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Recovery Strategies of Contaminated Marine Sediments: A Life Cycle Assessment

Author

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  • Francesco Pasciucco

    (Department of Energy, Systems, Territory and Construction Engineering (DESTEC), University of Pisa, 56122 Pisa, Italy)

  • Isabella Pecorini

    (Department of Energy, Systems, Territory and Construction Engineering (DESTEC), University of Pisa, 56122 Pisa, Italy)

  • Simona Di Gregorio

    (Department of Biology, University of Pisa, 56122 Pisa, Italy)

  • Fabiano Pilato

    (Institute for Environmental Protection and Research (Istituto Superiore per la Protezione e la Ricerca Ambientale, ISPRA), 57123 Livorno, Italy)

  • Renato Iannelli

    (Department of Energy, Systems, Territory and Construction Engineering (DESTEC), University of Pisa, 56122 Pisa, Italy)

Abstract

This study performed a Life Cycle Assessment (LCA) on recovery strategies of dredged contaminated marine sediments in a large Mediterranean port located in central Italy (Tuscany) in order to find the most environmentally sound solution. The study considered marine sediments polluted by potentially toxic elements (PTEs) and/or organic compounds, two different sediment particle sizes and the combined use of three soil remediation technologies: soil washing, electrokinetic treatment and enhanced landfarming. The analyzed scenarios depended on the sediment properties and characteristics of the treatment technologies investigated, and were compared with the corresponding reference scenarios, consisting of the landfilling of dredged contaminated sediments. The LCA results show that scenarios associated with sediment recovery generated potential environmental impacts lower than the corresponding reference scenarios. Almost all the impact categories considered in the CML-IA baseline method showed an environmental convenience in the recovery of contaminated sediments, especially for abiotic depletion and global warming. Future studies should focus on optimizing the combined use of multiple technologies and reducing the resource consumptions related to their implementation in order to achieve both environmental and economic benefits.

Suggested Citation

  • Francesco Pasciucco & Isabella Pecorini & Simona Di Gregorio & Fabiano Pilato & Renato Iannelli, 2021. "Recovery Strategies of Contaminated Marine Sediments: A Life Cycle Assessment," Sustainability, MDPI, vol. 13(15), pages 1-19, July.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:15:p:8520-:d:605011
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    References listed on IDEAS

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    1. Bennamoun, Lyes & Arlabosse, Patricia & Léonard, Angélique, 2013. "Review on fundamental aspect of application of drying process to wastewater sludge," Renewable and Sustainable Energy Reviews, Elsevier, vol. 28(C), pages 29-43.
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    Cited by:

    1. Alessio Castagnoli & Francesco Pasciucco & Renato Iannelli & Carlo Meoni & Isabella Pecorini, 2022. "Keu Contamination in Tuscany: The Life Cycle Assessment of Remediation Project as a Decision Support Tool for Local Administration," Sustainability, MDPI, vol. 14(22), pages 1-15, November.
    2. Laura Ferrans & Alexander Nilsson & Frank Schmieder & Divya Pal & Mahboubeh Rahmati-Abkenar & Marcia Marques & William Hogland, 2022. "Life Cycle Assessment of Management Scenarios for Dredged Sediments: Environmental Impacts Caused during Landfilling and Soil Conditioning," Sustainability, MDPI, vol. 14(20), pages 1-17, October.
    3. Wendy Tatiana González Cano & Kyoungrean Kim, 2022. "How to Achieve Sustainably Beneficial Uses of Marine Sediments in Colombia?," Sustainability, MDPI, vol. 14(22), pages 1-13, November.

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