Comparison of Advanced Oxidation Processes (AOPs) based on O3 and H2O2 for the Remediation of Real Wastewaters
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Rui C. Martins
Abstract
Several treatment strategies based in ozone and hydrogen peroxide (single, catalytic ozonation over Mn-Ce-O and Fe2O3 - MnOx as well as O3+H2O2, homogeneous (Fe2+) and heterogeneous (Fe-Ce-O) Fenton’s processes) were tested for the depuration of three real streams (olive mill - OMW, detergent - DW and milk whey wastewater - MWW). The lowest depuration efficiencies were attained by single ozonation with 11%, 7% and 52% of COD abated for OMW, DW and MWW. The presence of solid catalysts improved ozone action, but their stability was compromised for DW and MWW. Homogeneous Fenton’s was efficient for all the effluents with 71%, 21% and 96% of COD removed. The catalyst Fe-Ce-O is able to surpass the drawback associated to dissolved iron in the classical Fenton’s regarding OMW; nevertheless it led to a less biodegradable DW effluent. Ozone+H2O2 totally depurated MWW. Considering the efficiency results with the costs estimation it seems advisable to treat OMW, DW and MWW with H2O2+Fe-Ce-O, H2O2+Fe2+ and O3+H2O2, respectively.
© 2016 by Walter de Gruyter Berlin/Boston
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Articles in the same Issue
- Natural Zeolite Reactivity Towards Ozone: The Role of Acid Surface Sites
- The Effect of Operational Parameters on the Photocatalytic Degradation of C.I. Reactive Yellow 86 Textile Dye Using Manganese Zinc Oxide Nanocomposite Thin Films
- Comparison of the Effectiveness of Chlorine, Ozone, and Photocatalytic Disinfection in Reducing the Risk of Antibiotic Resistance Pollution
- Kinetic Modeling of the Photocatalytic Oxidation of Sodium Dodecylbenzenesulphonate
- Distillery Wastewater Treated by Electrochemical Oxidation with Boron-Doped Diamond Electrodes
- Visible Light Induced Photodegradation of Capsicum Red Pigment by Tm/TiO2-Loaded Cotton
- Treatment of Pharmaceutical-manufacturing Wastewaters by UV Irradiation/Hydrogen Peroxide Process
- Maleic Acid Oxidation Using A Heterogeneous Modified Polyacrylonitrile (PAN) Fibrous Catalyst
- Simulation of NOx Removal in NO/N2 Pulse Discharge System
- 2, 4-Ionene Supported Permanganate: A Novel, Efficient and Selective Solid Phase Oxidizing Agent for Oxidation of Organic Compounds
- Photooxidation in Combination with Nanotechnologies - Principles, Developments and R&D Approaches of an Advanced Technology for Water and Air Treatment - Uviblox®
- Hydroxylation of Phenol with Hydrogen Peroxide over the Ti-MWW Catalyst in the Presence of Acetonitrile
- Temperature Distribution in the Gliding Arc Discharge Chamber
- Comparison of Advanced Oxidation Processes (AOPs) based on O3 and H2O2 for the Remediation of Real Wastewaters
- Degradation of Ivermectin by Fenton and Photo-Fenton and Toxicity Test Using Daphnia similis
- Photocatalytic Removal of Reactive Black-5 Dye from Aqueous Solution by UV Irradiation in Aqueous TiO2: Equilibrium and Kinetics Study
- TiO2 Nano-cluster Thin Films by Dense Plasma Focus and Ion Implantation Effect on its Photocatalytic Activity
