Oxidation Column Electrokinetics Mineralization Advanced oxidation process Modeling Biomass Biodegradability Fixed bed Persulfate Ionic liquids Methylene blue TiO2 Organic solvent nanofiltration Advanced oxidation processes Volatile organic compound Ozone Fouling Chemical scrubbing Carbon felt electrode Chemical oxidation Graphite felt Photocatalytic degradation Azo dyes Air treatment Pesticides Optimization Cleaning Water Electrocoagulation Biodegradability improvement Toluene Electro-Fenton process Microfiltration Aqueous-solution Membrane Cyclic voltammetry Modelling Wastewater treatment Combined processes Simulation Polyamide Partition coefficient Magnetite Synergetic effect Adsorption Response surface methodology Absorption DFT Isotherm Pollution Clofibric acid Antibiotics Water treatment VOCs Prediction Filtration Electro-Fenton Photocatalysis Sorption Characterization Mass-transfer Azo dye VOC PH Dyes Tetracycline Activated carbon Continuous reactor Kinetics Degradation Volatile organic compounds Coupling process Biodegradation Central composite design Hydrophobic VOC Electrochemical oxidation Ultrafiltration Nanofiltration Ageing Mass transfer Wastewater Dechlorination Catalyst Toxicity Carbamazepine Silicone oil Sulfamethazine Kinetic modeling Biofiltration Soil Kinetic Biosorption Packing material Combined process Reverse osmosis Removal Heavy metals Activated sludge Biological treatment