Conghua Liu

Title: Inventor Conghua Liu: Innovations in Catalytic Cracking Technology

Introduction

Conghua Liu is a prominent inventor based in Beijing, China, known for his significant contributions to the field of catalytic cracking technology. With three patents to his name, Liu has developed advanced methods that enhance the efficiency and environmental impact of gasoline production processes.

Latest Patents

Liu's latest innovations include two noteworthy patents. The first patent is a preparation method for modified molecular sieve and a modified molecular sieve-containing catalytic cracking catalyst. This inventive process involves mixing molecular sieve slurry with a compound solution containing group IIIB metal ions, organic complexing agents, dispersing agents, and precipitating agents. The result is a mixed slurry that undergoes drying and roasting (or not) to produce a modified molecular sieve. The patent focuses on achieving optimal ratios of group IIIB elements and organic complexing agents to ensure the resulting molecular sieve exhibits excellent activity stability and resistance to heavy metal pollution.

The second patent addresses a catalytic cracking process aimed at reducing the sulfur content in gasoline. This invention features a fluidized bed reactor alongside a heavy oil catalytic cracking riser, which enhances the contact time between oil-gas and catalyst. This leads to further desulfurization, decreased olefin content, and increased octane ratings in gasoline. The process is designed for easy operation and adaptability, achieving significant sulfur reduction and improving light oil yields.

Career Highlights

Conghua Liu is associated with PetroChina Company Limited, where he applies his expertise to further advancements in the energy sector. His work focuses on developing technologies that not only improve product yield but also minimize environmental impact, aligning with global sustainability goals.

Collaborations

Liu collaborates with other experts in his field, including colleagues Shuhong Sun and Wei Ding. Together, they work on innovative solutions within the realm of catalytic cracking, contributing to the development of efficient and cleaner refining processes.

Conclusion

Conghua Liu stands out as a dedicated inventor whose work is critical in addressing the challenges of modern gasoline production. With a commitment to innovation and collaboration, his contributions significantly enhance the effectiveness and sustainability of catalytic cracking technologies in the energy sector.