Duanfang Dai

Title: Innovations of Duanfang Dai in Cadaverine Purification

Introduction

Duanfang Dai is a notable inventor based in Shanghai, China. He has made significant contributions to the field of chemical engineering, particularly in the purification of cadaverine. With a total of two patents to his name, his work has implications for industrial production processes.

Latest Patents

Duanfang Dai's latest patents focus on innovative methods for the purification of cadaverine. One patent describes a method for purifying cadaverine from an aqueous composition containing involatile impurities. This method involves the use of high boiling point solvents during the evaporation or distillation process. The invention allows for cadaverine to be evaporated or distilled at lower temperatures and for shorter durations, which minimizes decomposition and enhances recovery rates. The second patent outlines a method for reducing salt content in an aqueous cadaverine salt composition by adjusting the pH to create a solid composition that can be removed, resulting in a purer aqueous cadaverine composition.

Career Highlights

Duanfang Dai has worked with prominent companies such as Cathay R&D Center Co., Ltd and Cathay Industrial Biotech Ltd. His experience in these organizations has contributed to his expertise in chemical processes and innovations in purification techniques.

Collaborations

Duanfang Dai has collaborated with notable colleagues, including Xiucai Liu and Charlie Liu. These partnerships have likely fostered a creative environment for developing new ideas and refining existing technologies.

Conclusion

Duanfang Dai's contributions to the field of cadaverine purification demonstrate his innovative spirit and commitment to advancing industrial processes. His patents reflect a deep understanding of chemical engineering principles and a dedication to improving production efficiency.