About this Abstract |
Meeting |
2023 TMS Annual Meeting & Exhibition
|
Symposium
|
New Directions in Mineral Processing, Extractive Metallurgy, Recycling and Waste Minimization: An EPD Symposium in Honor of Patrick R. Taylor
|
Presentation Title |
The Importance of Autoclave and Piping Materials Selection for HPAL and POX Metals Extraction Processes |
Author(s) |
Edgar E. Vidal |
On-Site Speaker (Planned) |
Edgar E. Vidal |
Abstract Scope |
Nickel laterites and refractory gold are amongst many other types of ore bodies that require intensive physical and chemical processing technologies to extract their metallic constituents. Relatively high pressures and temperatures, along with harsh acids are typically required, thus High-Pressure Acid Leaching (HPAL) and Pressure Oxidation Leaching (POX) are commonly used. As important as the process itself, the material selection for the autoclave and the piping is critical. The majority of the times only CAPEX is being considered, while OPEX is something that "will be addressed in the future". In this article, the author will present reasons why it makes more technical and economic sense to consider titanium cladding options, rather than the more traditional refractory-lined autoclaves, and solid titanium pipes. |
Proceedings Inclusion? |
Planned: |
Keywords |
Titanium, Hydrometallurgy, Copper / Nickel / Cobalt |