hydrocracking

简明释义

英[ˈhaɪdrəʊˌkrækɪŋ]美[ˈhaɪdrəˌkrækɪŋ]

n. [油气]加氢裂化；氢化裂解

v. [油气]加氢裂化（hydrocrack 的 ing 形式）；氢化裂解

英英释义

单词用法

同义词

反义词

例句

1.Hydrocracking is one of the most important catalytic processes of petrochemical industry, meanwhile it is an accident frequently-occurring process.

加氢裂化是石油化工工业中最重要的催化加工过程之一，但又是一个事故多发的工艺过程。

2.Progresses in engineering design, technical characteristics and engineering development of domestic hydrocracking units were summarized.

总结了近年来国内加氢裂化装置的设计概况、技术特点以及工程开发的新进展。

3.Analysis and study for how to uniformly distribute the two - phase flow to the heater inlet in hydrocracking unit is done in the article.

对炼油装置中两相流介质进加热炉如何均匀分配的问题进行了分析和探讨。

4.Bench scale test and commercial application test have verified that the tail oil from heavy AGO and light VGO hydrocracking is an excellent feedstock for ethylene production.

常压三线和减压一线油的加氢裂化尾油作裂解原料，经过小型试验评价和工业实际应用，证明它是优良的乙烯裂解原料。

5.The hydrogenation tail oil obtained from process could be used as superior FCC or hydrocracking feedstock.

加氢尾油可作为优质的催化裂化或加氢裂化掺炼原料。

6.The effect of adjuvant on Liaohe atmospheric residue(LHAR) asphaltene in slurry-bed hydrocracking was studied by means of FT-IR and UV-Vis.

通过红外光谱及紫外可见光谱分析了悬浮床加氢裂化助剂对辽河常压渣油沥青质的作用。

7.The method and the process to establish lumped kinetic model of tetralin hydrocracking have been discussed according to the mechanism of pseudo first order reaction.

按照加氢裂化拟一级反应机理，论述了建立四氢萘加氢裂化集总动力学模型的方法和步骤。

8.The processing capacity of hydrocracking units accounts for 12.4% of the total crude processing capacity in China.

现有加氢裂化装置的加工能力占原油一次加工能力的比例已达到12.4%。

9.The catalyst was tested on a small scale hydrocracking apparatus.

在小型加氢裂化装置上对催化剂反应性能进行了考察。

10.The process of hydrocracking is essential for converting heavy crude oil into valuable fuels.

加氢裂化过程对于将重质原油转化为有价值的燃料至关重要。

11.Refineries often use hydrocracking to improve the yield of gasoline and diesel.

炼油厂通常使用加氢裂化来提高汽油和柴油的产量。

12.During hydrocracking, hydrogen is added to break down larger hydrocarbons.

在加氢裂化过程中，氢被添加以分解较大的烃类。

13.The efficiency of hydrocracking can be influenced by the catalyst used in the reaction.

反应中使用的催化剂会影响加氢裂化的效率。

14.In modern refineries, hydrocracking units are crucial for meeting fuel specifications.

在现代炼油厂中，加氢裂化装置对满足燃料规格至关重要。

作文

In the world of petroleum refining, various processes are employed to convert crude oil into valuable products. One such process is hydrocracking, which plays a crucial role in enhancing the yield of high-quality fuels from heavier fractions of crude oil. Hydrocracking is a catalytic process that involves the breaking down of large hydrocarbon molecules into smaller ones in the presence of hydrogen. This method not only improves the quality of the fuel produced but also increases the overall efficiency of the refining process. The significance of hydrocracking lies in its ability to produce lighter hydrocarbons, such as gasoline and diesel, which are in high demand in today’s energy market. As global energy consumption continues to rise, refineries are challenged to maximize output while minimizing environmental impact. Hydrocracking addresses this challenge by allowing refineries to process heavier oils that were previously considered less desirable. By converting these heavy oils into lighter, more valuable products, refineries can meet the growing demand for cleaner fuels. The hydrocracking process typically occurs in two main stages: the first stage involves the cracking of heavy feedstocks, while the second stage focuses on the saturation of the resulting products with hydrogen. The use of catalysts in hydrocracking is essential, as they facilitate the chemical reactions needed to break down the larger molecules efficiently. Common catalysts used in this process include noble metals like platinum or palladium, which help to enhance the reaction rates and improve the overall yield. Moreover, hydrocracking offers several environmental benefits. By producing cleaner fuels with lower sulfur content, this process contributes to reducing harmful emissions from vehicles and industrial processes. As governments worldwide impose stricter regulations on fuel quality, the importance of hydrocracking becomes even more pronounced. Refineries that implement this technology can not only comply with regulations but also position themselves as leaders in sustainable energy production. However, the hydrocracking process is not without its challenges. The requirement for high-pressure conditions and the need for a continuous supply of hydrogen can increase operational costs. Additionally, the choice of catalysts is critical, as they can be expensive and may require frequent replacement. Despite these challenges, the benefits of hydrocracking often outweigh the drawbacks, making it a vital component of modern refining operations. In conclusion, hydrocracking is an essential process in the petroleum refining industry that allows for the efficient conversion of heavy crude oil into lighter, more valuable products. Its ability to produce cleaner fuels aligns with the global push for sustainability and reduced environmental impact. As technology advances and the demand for cleaner energy sources grows, the role of hydrocracking will undoubtedly become even more significant in shaping the future of energy production. Understanding this process is crucial for anyone involved in the energy sector, as it represents a key innovation in the quest for efficient and sustainable fuel production.

加氢裂化是石油精炼领域中一种重要的工艺，旨在将原油转化为有价值的产品。加氢裂化是一个催化过程，它涉及在氢气的存在下，将大型碳氢分子裂解为较小的分子。这种方法不仅改善了所生产燃料的质量，还提高了精炼过程的整体效率。 加氢裂化的重要性在于它能够从重质原油中生产轻质碳氢化合物，如汽油和柴油，这些在当今能源市场上需求量很大。随着全球能源消费的持续增长，炼油厂面临着在最大化产出与最小化环境影响之间的挑战。加氢裂化通过允许炼油厂处理以前被认为不太理想的重质油来应对这一挑战。通过将这些重质油转化为更轻、更有价值的产品，炼油厂可以满足对更清洁燃料日益增长的需求。 加氢裂化过程通常分为两个主要阶段：第一阶段涉及重质原料的裂解，而第二阶段则集中在对生成产品进行氢饱和。在加氢裂化过程中，催化剂的使用至关重要，因为它们促进了裂解大分子所需的化学反应。常用的催化剂包括铂或钯等贵金属，它们有助于提高反应速率和整体产量。 此外，加氢裂化还带来了若干环境效益。通过生产含硫量更低的清洁燃料，该过程有助于减少来自车辆和工业过程的有害排放。随着各国政府对燃料质量的监管日益严格，加氢裂化的重要性愈发明显。实施这一技术的炼油厂不仅可以遵守法规，还可以在可持续能源生产方面树立领导地位。 然而，加氢裂化过程并非没有挑战。高压条件的要求以及对氢气的持续供应需求可能会增加运营成本。此外，催化剂的选择至关重要，因为它们可能昂贵且可能需要频繁更换。尽管存在这些挑战，加氢裂化的好处往往超过缺点，使其成为现代炼油操作中不可或缺的组成部分。 总之，加氢裂化是石油精炼工业中一种重要的工艺，可以有效地将重质原油转化为更轻、更有价值的产品。其生产更清洁燃料的能力与全球对可持续性和减少环境影响的推动相一致。随着技术的进步和对更清洁能源来源的需求增长，加氢裂化在塑造未来能源生产中的作用无疑将变得更加重要。了解这一过程对于任何参与能源行业的人来说都是至关重要的，因为它代表了实现高效和可持续燃料生产的关键创新。