dehydrogenation

简明释义

英[diːˌhaɪdrədʒəˈneɪʃən]美[diːˌhaɪdrədʒəˈneɪʃən]

n. [化学] 脱氢作用

英英释义

单词用法

同义词

反义词

例句

1.Aromatics formation are formed not only via the hydrogen transfer reaction between the molecules but also by dehydrogenation and aromatization.

芳烃不仅通过分子间氢转移反应生成，而且通过直接脱氢芳构化反应生成。

2.Recovery process of aromatic hydrocarbons from dehydrogenation vent gas of styrene units was studied.

研究了苯乙烯装置脱氢尾气中芳烃回收工艺。

3.Porous catalysts with carbon fiber for ethylbenzene dehydrogenation were prepared under the protection of nitrogen by programmed temperature controlling.

在氮气保护及程序控温条件下，制备了具有一定孔隙的炭纤维掺杂的乙苯脱氢催化剂。

4.Porous catalysts with carbon fiber for ethylbenzene dehydrogenation were prepared under the protection of nitrogen by programmed temperature controlling.

在氮气保护及程序控温条件下，制备了具有一定孔隙的炭纤维掺杂的乙苯脱氢催化剂。

5.Presents the performances and industrial application of TH-1 dehydrogenation catalyst.

介绍TH - 1型脱氢催化剂的性能及工业应用情况。

6.The kinetics of cyclohexane dehydrogenation on platinum reforming catalyst was studied in a flow-circulating system at ordinary pressure.

在流动循环装置中常压下进行了环已烷在铂重整催化剂上的脱氢反应动力学研究。

7.The procedure of dehydrogenation and cracking of dipentene was discussed.

最后讨论了双戊烯脱氢和裂解反应过程。

8.Ethane dehydrogenation to ethene is an effective method for using ethane.

乙烷脱氢制乙烯是乙烷利用的有效途径。

9.The process of alcohol fermentation involves the dehydrogenation 脱氢反应 of ethanol to produce acetaldehyde.

酒精发酵的过程涉及乙醇的dehydrogenation 脱氢反应，以产生乙醛。

10.In the production of hydrogen fuel, dehydrogenation 脱氢反应 of hydrocarbons is a crucial step.

在氢燃料的生产中，烃的dehydrogenation 脱氢反应是一个关键步骤。

11.The dehydrogenation 脱氢反应 of alkanes can lead to the formation of alkenes.

烷烃的dehydrogenation 脱氢反应可以导致烯烃的形成。

12.Catalysts are often used to facilitate the dehydrogenation 脱氢反应 process in chemical reactions.

催化剂通常用于促进化学反应中的dehydrogenation 脱氢反应过程。

13.The dehydrogenation 脱氢反应 of propane can yield propylene, an important industrial chemical.

丙烷的dehydrogenation 脱氢反应可以产生丙烯，这是一种重要的工业化学品。

作文

Dehydrogenation is a crucial chemical process that plays a significant role in various industrial applications, particularly in the field of organic chemistry. The term dehydrogenation refers to the removal of hydrogen from a molecule, resulting in the formation of a double bond or a decrease in the number of hydrogen atoms in the compound. This process is essential for the production of alkenes from alkanes, which are important building blocks in the synthesis of numerous chemicals and materials. In the petrochemical industry, dehydrogenation is employed to convert saturated hydrocarbons into unsaturated hydrocarbons. For instance, the conversion of propane into propylene is achieved through a process known as propane dehydrogenation. Propylene, an important raw material, is used in the manufacture of plastics, synthetic rubber, and other valuable chemicals. The efficiency of this process is vital for optimizing production and reducing costs in the industry. Moreover, dehydrogenation is not limited to hydrocarbons; it also occurs in biological systems. In cellular respiration, for example, the process of dehydrogenation is involved in the metabolic pathways that generate energy. Enzymes known as dehydrogenases facilitate the removal of hydrogen from substrates, allowing for the transfer of electrons and ultimately leading to the production of ATP, the energy currency of the cell. This highlights the importance of dehydrogenation not only in industrial chemistry but also in biological processes that sustain life. The mechanism of dehydrogenation can vary depending on the specific reaction conditions and the type of catalyst used. Catalysts such as platinum and palladium are commonly employed to enhance the rate of dehydrogenation reactions, making them more efficient. The choice of catalyst and reaction conditions can significantly affect the yield and selectivity of the desired products, which is why ongoing research in this area is crucial for advancing chemical manufacturing technologies. In summary, dehydrogenation is a fundamental chemical transformation that has far-reaching implications in both industrial and biological contexts. Its ability to alter the structure of molecules by removing hydrogen makes it a key process in the production of important chemicals and fuels. As industries continue to seek more sustainable and efficient methods of production, understanding and improving dehydrogenation processes will remain a critical area of study. By harnessing the power of dehydrogenation, we can pave the way for innovations that contribute to a more sustainable future, emphasizing the need for continued research and development in this essential field.

脱氢是一个重要的化学过程，在各种工业应用中发挥着重要作用，特别是在有机化学领域。术语dehydrogenation指的是从分子中去除氢，从而形成双键或减少化合物中的氢原子数量。这个过程对于从烷烃生产烯烃至关重要，而烯烃是合成众多化学品和材料的重要基础。 在石化工业中，dehydrogenation用于将饱和烃转化为不饱和烃。例如，通过一种称为丙烷dehydrogenation的过程，将丙烷转化为丙烯。丙烯是一种重要的原料，用于制造塑料、合成橡胶和其他有价值的化学品。这个过程的效率对于优化生产和降低成本至关重要。 此外，dehydrogenation不仅限于烃类，它也发生在生物系统中。在细胞呼吸中，例如，dehydrogenation过程涉及产生能量的代谢途径。被称为脱氢酶的酶促进底物中氢的去除，允许电子的转移，最终导致ATP的产生，ATP是细胞的能量货币。这突显了dehydrogenation在工业化学和维持生命的生物过程中的重要性。 dehydrogenation的机制可以根据特定的反应条件和所使用的催化剂类型而有所不同。铂和钯等催化剂通常被用于提高dehydrogenation反应的速率，使其更加高效。催化剂和反应条件的选择会显著影响所需产品的产率和选择性，这就是为什么在这一领域的持续研究对于推进化学制造技术至关重要。 总之，dehydrogenation是一个基本的化学转化，在工业和生物环境中都有深远的影响。它通过去除氢来改变分子的结构，使其成为生产重要化学品和燃料的关键过程。随着各行业继续寻求更可持续和高效的生产方法，理解和改进dehydrogenation过程将仍然是一个关键的研究领域。通过利用dehydrogenation的力量，我们可以为创新铺平道路，为更可持续的未来做出贡献，强调在这一重要领域继续进行研究和开发的必要性。