主题词：Wastewater Treatment and Nitrogen Removal; Advanced oxidation water treatment; Water Treatment and Disinfection; Membrane Separation Technologies; Environmental remediation with nanomaterials; Adsorption and biosorption for pollutant removal; Constructed Wetlands for Wastewater Treatment; Toxic Organic Pollutants Impact; Groundwater flow and contamination studies; Microbial bioremediation and biosurfactants; Water Quality Monitoring and Analysis; Pharmaceutical and Antibiotic Environmental Impacts; Advanced Photocatalysis Techniques; Heavy metals in environment; Air Quality and Health Impacts; Phosphorus and nutrient management; Catalytic Processes in Materials Science; Anaerobic Digestion and Biogas Production; Recycling and Waste Management Techniques; Microbial Fuel Cells and Bioremediation; Odor and Emission Control Technologies; Wastewater Treatment and Reuse; Atmospheric chemistry and aerosols; Microplastics and Plastic Pollution; Industrial Gas Emission Control