| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Rare Metal Extraction & Processing
|
| Presentation Title |
Recovery of Manganese Sulfate from Acidic Solutions Using Eutectic Freeze Crystallization |
| Author(s) |
Mohammadreza Akbarkermani, Michael Svärd, Kerstin Forsberg |
| On-Site Speaker (Planned) |
Mohammadreza Akbarkermani |
| Abstract Scope |
Manganese is a crucial metal for various industrial applications, particularly in the production of batteries. One of the most commonly used cathode materials, NMC, in lithium-ion batteries (LIBs), contains manganese. For this reason, there have been notable efforts to recycle batteries to recover valuable metals including manganese, to minimize waste, and reduce the environmental footprint of the batteries. Eutectic freeze crystallization (EFC) is a technique employed to recover metal salts from aqueous solutions. EFC can provide benefits over traditional methods like evaporative crystallization, such as lower energy consumption and decreased corrosion.
This study investigates the recovery of manganese as manganese sulfate from diluted sulfuric acid solutions using EFC. Additionally, at increased temperatures, manganese sulfate heptahydrate solids produced by EFC transform into a pentahydrate and subsequently into a monohydrate phase. The experimentally observed transition temperatures were compared with those estimated by the OLI Stream Analyzer software. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Hydrometallurgy, Sustainability, Phase Transformations |