Cheng Liu

Title: Cheng Liu - Innovator in Ethylene Recovery Technology

Introduction

Cheng Liu is a notable inventor based in Tianjin, China. He has made significant contributions to the field of chemical engineering, particularly in the production of vinyl acetate. His innovative approach to ethylene recovery has garnered attention in the industry.

Latest Patents

Cheng Liu holds a patent for a method and device for recovering ethylene during the process of producing vinyl acetate. The patent describes a double solvent absorption method that utilizes an absorbent solution and deionized water. This method involves introducing an outlet stream as an absorbent solution from the upper section of the feeding plate in an acetic acid tower during the rectification stage of vinyl acetate production. The refined gas is then charged from the tower bottom of the ethylene recovery tower to contact the absorbent solution in a counter-current manner. The process effectively absorbs and removes acetic acid, while discharging residual inert gases such as nitrogen.

Career Highlights

Cheng Liu is affiliated with Tianjin University, where he continues to advance his research and development efforts. His work has not only contributed to the academic community but has also had practical applications in the chemical industry.

Collaborations

Cheng Liu has collaborated with esteemed colleagues such as Minhua Zhang and Xiuqin Dong. Their combined expertise has further enhanced the research and development of innovative solutions in their field.

Conclusion

Cheng Liu's contributions to ethylene recovery technology exemplify the importance of innovation in chemical engineering. His patent reflects a significant advancement in the production of vinyl acetate, showcasing his commitment to improving industrial processes.