Location History:
- Torrance, CA (US) (2017 - 2018)
- Daejeon, KR (2018)
Company Filing History:
3 out of 11 
1 out of 8,327 
1 out of 1 Years Active: 2017-2018
Title: Innovations in Water Purification by Keunwon Song
Introduction
Keunwon Song is a notable inventor based in Torrance, California, recognized for his contributions to water purification technologies. With a total of 4 patents, he has developed innovative methods that enhance the efficiency of thin film composite membranes used in reverse osmosis systems.
Latest Patents
One of his latest patents is titled "Methods of enhancing water flux of a TFC membrane using oxidizing and reducing agents." This invention provides a post-formation process for preparing highly permeable thin film composite membranes specifically designed for reverse osmosis applications, particularly in treating brackish water under low energy conditions. The process involves treating a polyamide discrimination layer of a TFC membrane with an oxidizing agent, followed by a reducing agent, resulting in a membrane that exhibits enhanced water flux while maintaining effective salt rejection.
Another significant patent is "Additives for salt rejection enhancement of a membrane." This invention outlines an interfacial polymerization process for creating thin film composite membranes suitable for nanofiltration, forward osmosis, or reverse osmosis. The method includes contacting a porous support membrane with an aqueous phase containing a polyamine, followed by applying an organic phase with a polyfunctional acyl halide. The process incorporates a salt rejection-enhancing additive, which improves the membrane's performance during its formation.
Career Highlights
Keunwon Song has worked with prominent companies in the field, including LG Nanoh2o, Inc. and LG Chem, Ltd. His experience in these organizations has contributed to his expertise in membrane technology and water purification solutions.
Collaborations
Throughout his career, Keunwon has collaborated with notable professionals such as Chongkyu Shin and Jeff Koehler, further enhancing his innovative work in the field of water treatment technologies.
Conclusion
Keunwon Song's innovative patents and career achievements highlight his significant contributions to the field of water purification. His work continues to influence advancements in membrane technology, making a positive impact on water treatment processes.