A5052943366- Extraction and Separation Processes
- Ionic liquids properties and applications
- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Lanthanide and Transition Metal Complexes
- Radioactive element chemistry and processing
- Magnetism in coordination complexes
- Liquid Crystal Research Advancements
- Electrochemical Analysis and Applications
- Metal Extraction and Bioleaching
- Luminescence Properties of Advanced Materials
- Advancements in Battery Materials
- Crystallography and molecular interactions
- Recycling and Waste Management Techniques
- Bauxite Residue and Utilization
- Polyoxometalates: Synthesis and Applications
- Glass properties and applications
- Analytical chemistry methods development
- Chemical and Physical Properties in Aqueous Solutions
- Nuclear Materials and Properties
- Chemical Synthesis and Characterization
- Geochemistry and Elemental Analysis
- Surfactants and Colloidal Systems
- Chemical Synthesis and Reactions
- Molecular spectroscopy and chirality
KU Leuven
2016-2025
Zdravstveni centar
2016-2019
Chemical Synthesis Lab
2018
National Technical University of Athens
2017
British Geological Survey
2017
Geological Survey of Finland
2017
Swedish University of Agricultural Sciences
2017
Outokumpu (Finland)
2017
Belgian Nuclear Research Centre
2016
Institute for Basic Science
2016
Protonated betaine bis(trifluoromethylsulfonyl)imide is an ionic liquid with the ability to dissolve large quantities of metal oxides. This metal-solubilizing power selective. Soluble are oxides trivalent rare earths, uranium(VI) oxide, zinc(II) cadmium(II) mercury(II) nickel(II) copper(II) palladium(II) lead(II) manganese(II) and silver(I) oxide. Insoluble or very poorly soluble iron(III), manganese(IV), cobalt oxides, as well aluminum oxide silicon dioxide. The metals can be stripped from...
An environmentally friendly process for the separation of transition metals copper, cobalt, iron, manganese and zinc from rare earths by solvent extraction with ionic liquid trihexyl(tetradecyl)phosphonium chloride has been developed. The is carried out without use organic diluents or extra agents it can be applied as a sustainable hydrometallurgical method removing neodymium–iron–boron samarium–cobalt permanent magnets. recycling high importance because possible supply risk these elements...
The balance between the market demand and natural abundance of rare-earth elements (REEs) in ores, often referred to as Balance Problem (or Balancing Problem), is a major issue for REE suppliers. ideal situation perfect match production REEs, so that there are no surpluses any REEs. This means industry must find new uses REEs available excess search substitutes have either limited availability or high demand. We present an overview trends applications different show use magnets, catalysts,...
This position paper introduces the reader to concept of solvometallurgy, term used describe extraction metals from ores, industrial process residues, production scrap, and urban waste using non-aqueous solutions. Here, is not imply anhydrous, but rather a low water content. The unit operations are as follows: solvent leaching; separation residue; purification leach solution by or ion exchange; metal recovery precipitation electrolysis in electrolytes. Solvometallurgy similar hydrometallurgy...
Mixtures of carboxylic acids and choline chloride are one the most commonly used families deep-eutectic solvents. The thermal long-term stability acid–choline (ChCl) solvents was investigated. This family DESs found to degrade due an esterification reaction, mainly between acid alcohol moiety ChCl. reaction occurs even at room temperature over extended periods time is promoted elevated temperatures. takes place independently preparation method used. Moreover, solvent malonic acid–ChCl (xChCl...
Solvometallurgical recovery of cobalt from lithium oxide by using a choline chloride–citric acid deep eutectic solvent (DES) in presence aluminium and copper current collectors.
Neodymium, dysprosium and cobalt can be efficiently separated using a simple environmentally friendly extraction system with ionic liquids.
A green solvent extraction process for the separation of cobalt from nickel, magnesium and calcium in chloride medium was developed, using undiluted phosphonium-based ionic liquids as extractants. Cobalt extracted to liquid phase tetrachlorocobaltate(II) complex, leaving behind aqueous phase. Manganese is interfering process. The main advantage this that no organic diluents have be added phase, so use volatile compounds can avoided. Separation factors higher than 50 000 were observed...
Binary mixtures of the ionic liquid betainium bis(trifluoromethylsulfonyl)imide and water show an upper critical solution temperature. This solvent system has been used to extract metal ions by phase-transition extraction, using zwitterionic betaine as extractant. The is efficient for extraction trivalent rare-earth, indium gallium ions. new type avoids problems associated with use viscous liquids, namely, difficulty intense mixing aqueous phases stirring.
Replacing conventional solvents by ionic liquids is often suggested as a possible route to greener industrial processes. However, are typically petroleum-derived. This critical perspective discusses the syntheses, applications and limitations of biobased synthesized from amino acids, carbohydrates, lignin other renewable sources. The practical aspects applying such in lignocellulose processing, reaction solvent, organocatalyst or metal extraction medium highlighted.
A recycling process for lamp phosphor waste has been developed based on the selective dissolution and revalorization of valuable red Y<sub>2</sub>O<sub>3</sub>:Eu<sup>3+</sup> in functionalized ionic liquid [Hbet][Tf<sub>2</sub>N].