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DDT-Contaminated Soil Treatment with Persulfate and Hydrogen Peroxide Utilizing Different Activation Aids and the Chemicals Combination with Biosurfactant
-
Anna Goi
,
Marika Viisimaa
Veröffentlicht/Copyright:
30. November 2016
Abstract
The efficacy of DDT-contaminated soil treatment with hydrogen peroxide and persulfate utilizing different activation aids and the chemicals combination with biosurfactant was evaluated. The addition of a supplementary activator was able to improve the degradation of total DDT with both the hydrogen peroxide and persulfate oxidation processes indicating a lack of available activator. Ferrous iron added gradually was effectively utilized in the oxidation system with gradual addition of hydrogen peroxide, while chelated metal iron addition promoted the oxidation with more stable persulfate. The treatment with solid carriers of hydrogen peroxide, either calcium peroxide or magnesium peroxide, can be an effective alternative to the liquid one resulting in a higher degradation level of the contaminant. Strong alkalization with elevated dosages of NaOH sustained the persulfate oxidation of DDT. The addition of biosurfactant, rhamnolipid-alginate complex obtained by biosynthesis of strain Pseudomonas sp. PS-17, and EDTA improved the degradation of DDT by both persulfate and hydrogen peroxide oxidation processes indicating that the combined application of chemical oxidants and biosurfactant at natural soil pH has prospects as an effective option for contaminated soil remediation.
Keywords: soil decontamination; biosurfactant; chelated iron; hydrogen peroxide solid carrier; base activated persulfate
Received: 2011-8-4
Revised: 2011-10-25
Accepted: 2011-11-3
Published Online: 2016-11-30
Published in Print: 2012-1-1
© 2016 by Walter de Gruyter Berlin/Boston
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Schlagwörter für diesen Artikel
soil decontamination;
biosurfactant;
chelated iron;
hydrogen peroxide solid carrier;
base activated persulfate
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
