Kohur Nagaraja Subramanian

Title: Kohur Nagaraja Subramanian: Innovator in Hydrometallurgical Processes

Introduction

Kohur Nagaraja Subramanian is a notable inventor based in Mississauga, Canada. She has made significant contributions to the field of hydrometallurgy, particularly in the recovery of valuable metals from various sources. With a total of 7 patents to her name, her work has had a substantial impact on metal extraction processes.

Latest Patents

Among her latest patents is a process titled "Recovery of Selenium," which focuses on treating copper refinery anode slimes containing selenium, lead, and precious metals. This innovative method allows for the production of a selenium product with a purity exceeding 99.7%, while the final residue is suitable for smelting to create anodes for silver refining. Another significant patent is "Reduction Leaching of Raw Sea Nodules with Sulfides," which provides a method for extracting metal values from sea nodules. This process selectively extracts nickel, cobalt, and copper by leaching raw sea nodules in an aqueous ammoniacal medium, utilizing a reducing agent for tetravalent manganese and carbonate to precipitate the reduced manganese as manganous carbonate.

Career Highlights

Kohur has worked with prominent companies in the mining and metallurgy sectors, including the International Nickel Company, Inc. and Noranda Mines Limited. Her experience in these organizations has allowed her to develop and refine her innovative processes.

Collaborations

Throughout her career, Kohur has collaborated with esteemed colleagues such as Gerald Vernon Glaum and Robert W. Stanley. These partnerships have contributed to her success and the advancement of her research.

Conclusion

Kohur Nagaraja Subramanian is a pioneering inventor whose work in hydrometallurgical processes has led to significant advancements in metal recovery. Her innovative patents and collaborations highlight her contributions to the field, making her a respected figure in the industry.