This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: China University of Geosciences (Wuhan), Maoming Petrochemical Mining Co., Ltd.. Active years: 2011-2018.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Wuhan, CN (2011)
- Hubei, CN (2016 - 2018)
Company Filing History:
3 out of 50 
1 out of 1 Years Active: 2011-2018
Title: Chunjie Yan: Innovator in Rare Earth Recycling and Proppant Technology
Introduction
Chunjie Yan is a notable inventor based in Hubei, China. He has made significant contributions to the fields of rare earth recycling and proppant technology. With a total of 3 patents to his name, Yan's work focuses on innovative methods that address environmental challenges and improve efficiency in the oil and gas industry.
Latest Patents
One of Yan's latest patents is a "System and method for recycling rare earth and ammonia nitrogen from rare earth wastewater." This method involves several steps, including the removal of oil from wastewater, purification, and the recycling of rare earth elements. The process culminates in the treatment of low rare earth wastewater to produce ammonia gas, which is then converted into aqueous ammonia.
Another significant patent is the "Method for preparing ultra-light-weight (ULW) proppant applied on oil and gas wells." This method utilizes a silane coupling agent and organic acid to modify silica fume, resulting in an ultra-light-weight proppant. The proppant has a density comparable to water and demonstrates low crushing rates, making it a cost-effective and environmentally friendly option for the oil and gas industry.
Career Highlights
Chunjie Yan has worked at prestigious institutions, including the China University of Geosciences in Wuhan. His research and innovations have positioned him as a key figure in the development of sustainable technologies in his field.
Collaborations
Throughout his career, Yan has collaborated with notable colleagues, including Luru Jing and Sen Zhou. These partnerships have contributed to the advancement of his research and the successful implementation of his patented technologies.
Conclusion
Chunjie Yan's innovative work in rare earth recycling and proppant technology showcases his commitment to addressing environmental issues while enhancing industrial processes. His contributions are vital for the future of sustainable practices in the oil and gas sector.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile