Location History:
- Changxing, CN (2017)
- Beijing, CN (2018)
Company Filing History:
2 out of 2 
2 out of 88 
1 out of 1 Years Active: 2017-2025
Title: Yanzhi Sun: Innovator in Sodium and Lead Recovery Technologies
Introduction
Yanzhi Sun is a prominent inventor based in Beijing, China. He has made significant contributions to the field of chemical engineering, particularly in the recovery of sodium and lead from industrial waste. With a total of 4 patents, his work focuses on developing efficient and safe methods for processing materials that are often considered hazardous.
Latest Patents
One of Yanzhi Sun's latest patents is a "Method and apparatus for sodium slag recovery." This innovative approach addresses the preparation of high purity sodium and the safe treatment of sodium calcium slag. The method involves a gravity separation process, controllable combustion, and alkaline liquor leaching. The steps include subjecting liquid sodium slag to gravity stratification, roasting high calcium content sodium slag, and leaching the roasting slag to obtain sodium hydroxide and calcium hydroxide. This method is notable for its high efficiency in separating sodium and calcium, as well as its safe and continuous production process.
Another significant patent is the "Method for recovering lead oxide from waste lead paste." This method outlines a process for recovering lead oxide from pre-desalted lead paste using a complexing agent solution. The process achieves a recovery rate of lead oxide of 99% or more, showcasing its effectiveness in recycling valuable materials from waste.
Career Highlights
Yanzhi Sun has worked with notable organizations such as Chilwee Power Co. Ltd and Beijing University of Chemical Technology. His experience in these institutions has allowed him to refine his expertise in chemical processes and waste recovery technologies.
Collaborations
Throughout his career, Yanzhi Sun has collaborated with esteemed colleagues, including Junqing Pan and Yinjian Niu. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Yanzhi Sun's innovative work in sodium and lead recovery technologies demonstrates his commitment to advancing chemical engineering practices. His patents not only provide efficient solutions for waste management but also contribute to the sustainable use of resources.