Yichuan Li

Title: Yichuan Li: Innovator in Waste Lubricating Oil Recycling

Introduction

Yichuan Li is a prominent inventor based in Qingdao, China. He has made significant contributions to the field of waste lubricating oil recycling, holding 2 patents that focus on innovative methods for hydrotreating and purifying waste lubricating oil. His work aims to enhance the efficiency and quality of oil recycling processes.

Latest Patents

Yichuan Li's latest patents include a "Method for hydrotreating and recycling waste lubricating oil" and a "Method for pre-hydrotreating and purifying waste lubricating oil." The first patent outlines a two-step process that involves removing mechanical impurities from waste lubricating oil, followed by flash distillation to separate free water and light hydrocarbons. This method utilizes a slurry bed reactor for pre-hydrotreatment and results in high-quality naphtha, diesel oil, and lubricating base oil. The second patent focuses on a purification method that also emphasizes the removal of impurities and the effective use of an oil-soluble catalyst, ensuring a high oil liquid yield and good quality.

Career Highlights

Yichuan Li is affiliated with the China University of Petroleum, where he conducts research and develops innovative solutions for waste oil recycling. His work has garnered attention for its practical applications and environmental benefits.

Collaborations

Yichuan Li collaborates with notable colleagues such as Bin Liu and Yongming Chai, contributing to advancements in the field of lubricating oil recycling.

Conclusion

Yichuan Li's innovative methods for recycling waste lubricating oil demonstrate his commitment to improving environmental sustainability. His patents reflect a significant step forward in the efficient processing of waste materials, contributing to a cleaner future.