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A Quantitative Approach to Assessing the Technical and Economic Performance of Source Containment Options for Contaminated Aquifers

Author

Listed:
  • Alessandro Casasso

    (Department of Environment, Land and Infrastructure Engineering (DIATI), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy)

  • Agnese Salomone

    (Department of Environment, Land and Infrastructure Engineering (DIATI), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy)

  • Carlo Bianco

    (Department of Environment, Land and Infrastructure Engineering (DIATI), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy)

  • Giovanni Prassede

    (Department of Environment, Land and Infrastructure Engineering (DIATI), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy)

  • Rajandrea Sethi

    (Department of Environment, Land and Infrastructure Engineering (DIATI), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy)

Abstract

The containment of contaminant plumes to protect groundwater from pollution is recognized as a frequent need in brownfield redevelopment. Plume containment can be physical, with slurry walls, jet grouting etc., or hydraulic, with wells capturing the subsurface flow that crosses the contaminated front (Pump & Treat), or a combination of both types. The choice of the most suitable technique is a difficult task, since various aspects must be taken into consideration. In this paper, we present a framework for evaluating barriers in terms of effectiveness and efficiency, along with a simplified approach for the evaluation of capital and operational costs. The contaminant mass discharge escaping from the containment system is a robust indicator of its effectiveness, and can be derived from modelling results. The abstracted water flowrate is a key indicator of the efficiency and sustainability of each option, especially in the long term. The methodology is tested in a simplified case study and in a real one, highlighting the relevance of modelling results in guiding the choice and design of contaminant source containment systems.

Suggested Citation

  • Alessandro Casasso & Agnese Salomone & Carlo Bianco & Giovanni Prassede & Rajandrea Sethi, 2021. "A Quantitative Approach to Assessing the Technical and Economic Performance of Source Containment Options for Contaminated Aquifers," Sustainability, MDPI, vol. 13(10), pages 1-18, May.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:10:p:5346-:d:552134
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    References listed on IDEAS

    as
    1. Valerio Palma & Federico Accorsi & Alessandro Casasso & Carlo Bianco & Sarah Cutrì & Matteo Robiglio & Tiziana Tosco, 2020. "AdRem: An Integrated Approach for Adaptive Remediation," Sustainability, MDPI, vol. 13(1), pages 1-16, December.
    2. Deyi Hou & Abir Al-Tabbaa & Jian Luo, 2014. "Assessing effects of site characteristics on remediation secondary life cycle impact with a generalised framework," Journal of Environmental Planning and Management, Taylor & Francis Journals, vol. 57(7), pages 1083-1100, July.
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