主题词：Wastewater Treatment and Nitrogen Removal; Membrane Separation Technologies; Water Quality Monitoring and Analysis; Adsorption and biosorption for pollutant removal; Advanced oxidation water treatment; Anaerobic Digestion and Biogas Production; Phosphorus and nutrient management; Water Treatment and Disinfection; Constructed Wetlands for Wastewater Treatment; Pharmaceutical and Antibiotic Environmental Impacts; Recycling and Waste Management Techniques; Advanced Photocatalysis Techniques; Water Quality and Pollution Assessment; Catalytic Processes in Materials Science; Environmental remediation with nanomaterials; Toxic Organic Pollutants Impact; Heavy metals in environment; Water Quality Monitoring Technologies; Nanomaterials for catalytic reactions; Air Quality and Health Impacts; Microplastics and Plastic Pollution; Extraction and Separation Processes; Microbial Fuel Cells and Bioremediation; Hydrology and Watershed Management Studies; Microbial Community Ecology and Physiology