主题词：Granular flow and fluidized beds; Mineral Processing and Grinding; Particle Dynamics in Fluid Flows; Cyclone Separators and Fluid Dynamics; Human auditory perception and evaluation; Advanced Photocatalysis Techniques; Minerals Flotation and Separation Techniques; Diverse Scientific and Economic Studies; Advanced materials and composites; Aerosol Filtration and Electrostatic Precipitation; Advanced ceramic materials synthesis; Catalytic Processes in Materials Science; TiO2 Photocatalysis and Solar Cells; Aluminum Alloys Composites Properties; Powder Metallurgy Techniques and Materials; Academic Writing and Publishing; Nanofluid Flow and Heat Transfer; Gas Sensing Nanomaterials and Sensors; Copper-based nanomaterials and applications; Metal Extraction and Bioleaching; Fluid Dynamics and Heat Transfer; Adsorption and biosorption for pollutant removal; ZnO doping and properties; Advancements in Battery Materials; Nanomaterials for catalytic reactions