Company Filing History:
4 out of 35 
1 out of 1 Years Active: 1991-2002
Title: Innovations in Gold Recovery: The Contributions of Kenneth G Thomas
Introduction
Kenneth G Thomas is a notable inventor based in Mississauga, Canada, recognized for his significant contributions to the field of gold recovery. With a total of five patents to his name, Thomas has developed innovative processes that enhance the efficiency of extracting gold from various sources.
Latest Patents
One of his latest patents is a process for recovering gold from thiosulfate leach solutions and slurries using ion exchange resin. This method involves loading gold into an ion exchange resin, followed by elution with polythionate ions to recover the gold. The resin can be regenerated with sulfide or sulfite, and gold can be recovered from the eluate through precipitation with sulfide ions, cementation, or electrowinning. Additionally, Thomas has patented a process for manufacturing polythionate ion solutions suitable for eluting gold from ion exchange resins. Another significant patent focuses on gold recovery from refractory carbonaceous ores by pressure oxidation. In this process, gold is leached from an oxidized ore slurry using a thiosulfate salt lixiviant and copper catalyst, with subsequent loading of gold and copper onto an ion exchange resin.
Career Highlights
Throughout his career, Kenneth G Thomas has worked with prominent companies in the mining industry, including Barrick Gold Corporation and American Barrick Resources Corporation, both based in Toronto. His work has contributed to advancements in gold recovery techniques, making him a valuable asset in the field.
Collaborations
Thomas has collaborated with notable professionals in his field, including Christopher Andrew Fleming and Herman J Pieterse. These collaborations have further enriched his work and contributed to the development of innovative solutions in gold recovery.
Conclusion
Kenneth G Thomas's contributions to gold recovery through his innovative patents and collaborations have made a significant impact in the mining industry. His work continues to influence advancements in the extraction of precious metals.