主题词：Membrane Separation Technologies; Adsorption and biosorption for pollutant removal; Membrane-based Ion Separation Techniques; Water Quality Monitoring and Analysis; Nanomaterials for catalytic reactions; Advanced oxidation water treatment; Solar-Powered Water Purification Methods; Extraction and Separation Processes; Wastewater Treatment and Nitrogen Removal; Phosphorus and nutrient management; Advanced Photocatalysis Techniques; Water Treatment and Disinfection; Wastewater Treatment and Reuse; Environmental remediation with nanomaterials; Constructed Wetlands for Wastewater Treatment; Water Quality Monitoring Technologies; Dye analysis and toxicity; Diverse Scientific and Economic Studies; Water Quality and Pollution Assessment; Water-Energy-Food Nexus Studies; TiO2 Photocatalysis and Solar Cells; Analytical chemistry methods development; Human auditory perception and evaluation; Chemical Synthesis and Characterization; Recycling and Waste Management Techniques