Company Filing History:
3 out of 932 
3 out of 7 
1 out of 1 Years Active: 2020-2025
Title: Ahmad Ghahreman: Innovator in Lithium Recovery and Metal Extraction
Introduction
Ahmad Ghahreman is a notable inventor based in Kingston, Canada, recognized for his contributions to the fields of lithium recovery and metal extraction. With a total of eight patents to his name, he has made significant advancements in processes that enhance the efficiency of resource recovery from various sources.
Latest Patents
Among his latest patents, one focuses on lithium recovery and purification. This patent describes processes for recovering or purifying lithium species from both natural sources, such as mining applications, and synthetic sources, including the recycling of lithium from batteries. The process involves treating a lithium sulfate-comprising aqueous solution with barium salts to form a precipitate of barium sulfate. Additionally, the preparation of a lithium sulfate-containing solution is achieved through treatment with sulfuric acid. Further treatments may be performed to remove sulfate and other metal species, allowing the recovered lithium to be utilized in various applications.
Another significant patent pertains to the leaching of metal sulfides using reagents with thiocarbonyl functional groups. This method involves contacting metal sulfides with an acidic sulfate solution containing ferric sulfate and a thiocarbonyl reagent. The concentration of the reagent is sufficient to enhance the rate of metal ion extraction, resulting in a pregnant solution rich in metal ions.
Career Highlights
Ahmad has worked with esteemed organizations, including the University of British Columbia and Jetti Resources, LLC. His experience in these institutions has contributed to his expertise in innovative recovery processes.
Collaborations
Throughout his career, Ahmad has collaborated with notable colleagues, including David Dixon and Zihe Ren. Their combined efforts have furthered advancements in the field of resource recovery.
Conclusion
Ahmad Ghahreman's innovative work in lithium recovery and metal extraction showcases his commitment to advancing technology in resource management. His patents reflect a deep understanding of chemical processes and their applications in sustainable practices.