Yanjun Chen

Title: Yanjun Chen: Innovator in Catalyst Technology

Introduction

Yanjun Chen is a notable inventor based in Shandong, China. He has made significant contributions to the field of chemical engineering, particularly in the development of catalysts for the synthesis of dimethyl carbonate.

Latest Patents

Yanjun Chen holds a patent for a catalyst designed for the synthesis of dimethyl carbonate from urea and methanol. The patent describes a catalyst composition that includes an active component ranging from 20 to 50 wt % and a carrier from 80 to 50 wt %. The catalyst is prepared using an equal-volume spraying and impregnating method. The synthesis process can be conducted in a catalytic rectification reactor, involving the dissolution of urea in methanol and feeding the solution counter-currently into the reaction zone. The method operates under specific conditions, including a reaction temperature of 120°C to 250°C and a reaction pressure of 0.1 MPa to 5 MPa. This innovative catalyst enhances the yield of dimethyl carbonate and improves the conversion of urea.

Career Highlights

Yanjun Chen has worked with esteemed organizations such as the Chinese Academy of Sciences and Feicheng Acid Chemicals Co., Ltd. His experience in these institutions has contributed to his expertise in catalyst development and chemical processes.

Collaborations

Yanjun Chen has collaborated with notable colleagues, including Yuhan Sun and Wei Wei, who have contributed to his research and development efforts in the field.

Conclusion

Yanjun Chen's work in catalyst technology represents a significant advancement in the synthesis of dimethyl carbonate, showcasing his innovative approach and dedication to chemical engineering. His contributions continue to influence the industry and pave the way for future developments.