Company Filing History:
Years Active: 1993-1997
Title: Thomas D McEwan: Innovator in Metal Recovery and Ferric Sulfate Production
Introduction
Thomas D McEwan is a notable inventor based in Victoria, Canada. He has made significant contributions to the field of chemical processes, particularly in the production of ferric sulfate and metal recovery. With a total of 2 patents to his name, McEwan's work has implications for various industries, including mining and metallurgy.
Latest Patents
McEwan's latest patents include a process for producing ferric sulfate through a nitric acid treatment of ferric ammonium sulfate or ammonium jarosite. This innovative method allows for the efficient recovery of ferric sulfate by treating a sulfuric acid leaching solution with ammonium nitrate, followed by the addition of dilute nitric acid at elevated temperatures. Additionally, he has developed a process for the recovery of metal from copper feedstock, showcasing his expertise in metal extraction techniques.
Career Highlights
Throughout his career, McEwan has worked with various companies, including Envirochip Technologies Ltd. and Environchip Technologies, Inc. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in environmental technology and resource recovery.
Collaborations
McEwan has collaborated with notable professionals in his field, including Robert N O'Brien and William E Pfaffenberger. These partnerships have likely enriched his work and expanded the impact of his inventions.
Conclusion
Thomas D McEwan is a distinguished inventor whose work in ferric sulfate production and metal recovery has made a significant impact in the field of chemical engineering. His innovative processes continue to influence industries focused on resource recovery and environmental sustainability.