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