Jianwen Shi

Title: **Jianwen Shi: Innovator in Hydrocracking Catalyst Technology**

Introduction

Jianwen Shi is an esteemed inventor based in Beijing, China, recognized for his significant contributions to hydrocracking catalyst technology. With a strong focus on enhancing industrial processes, he holds two patents that are poised to impact fuel production and refining strategies.

Latest Patents

Jianwen Shi's latest patents include a *distillate hydrocracking catalyst and process for the preparation of it*. This innovative catalyst features a unique composition that incorporates nickel, tungsten, fluorine, zeolite, and alumina. Specifically, the catalyst comprises 0.5-5.0 wt % fluorine, 2.5-6.0 wt % nickel oxide, and 10-38 wt % tungsten oxide, with a catalyst carrier made of 20-90 wt % alumina and 10-90 wt % zeolite. The zeolite used is of mesopore or macropore type, exhibiting an acidity strength value of 1.0-2.0 mmol/g, while the alumina has an acidity strength value ranging from 0.5-0.8 mmol/g. This catalyst demonstrates remarkable desulfurization and denitrogenation activities while offering higher selectivity for middle distillates compared to prior art. Additionally, his patent for the *process of hydrocracking heavy distillate oil under middle pressure* outlines a method that utilizes a hydrofining catalyst paired with a hydrocracking catalyst in a series, achieving a volume conversion rate of up to 80 vol. % to products at 350°C and ensuring a yield greater than 40 wt % for middle distillates.

Career Highlights

Throughout his career, Jianwen Shi has been associated with leading organizations such as China Petrochemical Corporation and the Research Institute of Petroleum Processing, Sinopec. His efforts have played a critical role in advancing petroleum processing techniques and developing innovative solutions for the energy sector.

Collaborations

In his journey as an inventor, Jianwen Shi has worked closely with esteemed colleagues, including Yanping Zhang and Yulin Shi. Their collaborative efforts have contributed to a robust research environment focused on catalysis and refining processes, enhancing the outcomes of their projects.

Conclusion

Jianwen Shi stands out as a prominent inventor in the field of hydrocracking catalysts, with patents that reflect his innovative spirit and deep expertise. His work not only addresses immediate industrial challenges but also sets a foundation for future advancements in fuel production technology. Through his dedication and collaboration, Jianwen Shi continues to influence the landscape of catalytic research and petroleum processing.