主题词：Membrane Separation Technologies; Advanced oxidation water treatment; Advanced Photocatalysis Techniques; Wastewater Treatment and Nitrogen Removal; Adsorption and biosorption for pollutant removal; Constructed Wetlands for Wastewater Treatment; Water Treatment and Disinfection; Environmental remediation with nanomaterials; Phosphorus and nutrient management; Nanomaterials for catalytic reactions; Membrane-based Ion Separation Techniques; Pharmaceutical and Antibiotic Environmental Impacts; Microbial Fuel Cells and Bioremediation; Water Quality Monitoring and Analysis; TiO2 Photocatalysis and Solar Cells; Extraction and Separation Processes; Wastewater Treatment and Reuse; Anaerobic Digestion and Biogas Production; Water Quality Monitoring Technologies; Advanced Nanomaterials in Catalysis; Solar-Powered Water Purification Methods; Recycling and Waste Management Techniques; Microplastics and Plastic Pollution; Graphene and Nanomaterials Applications; Electrochemical sensors and biosensors