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Impacts of Changing Operational Parameters of In Situ Chemical Oxidation (ISCO) on Removal of Aged PAHs from Soil

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Published/Copyright: November 30, 2016
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Journal of Advanced Oxidation Technologies
From the journal Journal of Advanced Oxidation Technologies Volume 15 Issue 2

Abstract

The removal efficiency of two different types of peroxide addition, catalyzed hydrogen peroxide (CHP) and sodium percarbonate (SPC) were compared on a highly PAH-contaminated soil from a wood impregnation site. In an attempt to simulate real in situ reagents delivery, experiments have been carried out in acrylic columns. The main parameters affecting contaminant removal were the reagent’s temperature and the total addition of peroxide (gH2O2/gPAHs). The highest removal efficiency was 64% for CHP and 53% for SPC. CHP treatment is affected to a greater extent by the mobilization of PAHs out of the soil matrix at low peroxide dosages. SPC treatment showed less contaminant mobilization and lower sensitivity to changes in operational parameters. Acenaphthene and fluorene showed high removal efficiencies probably, caused by their higher solubility and lower Koc. The rest of the low molecular weight PAHs proved recalcitrant to the CHP treatment. Channelling effects and the inefficient decomposition of hydrogen peroxide led to the uneven distribution of the reaction.

Keywords: in situ chemical oxidation (ISCO); catalyzed hydrogen peroxide (CHP); sodium percarbonate (SPC); PAHs
Received: 2012-2-15
Revised: 2012-7-6
Accepted: 2012-7-8
Published Online: 2016-11-30
Published in Print: 2012-7-1

© 2016 by Walter de Gruyter Berlin/Boston

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  1. Decomposition of Toluene with Plasma-catalysis: A Review
  2. Multiobjective Optimization of an Electroxidation Process of Biologically Pre-Treated Landifill Leachate by Response Surface Methodology and Desirability Function Approach
  3. Advanced Electrochemical Oxidation of Ultrafiltration Permeates from Cellulose Bleaching Effluents
  4. Influence of Volcanic Sand Surface Hydroxyl Groups on the Heterogeneous Catalytic Ozonation of Methylene Blue Contaminated Waters
  5. Sonochemical Treatment of Orange II Using Ultrasound at a Range of Frequencies and Powers
  6. Oxidative Dehydrogenation of Ethanol over Au/TiO2 Photocatalysts
  7. Heterogeneous Photo-Fenton Oxidation of Organic Pollutants on Structured Catalysts
  8. Degradation of Monoethanolamine by Electron Beam Irradiation: Kinetic Study and Comparison with O3 and UV AOPs
  9. Spatio-temporally Resolved Investigation of Surface Charges, N2(A3∑u+) Metastables and Discharge Development in Barrier Discharges
  10. Oxidation of Elemental Mercury with Non-Thermal Plasma Coupled with Photocatalyst
  11. Study on Marine Bacteria Inactivation by UV Radiation Combined with Multi-pore Ceramic Filtration
  12. Photocatalytic Decolorization of Methyl Orange in Bi2O3 Suspension System
  13. Advanced Oxidation of Reactive Blue 221 by Fenton’s Process
  14. The Effect of Operational Parameters on the Photocatalytic Mineralization of Indocorn Brilliant Red M5B Using Sol–gel Derived Nanostructured Zinc Titanate as an Efficient Photocatalyst
  15. Application of Ozonation, UV Photolysis, Fenton Treatment and other Related Processes for Degradation of Ibuprofen and Sulfamethoxazole in Different Aqueous Matrices
  16. Water Remediation Using Pulsed Power Discharge under Water with an Advanced Oxidation Process
  17. Pretreatment of Sewage Sludge by Low-frequency Ultrasound
  18. Semiconductor Mediated Photocatalysed Reaction of Two Selected Organic Compounds in Aqueous Suspensions of Titanium Dioxide
  19. Tris(hydroxymethyl)aminomethane as a Probe in Heterogeneous TiO2 Photocatalysis
  20. Synthesis, Characterization and Evaluation of an Adsorbent/Photocatalyst Type Alumina by Photodegradation of Methylene Blue
  21. The Influence of Technological Parameters on Hydrogenolysis of Glycerol in the Presence of CuCr2O4 Catalyst
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  23. Impacts of Changing Operational Parameters of In Situ Chemical Oxidation (ISCO) on Removal of Aged PAHs from Soil
https://doi.org/10.1515/jaots-2012-0223
Keywords for this article
in situ chemical oxidation (ISCO); catalyzed hydrogen peroxide (CHP); sodium percarbonate (SPC); PAHs

Articles in the same Issue

  1. Decomposition of Toluene with Plasma-catalysis: A Review
  2. Multiobjective Optimization of an Electroxidation Process of Biologically Pre-Treated Landifill Leachate by Response Surface Methodology and Desirability Function Approach
  3. Advanced Electrochemical Oxidation of Ultrafiltration Permeates from Cellulose Bleaching Effluents
  4. Influence of Volcanic Sand Surface Hydroxyl Groups on the Heterogeneous Catalytic Ozonation of Methylene Blue Contaminated Waters
  5. Sonochemical Treatment of Orange II Using Ultrasound at a Range of Frequencies and Powers
  6. Oxidative Dehydrogenation of Ethanol over Au/TiO2 Photocatalysts
  7. Heterogeneous Photo-Fenton Oxidation of Organic Pollutants on Structured Catalysts
  8. Degradation of Monoethanolamine by Electron Beam Irradiation: Kinetic Study and Comparison with O3 and UV AOPs
  9. Spatio-temporally Resolved Investigation of Surface Charges, N2(A3∑u+) Metastables and Discharge Development in Barrier Discharges
  10. Oxidation of Elemental Mercury with Non-Thermal Plasma Coupled with Photocatalyst
  11. Study on Marine Bacteria Inactivation by UV Radiation Combined with Multi-pore Ceramic Filtration
  12. Photocatalytic Decolorization of Methyl Orange in Bi2O3 Suspension System
  13. Advanced Oxidation of Reactive Blue 221 by Fenton’s Process
  14. The Effect of Operational Parameters on the Photocatalytic Mineralization of Indocorn Brilliant Red M5B Using Sol–gel Derived Nanostructured Zinc Titanate as an Efficient Photocatalyst
  15. Application of Ozonation, UV Photolysis, Fenton Treatment and other Related Processes for Degradation of Ibuprofen and Sulfamethoxazole in Different Aqueous Matrices
  16. Water Remediation Using Pulsed Power Discharge under Water with an Advanced Oxidation Process
  17. Pretreatment of Sewage Sludge by Low-frequency Ultrasound
  18. Semiconductor Mediated Photocatalysed Reaction of Two Selected Organic Compounds in Aqueous Suspensions of Titanium Dioxide
  19. Tris(hydroxymethyl)aminomethane as a Probe in Heterogeneous TiO2 Photocatalysis
  20. Synthesis, Characterization and Evaluation of an Adsorbent/Photocatalyst Type Alumina by Photodegradation of Methylene Blue
  21. The Influence of Technological Parameters on Hydrogenolysis of Glycerol in the Presence of CuCr2O4 Catalyst
  22. Optimization of a Ti-MWW Catalysed Phenol Hydroxylation Process
  23. Impacts of Changing Operational Parameters of In Situ Chemical Oxidation (ISCO) on Removal of Aged PAHs from Soil
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