Norman C Nissen

Title: The Innovative Contributions of Norman C. Nissen

Introduction

Norman C. Nissen is a notable inventor based in Oakville, CA. He has made significant contributions to the field of hydrometallurgy, particularly in the processing of precious metals. With a total of 6 patents to his name, Nissen's work has had a lasting impact on metal recovery processes.

Latest Patents

Nissen's latest patents include innovative methods for hydrometallurgical processing of precious metal-containing materials. One of his key inventions involves a hydrometallurgical process designed to separate heavy metal nuisance elements such as arsenic, antimony, bismuth, tin, and lead from precious metals and/or selenium. This process can be utilized as a step in the overall treatment of refinery residues, such as anode slimes, to recover valuable metal values. Another significant patent focuses on autoclave oxidation leaching of sulfide materials containing copper. This process allows for the selective extraction of nonferrous metals through a single-stage oxidative pressure leach, conducted under relatively mild conditions.

Career Highlights

Throughout his career, Nissen has worked with prominent companies in the industry, including the International Nickel Company, Inc. and Inco Limited. His expertise in hydrometallurgical processes has positioned him as a valuable asset in the field of metal recovery.

Collaborations

Nissen has collaborated with several notable professionals, including John A. Thomas and Kohur N. Subramanian. These collaborations have further enriched his work and contributed to advancements in hydrometallurgical techniques.

Conclusion

Norman C. Nissen's innovative contributions to hydrometallurgy and his extensive patent portfolio highlight his significant role in the field. His work continues to influence the recovery of precious metals and the development of efficient processing methods.