Application of Fenton and Solar Photo-Fenton Processes to the Treatment of a Sanitary Landfill Leachate in a Pilot Plant with CPCs
Abstract
This paper reports on landfill leachate treatment by Fenton (Fe2+/H2O2) and solar photo-Fenton (Fe2+/H2O2/UV) processes in a pilot plant with compound parabolic collectors (CPCs). The solar photo-Fenton reaction is much more efficient than the respective dark reaction under identical experimental conditions, leading to 86% mineralization and 94% reduction of aromatic content of the leachate after 4 days of solar exposure (206 kJUV L-1), consuming 366 mM of H2O2 in the presence of 20 mg L-1 of iron. According to activated sludge respirometry, BOD5/COD ratio, Zahn-Wellens and kinetic results, the amount of UV energy necessary to reach a biodegradable effluent is 113 kJUV L-1, consuming 227 mMof H2O2, which means almost 73% mineralization of the leachate.
© 2016 by Walter de Gruyter Berlin/Boston
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Artikel in diesem Heft
- Activity of TiO2 Photocatalyst Modified with H2WO4 for Degradation of Organic Compounds in Water
- The Influence of Solution Composition on the Effectiveness of Degradation of Ibuprofen Sodium Salt in a Hybrid Photocatalysis – Membrane Distillation System
- Antifungal Effect of Titanium Dioxide, Indoor Light and the Photocatalytic Process in In Vitro Test on Different Media
- Influence of Contaminants on Arc Properties during Treatment of Polluted Soils in Electric Arc Plasma
- DDT-Contaminated Soil Treatment with Persulfate and Hydrogen Peroxide Utilizing Different Activation Aids and the Chemicals Combination with Biosurfactant
- Landfill Leachate Treatment by Fenton, Photo-Fenton Processes and their Modification
- The Technological Parameters of Hydrochlorination of Glycerol to Dichloropropanols
- Characterization of TiO2 Modified with Bimetallic Ag/Au Nanoparticles Obtained inMicroemulsion System
- Application of Fenton´s Reagent for Acrylic Dyeing Wastewater Decolorization, Organic Matter Reduction and Biodegradability Improvement
- Photocatalytic and Self-cleaning Properties of Titania Coatings Prepared by Inkjet Direct Patterning of a Reverse Micelles Sol-gel Composition
- Decomposition of Microcystis aeruginosa and Microcystin-LR by TiO2 Oxidation Using Artificial UV Light or Natural Sunlight
- Application of Fenton and Solar Photo-Fenton Processes to the Treatment of a Sanitary Landfill Leachate in a Pilot Plant with CPCs
- Raschig Rings Based on Pillared Clays: Efficient Reusable Catalysts for Oxidation of Phenol
- Assessing the Effect of Inorganic Anions on TiO2-Photocatalysis and Ozone Oxidation Treatment Efficiencies
- Heterogeneous Catalytic Supercritical Water Oxidation of Refractory Organic Pollutants in Industrial Wastewaters
- Photodegradation of p-cresol in Aqueous Mn(1%)-Doped ZnO Suspensions
- CFD Modeling of Fixed Photocatalytic Inserts for a Continuous Flow Reactor for Water Disinfection
- Simulation of Simultaneous Removal of SO2 and NO Using Pulsed Discharge
- Congo Red Degradation in Anode and Sunlight/derivative Persulfate Composite Oxidation System
- Photocatalytic Degradation of Acephate on ZnFe2O4-TiO2 Photocatalyst under Visible-Light Irradiation
- Decolorization of Methyl Orange Solution with Potassium Bromate under UV Irradiation
- Utilization of Ozone Based Techniques for Industrial Effluents Depuration and Reuse
- Hydrogen Peroxide Generation by DC and Pulsed Underwater Discharge in Air Bubbles
- Silver and Phosphate Functionalized Reactive TiO2/Polymer Composite Films for Destructions of Resistent Bacteria Using Visible Light
- Treatment of Composted Soils contaminated with Petroleum Hydrocarbons using Chemical Oxidation followed by Enhanced Aerobic Bioremediation