A5029514292- Extraction and Separation Processes
- Metal Extraction and Bioleaching
- Recycling and Waste Management Techniques
- Minerals Flotation and Separation Techniques
- Advancements in Battery Materials
- Bauxite Residue and Utilization
- Advanced Battery Technologies Research
- Metal Alloys Wear and Properties
- Adsorption and biosorption for pollutant removal
- Metallurgical Processes and Thermodynamics
- Metallurgy and Material Forming
- Electrocatalysts for Energy Conversion
- Fuel Cells and Related Materials
- Advanced Battery Materials and Technologies
- Nanomaterials for catalytic reactions
- Microstructure and Mechanical Properties of Steels
- Environmental remediation with nanomaterials
- Iron and Steelmaking Processes
- Electrodeposition and Electroless Coatings
Suranaree University of Technology
2020-2025
University of Leicester
2023-2025
The Faraday Institution
2023
This study presents a novel room-temperature, two-step process for separating catalyst-coated membranes (CCMs) used in fuel cells and water electrolysers.
While electric vehicles are seen as an important tool in the decarbonisation of transport, pack and module architectures make disassembly recycling slow complex. Removal physical fastenings such clips, screws, welds adhesives rate limiting factor to cell disassembly. This study investigates types polymeric which used various battery components shows how careful choice can speed up circumvent need for shredding increase purity value recycled material.
This study demonstrates a rapid and facile method for separating the central membrane catalyst-coated material from production scrap fuel cell membranes (CCMs), facilitating circular economy of technologically critical metals. A novel approach is presented using high-intensity ultrasonication with two distinct sonotrode configurations delamination at ambient temperature in water. technique utilises cavitation, where high-frequency sound waves create, expand, collapse microbubbles, generating...
Spent LiFePO 4 cathode materials were delaminated by immersion in water and re-lithiated via reduction using hydroquinone a lithium acetate DES at room temperature without special safety considerations.
This study aimed to investigate the leaching kinetics of valuable metals contained in calcined black mass derived from incineration spent lithium-ion battery (LIB) modules. The effects sulfuric acid (H2SO4) concentration (0.5–3 M), hydrogen peroxide (H2O2) (0.5–2.0 vol %), solid/liquid (S/L) ratio (25–75 g/L), time (10–120 min), and temperature (30 °C–70 °C) on metal efficiency were investigated. optimal conditions achieved with 1 M H2SO4, % H2O2, a S/L 50 g/L at 60 °C for min. Under these...
This research investigated recycling of manufacturing NdFeB magnet wastes in as-sintered and powder forms which contained high carbon via pyro-hydro metallurgy process. Effects oxidative roasting on selective leaching the were main focus comparison to whole without roasting. The process started from at 600 °C, sulfuric leaching, drying, 750 °C for 800 sintered wastes, water oxalic acid precipitation calcination 1000 obtain neodymium oxides. Oxidative was found reduce resulted iron oxide...
Recovery of nickel from spent electro plating solution has been investigated via hydro-metallurgical and electrometallurgical processes. Experimental consisted 3 steps, including precipitation solution, leaching precipitate, electrowinning nickel. Nickel was performed using sodium hydroxide. Leaching parameters such as 1 M to sulfuric acid concentration, 100 g×L-1 300 solid liquid ratio, 30 min 180 time were investigated. The leachate the optimal condition further used an electrolyte in...
Solder dross, a waste by-product from the electronic component dipping bath, contains significant quantities of valuable metals. This study presents four-step process for recovering tin, silver, and copper lead-free Sn-Ag-Cu solder dross. The involves initial reduction dross using petroleum coke to produce an anode plate, followed by electrorefining extract tin plate. Selective leaching silver residual slime cementation techniques are employed recover powder. rest solution was used...
This research investigated extraction of molybdenum from spent hydrodesulfurization (HDS) catalyst used in petroleum refinery. The HDS still however contains significant amounts valuable metals such as and nickel for example, thereby recovery are great interest. Pyro-hydrometallurgical process was utilized this to selectively extract the using alkali leaching reagent. start calcination catalyst, sodium carbonate, purification by carbon adsorption-desorption, precipitation ammonium molybdate...
The aim of this study is to investigate the extraction molybdenum from spent HDS catalyst. experiment was performed by using pyro-hydrometallurgical process; calcination and leaching. catalyst calcined at different temperatures in order effect temperature on recovery subsequent process. Leaching samples subsequently concentrations leaching reagent. conducted varying concentration NaCO 3 20 g/L, 30 g/L 40 with a fixed 90°C, S/L ratio (weight sample/volume reagent) 100 time 1 hrs. under...
High power neodymium magnets have been used extensively, such as components of hard disk drives, electric vehicles, and maglev trains. This type magnet contains high concentration rare earth elements. After the device is out service, will be removed element contained in extracted order to reuse for any purposes. Recently, study on extraction elements (REE) from increased. However, there was only few research regarding metals by using a water leaching method. In this study, rare-earth were...
Advanced High-strength steels (AHSS) has widely application in automotive due to their high tensile strength and remarkable ductility. These good mechanical performances are strongly influenced by the processing final microstructure. This paper performed Deformation Dilatometer finite element simulation study effect of hot rolling parameters such as strain, cooling rate, holding time at constant temperature on microstructure formation Nb-V low carbon microalloyed steel grade. It found that...