Chang-Kuei Lee

Title: The Innovative Journey of Chang-Kuei Lee

Introduction

Chang-Kuei Lee, an esteemed inventor based in Sewell, NJ, has made significant contributions to the field of hydroprocessing and distillate upgrading processes. With a total of four patents to his name, Lee's inventions reflect a deep understanding of refinery operations and catalyst technology, showcasing his innovative spirit and dedication to improving industrial processes.

Latest Patents

Among Chang-Kuei Lee's latest patents is an advanced distillate upgrading process. This innovation involves a unique method for upgrading distillate feeds through the use of a supported hydroprocessing catalyst in a fixed bed reactor. Notably, his process allows for the simultaneous production of low aromatic diesel and jet fuel using the same catalyst batch, capable of operating effectively for approximately one year before requiring a change. Lee's approach notably enhances catalyst activity by allowing it to regain efficiency through specific temperature adjustments when switching feeds. Furthermore, he has introduced the concept of a dual catalyst system where a hydroprocessing catalyst with base metals works in conjunction with noble metal catalysts, extending the life of the catalyst batches to nearly two years.

Another remarkable patent by Lee relates to upgrading solvent extracts through a process involving double decantation. This technique, using a solvent extract from furfural, allows for the creation of pseudo raffinate and pseudo extract, optimizing refinery operations. The pseudo extract serves as a hydrogen-donor, while the pseudo raffinate can be recycled back for producing additional lube oil, underlining the practicality and applicability of his inventions in real-world scenarios.

Career Highlights

Lee's career includes significant associations with Mobil Oil Corporation and Occidental Research Corporation, where he honed his expertise in hydroprocessing and catalyst technology. His tenure at these esteemed companies allowed him to collaborate with other notable professionals in the field, enhancing his knowledge and practical skills through hands-on experience.

Collaborations

Throughout his career, Chang-Kuei Lee has collaborated with skilled colleagues, including Tai-Sheng Chou and Stephen Harold Brown. These partnerships have fostered a collaborative environment that has further propelled his innovative ideas into successful patentable technologies.

Conclusion

Chang-Kuei Lee's inventive contributions, particularly in the realm of distillate upgrading processes and hydroprocessing catalysts, mark him as a noteworthy figure in the world of innovation. His dedication to improving refinery processes and extending catalyst life showcases the potential for continuous advancements in the chemical engineering sector. As he continues to develop inventive solutions, Lee's work will undoubtedly leave a lasting impact on the industry.