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    Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10259/9651

    Título
    Environmental and socio-economic evaluation of a groundwater bioremediation technology using social Cost-Benefit Analysis: Application to an in-situ metal(loid) precipitation case study
    Autor
    Ibáñez Porras, JesúsUBU authority Orcid
    Pérez de Mora, Alfredo
    Santiago Herrera, MarioUBU authority Orcid
    Belloncle, Benjamine
    De Wilde, Herwig
    Martel Martín, SoniaUBU authority Orcid
    Blanco Alcántara, DavidUBU authority Orcid
    Barros García, RocíoUBU authority Orcid
    Publicado en
    Science of The Total Environment. 2024, V. 954, 176720
    Editorial
    Elsevier
    Fecha de publicación
    2024-12
    ISSN
    0048-9697
    DOI
    10.1016/j.scitotenv.2024.176720
    Abstract
    Bioremediation can be an alternative or complementary approach to conventional soil and water treatment technologies. Determining the environmental and socio-economic impacts of bioremediation is important but rarely addressed. This work presents a comprehensive sustainability assessment for a specific groundwater bioremediation case study based on In-situ Metal(loid) Precipitation (ISMP) by conducting a social Cost-Benefit Analysis (CBA) using two different approaches: environmental Life Cycle Costing (eLCC) and Impact Pathway Approach (IPA). Externalities are calculated in two ways: i) using Environmental Prices (EP) to monetize Life Cycle Assessment (LCA) results and metal(loid)s removed at field scale, and ii) following the IPA steps to determine the social costs avoided by removing arsenic contamination at full scale. The results show that, in the baseline scenario, the project is not socio-economically viable in both cases as the Net Present Value (NPV) is −129,512.61 € and − 415,185,140 € respectively. Sensitivity and scenario analyses are performed to identify the key parameters and actions needed to reach a positive NPV. For instance, increasing the amount of water treated per year to 90 m3 and assuming a 20 % increase in operation costs and a 60 % increase in construction costs can make the project socio-economically viable at the field scale, while a reduction in the social discount rate from a 4 % to a 2 % can lead to a positive NPV at the full scale. The approaches proposed in this work may be useful for practitioners and policymakers when evaluating the environmental and socio-economic impacts of bioremediation technologies at different scales and regions, as well as human health impacts caused by contaminants at the current legal limits.
    Palabras clave
    Bioremediation
    Environmental Life Cycle Costing
    mpact Pathway Approach
    Life Cycle Assessment
    Social Cost-Benefit Analysis
    Materia
    Bioquímica
    Biochemistry
    Biorremediación
    Bioremediation
    URI
    http://hdl.handle.net/10259/9651
    Versión del editor
    https://doi.org/10.1016/j.scitotenv.2024.176720
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