Fouling Kinetic models Tetracycline Volatile organic compounds Fermentation Biological treatment Advanced oxidation process Electrochemical oxidation Fenton Hydrogen peroxide VOCs Mass transfer Central composite design Response surface methodology Degradation Electro-Fenton process Combined process Clofibric acid Cleaning Filtration Kinetics Biogas Azo dye Antibiotics Packing material Toxicity Continuous reactor Membrane Carbon felt electrode Silicone oil Carbamazepine Photocatalysis Soil Cyclic voltammetry VOC Characterization Environment PH Kinetic Microfiltration Combined processes Hydrophobic VOC Adsorption Organic solvent nanofiltration Sorption Ionic liquids DFT Biodegradability Water treatment Sulfamethazine Absorption Electroreduction Ageing Magnetite Chemical oxidation Metronidazole Electro-Fenton Toluene Ultrafiltration Synergetic effect Nanoparticles Air treatment Isotherms Oxidation Wastewater treatment Mineralization Biofiltration Polyamide Activated carbon Ethanol Biomass Removal Optimization H2S Desalination Isotherm Activated sludge TiO2 Electrocoagulation Water Methylene blue Dye Phenol Dyes Mass-transfer Advanced oxidation processes Heavy metals Ozone Modelling Persulfate Partition coefficient Chemical scrubbing Biosorption Wastewater Modeling Nanofiltration Biodegradation Graphite felt Pesticides Coupling process