In the adipic acid and caprolactam industries, deep desulfurization catalysts have become essential products to avoid toxic sulfides in benzene hydrogenation catalysts.
Advanced Institute of TechnologyThis article will focus on introducing a desulfurization catalyst with high precious metal loading and large specific surface area, and explore its applications and advantages in the industry.
Analyzing the characteristics of high stack ratio desulfurization catalysts
1. Interpretation of catalyst specifications
The high stack ratio desulfurization catalyst is supported on alumina with a noble metal (Pd/Ru/Pt) loading of 0.98-1.05%. At the same time, its specific surface area reaches 360-380m2/g, giving it a larger contact area and increasing reaction efficiency. In addition, its bulk density is 0.69-0.72g/cm3, which makes it exhibit good stability in catalytic reactions.
2. The function of desulfurizer
High stack ratio desulfurization catalysts are mainly used for deep removal of sulfides such as thiols, thioethers, and thiophenes in benzene to avoid poisoning of the benzene hydrogenation catalyst in subsequent processes. By reacting with sulfides, desulfurizers can efficiently convert harmful substances into non-toxic and harmless substances, ensuring the safe operation of the process.
Application of high stack ratio desulfurization catalyst in the adipic acid industry
1. Improve production efficiency
In the production process of adipic acid, benzene is an important starting material. However, benzene often contains sulfides such as thiols, thioethers, and thiophenes, which have toxic effects on subsequent catalysts. The use of high stack ratio desulfurization catalysts can effectively remove sulfides, purify the quality of benzene, improve the stability and activity of subsequent hydrogenation catalysts, and thus enhance the production efficiency of adipic acid.
2. Reduce energy consumption costs
Traditional desulfurization methods typically require reactions under high temperature and pressure conditions, consuming a significant amount of energy. By using high stack ratio desulfurization catalysts, due to their larger specific surface area and higher activity, reactions can be carried out under lower temperature and pressure conditions, thereby reducing energy consumption costs and improving the economic benefits of the process.
1. Improve product quality
The presence of sulfides in the production process of caprolactam can lead to a decrease in product quality. The use of high stack ratio desulfurization catalysts can effectively remove sulfides, improve the purity and quality of caprolactam, and enhance the added value of the product.
2. Enhance process stability
The catalytic reaction of caprolactam requires high stability of the catalyst, while high stack ratio desulfurization catalysts have the characteristics of high stack density and carrier stability, which can maintain better activity and stability during the catalytic reaction process, and improve the continuity and stability of the production line.
Summary:
High stack ratio desulfurization catalystAs a desulfurizer with high loading capacity and high specific surface area, it is widely used in the adipic acid and caprolactam industries. It can effectively remove sulfides, improve product quality, enhance process stability, and reduce energy consumption costs, bringing new opportunities and challenges to the development of the industry. With the continuous advancement of technology, it is believed that high stack ratio desulfurization catalysts will have broader application prospects and market demand in the future.
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