Valentina Y Shefter

Title: Valentina Y Shefter: Innovator in Chemical Processing

Introduction

Valentina Y Shefter is a prominent inventor based in St. Petersburg, Russia. She has made significant contributions to the field of chemical processing, particularly in the manufacture of phenol and bisphenol-A. Her innovative approach has led to advancements in the efficiency of these processes.

Latest Patents

Valentina holds a patent for the "Co-cracking of BPA and phenol process tars." This invention relates to the processing of a mixture of tars produced during the manufacture of phenol and bisphenol. The patented process involves heating a bottom liquid from a bisphenol-A process together with phenol tar from a cumene-to-phenol process in a distillation column-type thermal cracking reactor at temperatures ranging from 290°C to 360°C. The mass ratio used in this process is 1:(1-10), with the feed entering the middle of the column and valuable products being removed as overhead. This innovative method enhances the efficiency of chemical processing in the industry.

Career Highlights

Valentina is associated with General Electric Company, where she applies her expertise in chemical engineering and innovation. Her work has been instrumental in developing new methods that improve production processes and reduce waste.

Collaborations

Throughout her career, Valentina has collaborated with notable professionals in her field, including Boris I Gorovits and Andrey Vladimirovich Zinenkov. These collaborations have contributed to her success and the advancement of her inventions.

Conclusion

Valentina Y Shefter is a remarkable inventor whose work in chemical processing has made a significant impact on the industry. Her innovative patent demonstrates her commitment to improving manufacturing processes and her contributions to the field will continue to influence future developments.