David Johnsen

Title: David Johnsen: Innovator in Gas Purification Technologies

Introduction

David Johnsen is a notable inventor based in Downers Grove, IL (US). He has made significant contributions to the field of gas purification and adsorption technologies. With a total of 3 patents to his name, Johnsen's work focuses on innovative methods for monitoring and controlling adsorption systems.

Latest Patents

One of Johnsen's latest patents is titled "Indirect real-time monitoring and control of electrical resistively heated adsorbent system." This invention outlines a method for indirectly monitoring and controlling an electrically resistive adsorption system. The process involves conducting adsorption of a predetermined adsorbate while monitoring the electrical resistance of a unified adsorbent element. The breakthrough is predicted based on the indirectly monitored electrical resistance and a previously measured mass loading relationship. This system can operate without direct measurement of temperature or resistance, making it highly efficient.

Another significant patent is the "Gas purification system for liquefaction of dilute gas components." This invention provides systems for the recovery and liquefaction of low boiling point organic and inorganic gases, such as methane and propane. The system utilizes heated activated carbon fiber material to adsorb low boiling point gases during an adsorption cycle. The desorption cycle involves heating the activated carbon fiber to create a concentrated gas stream, which is then actively compressed and cooled to liquefy the gases for collection and reuse.

Career Highlights

David Johnsen is affiliated with the University of Illinois, where he continues to advance research in gas purification technologies. His innovative approaches have the potential to enhance the sustainability and economics of industrial processes.

Collaborations

Johnsen has collaborated with notable colleagues, including Mark J Rood and K James Hay, contributing to the advancement of research in his field.

Conclusion

David Johnsen's work in gas purification and adsorption systems showcases his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving industrial processes and sustainability.