Company Filing History:
2 out of 196 
2 out of 53 
1 out of 832,912 Years Active: 1993-2001
Title: Zhicheng Shi: A Pioneer in Catalytic Pyrolysis Innovations
Introduction
Zhicheng Shi is a distinguished inventor based in Beijing, China, renowned for his contributions to the field of catalytic pyrolysis. With a total of three patents to his name, Shi has made significant advancements in the development of catalysts for producing essential chemicals like light olefins.
Latest Patents
Zhicheng Shi's latest patents include:
1. **Catalyst for catalytic pyrolysis process for the production of light olefins and the preparation thereof** – This innovative catalyst comprises 10 to 70 wt % clay, 5 to 85 wt % inorganic oxides, and 1 to 50 wt % zeolite. The zeolite is a specific mixture that includes 0 to 25 wt % of Y-type zeolite and 75 to 100 wt % of high silica zeolite with phosphorus and aluminum, magnesium, or calcium components. The catalyst demonstrates exceptional activity stability and high yields of light olefins, particularly for C₄, and can achieve similar yields to steam thermal cracking at lower temperatures.
2. **Pentasil-type molecular sieve containing composition and its preparation** – This patent outlines a composition applicable in catalytic cracking reactions aimed at producing ethylene and propylene. The composition consists of a pentasil-type molecular sieve with a SiO₂/Al₂O₃ molar ratio between 15 and 60, activated and modified using phosphorus and various metals. When utilized as an active component in cracking catalysts, this molecular sieve achieves an ethylene yield above 18% and a total ethylene and propylene yield exceeding 40%.
Career Highlights
Zhicheng Shi has worked with prominent organizations, including the Research Institute of Petroleum Processing and Sinopec, as well as China Petrochemical Corporation. His career has been marked by a focus on innovative research that enhances the effectiveness of catalytic processes in the petroleum industry.
Collaborations
Throughout his career, Zhicheng Shi has collaborated with notable colleagues such as Fengmei Zhang and Xingtian Shu. These partnerships have enriched his research and development efforts, allowing him to explore new avenues for improving catalytic processes.
Conclusion
Zhicheng Shi's innovations in catalytic pyrolysis and his significant patent contributions reflect his status as a leading figure in his field. His work not only showcases his dedication to advancing chemical engineering but also highlights the ongoing importance of research and innovation in the petroleum and chemical industries.