Zheng Tan

Title: Zheng Tan: Innovator in Ozone Bleaching Technology

Introduction

Zheng Tan is a notable inventor based in Vancouver, Canada. He has made significant contributions to the field of chemical engineering, particularly in the area of bleaching cellulosic pulps. His innovative approach utilizes ozone in a unique method that enhances the efficiency of the bleaching process.

Latest Patents

Zheng Tan holds a patent for a method of bleaching cellulosic pulps with ozone and a protective amount of additives. The patent describes a process where cellulosic pulps are bleached with ozone in an aqueous medium containing an additive, which is selected from a group consisting of N-alkylated ureas, N-alkylated lactams, and N-alkylated amides. The method operates under conventional ozone bleaching conditions, preferably at high consistency and low temperatures, below 5 degrees Celsius. This innovative technique aims to improve the bleaching process while minimizing environmental impact.

Career Highlights

Zheng Tan is associated with Macmillan Bloedel Limited, where he has applied his expertise in chemical processes. His work has contributed to advancements in sustainable practices within the pulp and paper industry. With a focus on innovation, he continues to explore new methods that enhance product quality and reduce environmental footprints.

Collaborations

Zheng Tan collaborates with Marco Solinas, a fellow professional in the field. Together, they work on projects that aim to push the boundaries of current technologies in pulp bleaching and chemical engineering.

Conclusion

Zheng Tan's contributions to the field of ozone bleaching technology highlight his commitment to innovation and sustainability. His patent and ongoing work at Macmillan Bloedel Limited demonstrate the potential for advancements in chemical processes that benefit both industry and the environment.