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