主题词：Extraction and Separation Processes; Adsorption and biosorption for pollutant removal; Radioactive element chemistry and processing; Chemical Synthesis and Characterization; Membrane Separation Technologies; Minerals Flotation and Separation Techniques; Membrane Separation and Gas Transport; Membrane-based Ion Separation Techniques; Analytical chemistry methods development; Analytical Chemistry and Chromatography; Metal Extraction and Bioleaching; Carbon Dioxide Capture Technologies; Chemical and Physical Properties in Aqueous Solutions; Phase Equilibria and Thermodynamics; Microfluidic and Capillary Electrophoresis Applications; Nanomaterials for catalytic reactions; Ionic liquids properties and applications; Electrochemical Analysis and Applications; Process Optimization and Integration; Protein purification and stability; Field-Flow Fractionation Techniques; Electrohydrodynamics and Fluid Dynamics; Fuel Cells and Related Materials; Recycling and Waste Management Techniques; Crystallization and Solubility Studies