Zhengguo Tan

Title: The Innovative Contributions of Zhengguo Tan

Introduction

Zhengguo Tan is a prominent inventor based in Beijing, China. He has made significant contributions to the field of molecular sieves and catalytic cracking catalysts. With a total of 8 patents to his name, his work has had a substantial impact on the industry.

Latest Patents

One of Zhengguo Tan's latest patents is a method for modifying molecular sieves and a catalytic cracking catalyst containing the molecular sieve. This invention involves a detailed process of mixing a solution containing an ion of a Group MB metal, an organic complexing agent, and a precipitation agent to form a suspension. The resulting precipitant is then combined with a molecular sieve slurry, followed by spray drying and optional calcination to produce a modified molecular sieve. The catalyst developed from this method demonstrates excellent activity stability and resistance to heavy metal contamination.

Another notable patent is for a phosphorus-containing ultrastable Y-type rare earth molecular sieve and its preparation method. This method utilizes NaY molecular sieve as a raw material and involves a series of exchanges and calcination steps to create a molecular sieve with specific properties. The final product contains rare earth oxide and phosphorus, enhancing its effectiveness in catalytic cracking applications.

Career Highlights

Zhengguo Tan is currently employed at PetroChina Company Limited, where he continues to innovate and develop new technologies. His expertise in molecular sieve modification and catalytic processes has positioned him as a key figure in his field.

Collaborations

Zhengguo Tan has collaborated with notable colleagues such as Haitao Zhang and Hongchang Duan. Their combined efforts have contributed to advancements in the development of catalysts and molecular sieves.

Conclusion

Zhengguo Tan's innovative work in the field of molecular sieves and catalytic cracking catalysts showcases his dedication to advancing technology. His patents reflect a commitment to improving industrial processes and enhancing product performance.