materials. Additionally, thermal cracking (热裂解) can be combined with other refining processes, such as catalytic cracking and hydrocracking, to enhance overall yield and efficiency.However, thermal cracking (热裂解) is not without its challenges. The high temperatures required for the process can lead to the formation of unwanted by-products, such as coke and tar, which can foul equipment and reduce overall efficiency. Furthermore, managing the reaction conditions is critical to maximizing the yield of desirable products while minimizing waste. Advances in technology and process control have allowed engineers to better manage these factors, leading to more efficient thermal cracking (热裂解) operations.In recent years, there has been a growing interest in developing more sustainable and environmentally friendly methods of thermal cracking (热裂解). Researchers are exploring ways to integrate renewable feedstocks, such as biomass and waste plastics, into the process. This shift not only helps reduce reliance on fossil fuels but also addresses the issue of waste management by converting unwanted materials into valuable energy sources. In conclusion, thermal cracking (热裂解) is a vital process in the petrochemical industry that enables the transformation of heavy hydrocarbons into lighter, more usable forms. Its versatility and adaptability make it an essential tool for refineries worldwide. As the industry continues to evolve, the focus on improving the efficiency and sustainability of thermal cracking (热裂解) processes will play a significant role in meeting the energy demands of the future while minimizing environmental impact.