主题词：Advanced Photocatalysis Techniques; Adsorption and biosorption for pollutant removal; Advanced oxidation water treatment; Membrane Separation Technologies; Catalytic Processes in Materials Science; Environmental remediation with nanomaterials; Extraction and Separation Processes; Nanomaterials for catalytic reactions; TiO2 Photocatalysis and Solar Cells; Wastewater Treatment and Nitrogen Removal; Phosphorus and nutrient management; Gas Sensing Nanomaterials and Sensors; Pharmaceutical and Antibiotic Environmental Impacts; Recycling and Waste Management Techniques; Covalent Organic Framework Applications; Advanced Nanomaterials in Catalysis; Metal-Organic Frameworks: Synthesis and Applications; Microplastics and Plastic Pollution; Carbon Dioxide Capture Technologies; Microbial Fuel Cells and Bioremediation; Membrane-based Ion Separation Techniques; Anaerobic Digestion and Biogas Production; Electrochemical sensors and biosensors; Electrochemical Analysis and Applications; Industrial Gas Emission Control