Lei Xu

Title: Lei Xu: Innovator in Fluorination Processes

Introduction

Lei Xu is a notable inventor based in Shaanxi, China, recognized for his contributions to the field of chemical engineering, particularly in the preparation processes of fluorinated compounds. With a total of three patents to his name, he has made significant advancements in environmentally friendly chemical processes.

Latest Patents

Lei Xu's latest patents include innovative methods for the preparation of HFO-1234ze and HFC-245fa. The first patent discloses a preparation process for 1,3,3,3-tetrafluoropropene, which involves loading two fluorination catalysts into the same reactor while controlling the temperature in each section. This method is characterized by moderate reaction conditions, stable catalyst activity, and a simplified process. The second patent outlines a co-production preparation method for HFO-1234ze and HFC-245fa, utilizing 1,1,1,3,3-pentachloropropane (HCC-240fa) as a raw material. This two-stage gas phase fluorination reaction allows for the simultaneous production of both compounds, minimizing the risk of polymerization or carbonization during the reaction, making it suitable for industrial applications.

Career Highlights

Throughout his career, Lei Xu has worked with prominent companies such as Sinochem Modern Environmental Protection Chemicals (Xi'an) Co., Ltd. and Sinochem Lantian Co., Ltd. His work in these organizations has contributed to the development of sustainable chemical processes and the advancement of environmental protection technologies.

Collaborations

Lei Xu has collaborated with notable colleagues, including Gang Yang and Huie Yang, who have contributed to his research and development efforts in the field of chemical engineering.

Conclusion

In summary, Lei Xu is a distinguished inventor whose innovative approaches to fluorination processes have the potential to significantly impact the chemical industry. His patents reflect a commitment to developing environmentally friendly solutions that can be industrially promoted.