Jack S Stafiej

Title: Jack S Stafiej: Innovator in Tellurium Extraction and Metal Recovery

Introduction

Jack S Stafiej is a notable inventor based in Dorval, Canada. He has made significant contributions to the field of metallurgy, particularly in the extraction of valuable metals from complex ores. With a total of 3 patents to his name, Stafiej's work has implications for both environmental sustainability and resource recovery.

Latest Patents

Stafiej's latest patents include innovative methods for the extraction of tellurium and the selective removal of bismuth and antimony from copper electrolytes. The first patent focuses on a method for the substantially selective extraction of tellurium from copper electrorefining slimes. This method involves maintaining a specific molar ratio of silver to selenium and sulfur during leaching in an autoclave, which allows for the formation of insoluble compounds that can be filtered out. The second patent addresses the selective removal of antimony and bismuth from acidic solutions by utilizing oxidizing conditions to precipitate these metals, followed by a reduction process before returning the solution to the electrorefining cell.

Career Highlights

Jack S Stafiej is currently employed at Noranda Inc., a company known for its expertise in metal production and processing. His work at Noranda has allowed him to apply his innovative ideas in a practical setting, contributing to advancements in the field of metallurgy.

Collaborations

Stafiej has collaborated with notable colleagues such as Viken P Baboudjian and Pierre L Claessens. These collaborations have likely enriched his research and development efforts, leading to the successful patents he holds today.

Conclusion

Jack S Stafiej is a prominent figure in the field of metallurgy, with a focus on innovative extraction methods that enhance resource recovery. His contributions are paving the way for more efficient and sustainable practices in metal processing.