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Non-aqueous solvent extraction of cobalt and nickel using undiluted ionic liquids in milliflow contacting devices KU Leuven

Jonas Van Olmen, Sofía Riaño Torres, Jinu Joseph John, Koen Binnemans, Tom Van Gerven

Solvent Extraction Process for Refining Cobalt and Nickel from a "Bulk Hydroxide Precipitate" Obtained by Bioleaching of Sulfidic Mine Tailings KU Leuven

Clio Deferm, Lieven Machiels, Koen Binnemans

Refining of Palladium, Platinum, and Rhodium from a Pregnant Leach Solution of Spent Automotive Catalysts by Continuous Counter-Current Solvent Extraction with Ionic Liquids in Mixer-Settlers KU Leuven

Viet Tu Nguyen, Koen Binnemans, Sofía Riaño Torres

Recovery of Lithium from Simulated Nanofiltration-Treated Seawater Desalination Brine Using Solvent Extraction and Selective Precipitation KU Leuven

Stijn Raiguel, Viet Tu Nguyen, Clio Deferm, Sofía Riaño Torres, Koen Binnemans

Conversion of Lithium Chloride into Lithium Hydroxide by Solvent Extraction KU Leuven

Viet Tu Nguyen, Clio Deferm, Sofía Riaño Torres, Peter Tom Jones, Koen Binnemans

UNLABELLED: A hydrometallurgical process is described for conversion of an aqueous solution of lithium chloride into an aqueous solution of lithium hydroxide via a chloride/hydroxide anion exchange reaction by solvent extraction. The organic phase comprises a quaternary ammonium chloride and a hydrophobic phenol in a diluent. The best results were observed for a mixture of the quaternary ammonium chloride Aliquat 336 and 2,6-di-tert-butylphenol ...

Effect of dilution on the performance of ionic liquids in milliflow solvent extraction applications: Towards integration of extraction, scrubbing and stripping operations with in-line membrane-based phase separation KU Leuven

Willem Vereycken, Joren van Stee, Sofía Riaño Torres, Tom Van Gerven, Koen Binnemans

Separation of cobalt and nickel via solvent extraction with Cyanex-272: Batch experiments and comparison of mixer-settlers and an agitated column as contactors for continuous counter-current extraction KU Leuven

Clio Deferm, Koen Binnemans, Sofía Riaño Torres

Choline chloride-ethylene glycol based deep-eutectic solvents as lixiviants for cobalt recovery from lithium-ion battery cathode materials: are these solvents really green in high-temperature processes? KU Leuven

Nand Peeters, Kwinten Janssens, Dirk De Vos, Koen Binnemans, Sofía Riaño Torres

Deep-eutectic solvents (DESs) are often considered to be safe, eco-friendly and non-toxic solvents. Due to these green credentials, they are increasingly being studied for application in metal recycling processes. One example is their use as lixiviants for the recovery of cobalt from lithium cobalt oxide (LiCoO2, LCO), which is a common cathode material in lithium-ion batteries. Here, leaching of cobalt is facilitated by reduction of cobalt(iii) ...

Separation of heavy rare-earth elements by non-aqueous solvent extraction: Flowsheet development and mixer-settler tests KU Leuven

Brecht Dewulf, Sofía Riaño Torres, Koen Binnemans

Extraction Behavior and Purification of Germanium Using an Undiluted Quaternary Ammonium Ionic Liquid in Combination with a Complexing Agent KU Leuven

Willem Vereycken, Maxim De Belder, Sofía Riaño Torres, Tom Van Gerven, Koen Binnemans

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