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Chelating Agents for Land Decontamination Technologies

Abstract

  • Sponsored by the Hazardous Waste Committee of the Environmental Council of the Environmental and Water Resources Institute of ASCE

    Chelating Agents for Land Decontamination Technologies examines the application of chelating agents for the treatment of soil contaminated with metals. Contaminated land remediation is a widespread and costly problem, and the traditional excavation-and-disposal treatment method is not a sustainable solution. Chelating agents (organic compounds that can bind metal ions) are an attractive new technology for land decontamination, because chelating agents enhance metal extraction from contaminated soil or sediment and facilitate metal mobility in subsurface soils.

    Chapters in this book cover the process fundamentals as well as engineering applications and recent advances for the use of chelating agents in soil washing, soil flushing, phytoremediation, and electrokinetic remediation. They address the application of chelating agents for both ex situ and in situ soil remediation technologies. The extensive use of illustrations and summary tables is combined with up-to-date references.

    This compilation of engineering applications and research findings for different chelating agent-enhanced remediation technologies will be useful to environmental engineers, scientists, and decision makers regarding contaminated land remediation.

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Front Matter
i–ix
    Chapter 1:
    Design, Implementation, and Economic/Societal Considerations of Chelant-Enhanced Soil Washing
    1–26
      Chapter 2:
      Remediation of Metal-Contaminated Sediments by Means of Chelant-Assisted Washing
      27–58
        Chapter 3:
        Operational Conditions of Chelant-Enhanced Soil Washing for Remediation of Metal-Contaminated Soil
        59–91
          Chapter 4:
          Electrochemical Treatment and Recovery of Chelating Agents
          92–108
            Chapter 5:
            Extraction of Metals from Spent Catalyst Using Fresh and Recovered Chelating Agents
            109–140
              Chapter 6:
              Enhanced Soil Flushing and Washing of Contaminated Soil and Sediments
              141–170
                Chapter 7:
                Heavy Metal Leaching from Contaminated Soils during the Percolation of EDTA: Observations and Modeling
                171–197
                  Chapter 8:
                  Roles of Metal-(Hydr)oxides in Chelant-Enhanced (Phyto)extraction
                  198–211
                    Chapter 9:
                    Use of Chelating Agents in Electrochemical Remediation of Contaminated Soil
                    212–280
                      FREE
                      Back Matter
                      281–282
                        FREE
                        Index
                        283–284