Company Filing History:
2 out of 195 
1 out of 43 Years Active: 2012-2021
Title: Hoo-In Lee: Innovator in Precious Metal Recovery and Lithium Ion Adsorption
Introduction
Hoo-In Lee is a notable inventor based in Daejeon, South Korea. He has made significant contributions to the fields of precious metal recovery and lithium ion adsorption. With a total of 3 patents to his name, Lee's work showcases innovative methods that address critical environmental and resource management challenges.
Latest Patents
One of Hoo-In Lee's latest patents is a method for leaching precious metals contained in waste denitrification catalyst using a pressure leaching process. This invention involves forming a mixture by combining a waste denitrification catalyst with a sodium salt solution. The process then leaches vanadium and tungsten from the mixture by utilizing a sealed pressurized reactor, which is heated and stirred to enhance the extraction efficiency.
Another significant patent by Lee is an apparatus and method for adsorbing and desorbing lithium ions using a counter current decantation (CCD) process. This method effectively adsorbs lithium ions from brine, achieving an adsorption rate of 65±5% and a desorption rate of 95±3%. The process involves supplying brine into multiple adsorption reactors, where lithium ions are adsorbed onto an adsorbent. The brine and adsorbent flow sequentially, ensuring optimal interaction and efficiency.
Career Highlights
Hoo-In Lee has worked at the Korea Institute of Geoscience and Mineral Resources, where he has contributed to various research projects focused on geoscience and mineral resources. His expertise in these areas has allowed him to develop innovative solutions that have practical applications in industry.
Collaborations
Throughout his career, Lee has collaborated with notable colleagues, including Jin-Young Lee and Joon-Soo Kim. These collaborations have fostered a productive environment for innovation and research.
Conclusion
Hoo-In Lee's contributions to the fields of precious metal recovery and lithium ion adsorption highlight his role as an influential inventor. His innovative patents reflect a commitment to addressing environmental challenges and advancing resource management technologies.