Wingwah Lau

Title: **Innovations of Wingwah Lau: Pioneering Filtration and Isocyanate Production**

Introduction

Wingwah Lau, an innovative inventor based in Houston, TX, has made significant contributions to the field of chemical engineering, particularly in filtration technology and isocyanate production. With a total of two patents to his name, Lau's inventive spirit is reflected in his latest advancements that enhance process efficiency and safety in industrial applications.

Latest Patents

Wingwah Lau's most recent patents showcase his expertise in creating groundbreaking technologies.

1. **Process for the Continual Inline Filtration of a Process Stream** - This invention presents a state-of-the-art filtration system that addresses the limitations of traditional designs, which required personnel to manually open systems for cleaning or changing strainers during operation. Lau's innovative design incorporates dual strainers, a nitrogen purging system, and a solvent flush system, ensuring that the process stream is filtered completely internally. By maintaining a closed system throughout production, this invention minimizes safety hazards and reduces labor requirements.

2. **Method for Producing Two Isocyanates** - Lau developed a continuous process for producing two isocyanates by reacting a first amine with phosgene in a stoichiometric excess in the gas phase. This innovative method not only produces a first isocyanate but also allows for the recovery and recirculation of excess phosgene to react with a second amine. The approach utilizes amine streams with varying concentrations of hydrogen chloride, optimizing the reaction efficiency.

Career Highlights

Throughout his career, Wingwah Lau has played a significant role in leading projects within notable companies. His experience includes working at Covestro LLC and Covestro Polymers (China) Co., Ltd., where he applied his innovative mindset to develop advanced chemical processes. His work has contributed to the improvement of operational efficiency and the implementation of safer industrial practices.

Collaborations

Lau has collaborated with esteemed colleagues, including William A. Hassell and Kevin M. Kelleher. These collaborations have fostered an environment of innovation, allowing for the sharing of ideas and enhancing the development of effective solutions within the chemical engineering sector.

Conclusion

Wingwah Lau's dedication to innovation in the fields of filtration and isocyanate production highlights the impact that determined inventors can have on industrial processes. His patents not only address current challenges but also pave the way for future advancements in chemical engineering. Through his career and collaborations, Lau stands as a prominent figure in engineering innovation, demonstrating the importance of continual improvement and creative problem-solving.