Assessment of soil remediation technologies by comparing health risk reduction and potential impacts using unified index, disability-adjusted life years

Iwao Sakaguchi, Yasushi Inoue, Shinichiro Nakamura, Yoshihiro Kojima, Ryo Sasai, Kayo Sawada, Kenji Suzuki, Chisato Takenaka, Arata Katayama

    Research output: Contribution to journalArticle

    6 Citations (Scopus)

    Abstract

    The assessment methodology of soil remediation technologies including citizen's opinions about environmental policy was developed to enable direct comparison between the resident health risk reduction by carrying out remediation (decreased primary risk) and the potential impacts of chemicals emitted during the remediation on national health, social assets, and primary production (secondary risk). Both risks were quantified with an unified index, disability-adjusted life years (DALYs), by employing life cycle costing (LCC), economic input-output life cycle assessment (EIO-LCA), and life cycle impact assessment (LCIA) database. Four remediation technologies were considered: excavation-disposal, high temperature thermal desorption (HTTD), biopile, and landfarming. There was almost no difference in the decreased primary risk among the four technologies, apart from landfarming, which had the smallest decreased primary risk. The secondary risk of the biological technologies (biopile, landfarming) was smaller than that of the physical and chemical technologies (excavation-disposal, HTTD). The ratio of the decreased primary risk to the secondary risk was largest in case of landfarming, which indicated that landfarming was most effective. The sum of the residual primary risks and secondary risk was small in the biological technologies, indicating that the biological technologies had smaller environmental impacts. Indexing both of decreased primary risk and secondary risk with DALYs enables non-experts who prioritize resident's health to assess the soil remediation technologies and would facilitate the decision making in the selection of remediation technologies.

    Original languageEnglish
    Pages (from-to)1663-1670
    Number of pages8
    JournalClean Technologies and Environmental Policy
    Volume17
    Issue number6
    DOIs
    Publication statusPublished - 2015 Aug 1

    Fingerprint

    soil remediation
    Health risks
    disability
    Remediation
    health risk
    Soils
    remediation
    Life cycle
    Thermal desorption
    life cycle
    Excavation
    index
    risk reduction
    desorption
    excavation
    Health
    environmental policy
    Environmental impact
    primary production
    environmental impact

    Keywords

    • Disability-adjusted life years
    • Environmental impact
    • Health risk reduction
    • Soil remediation technology

    ASJC Scopus subject areas

    • Environmental Chemistry
    • Environmental Engineering
    • Management, Monitoring, Policy and Law

    Cite this

    Assessment of soil remediation technologies by comparing health risk reduction and potential impacts using unified index, disability-adjusted life years. / Sakaguchi, Iwao; Inoue, Yasushi; Nakamura, Shinichiro; Kojima, Yoshihiro; Sasai, Ryo; Sawada, Kayo; Suzuki, Kenji; Takenaka, Chisato; Katayama, Arata.

    In: Clean Technologies and Environmental Policy, Vol. 17, No. 6, 01.08.2015, p. 1663-1670.

    Research output: Contribution to journalArticle

    Sakaguchi, Iwao ; Inoue, Yasushi ; Nakamura, Shinichiro ; Kojima, Yoshihiro ; Sasai, Ryo ; Sawada, Kayo ; Suzuki, Kenji ; Takenaka, Chisato ; Katayama, Arata. / Assessment of soil remediation technologies by comparing health risk reduction and potential impacts using unified index, disability-adjusted life years. In: Clean Technologies and Environmental Policy. 2015 ; Vol. 17, No. 6. pp. 1663-1670.
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