Yongming Chai

Title: Yongming Chai: Innovator in Waste Lubricating Oil Recycling

Introduction

Yongming Chai is a notable 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

Yongming Chai'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 describes a purification method that also begins with the removal of impurities and employs a hydrogen recycle compressor for cyclic use, ensuring a high conversion rate and good quality of the final product.

Career Highlights

Yongming Chai is affiliated with the China University of Petroleum, where he continues to advance research in the field of lubricating oil recycling. His innovative approaches have garnered attention for their simplicity and effectiveness, contributing to the sustainable management of waste lubricating oil.

Collaborations

Yongming Chai has collaborated with colleagues such as Bin Liu and Chenguang Liu, working together to enhance the research and development of oil recycling technologies.

Conclusion

Yongming Chai's contributions to the field of waste lubricating oil recycling demonstrate his commitment to innovation and sustainability. His patents reflect a deep understanding of the challenges in oil recycling and offer practical solutions that benefit both the industry and the environment.