Biofiltration Water Absorption Volatile organic compounds Wastewater Toluene Biomass Pollution Metronidazole Biodegradability Mass-transfer Hydrogen peroxide Mass transfer Carbamazepine Fouling Activated sludge Heavy metals Organic solvent nanofiltration Biodegradation Sulfamethazine Ageing Clofibric acid Cyclic voltammetry Electrochemical oxidation Fermentation Antibiotics Nanofiltration Chemical oxidation Advanced oxidation process Kinetic modelling Pesticides Electrocoagulation Air treatment Magnetite Water treatment Ethanol Isotherm Packing material Biological treatment Kinetic Methylene blue Modelling Hydrophobic VOC Mineralization Cleaning Degradation Desalination Carbon felt electrode Environment Chemical scrubbing Toxicity Ozone Isotherms Azo dye Biogas Coupling process Biosorption DFT Sorption Kinetics Combined processes Synergetic effect Soil Ionic liquids VOCs Activated carbon Polyamide Volatile organic compound Response surface methodology Azo dyes Combined process Membrane Central composite design Peroxymonosulfate Persulfate Silicone oil Reverse osmosis Dye Kinetic models Tetracycline Disinfection Modeling Microfiltration Continuous reactor Photocatalysis TiO2 Optimization Nanoparticles Removal Ultrafiltration Kinetic modeling Adsorption Characterization Filtration VOC Wastewater treatment Simulation Advanced oxidation processes Oxidation Electro-Fenton