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    Fate of triclocarban during soil aquifer treatment: Soil column studies

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    Type
    Article
    Authors
    Essandoh, H. M K
    Tizaoui, Chedly
    Mohamed, Mostafa H A
    Amy, Gary L.
    Brdjanovic, Damir
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Environmental Science and Engineering Program
    Water Desalination and Reuse Research Center (WDRC)
    Date
    2010-04
    Permanent link to this record
    http://hdl.handle.net/10754/561478
    
    Metadata
    Show full item record
    Abstract
    There are current concerns about the presence of persistent chemicals in recharge water used in soil aquifer treatment systems. Triclocarban (TCC) has been reported as a persistent, high production volume chemical with the potential to bioaccumulate in the environment. It is also known to have adverse effects such as toxicity and suspected endocrine disruption. This study was carried out to study the fate of TCC in soil aquifer treatment (SAT) through laboratory simulations in a soil column. The system performance was evaluated with regards to TCC influent concentration, sand (column) depth, and residence time. Results obtained confirmed the ability of SAT to reduce TCC concentrations in wastewater. Sorption and biodegradation were responsible for TCC removal, the latter mechanism however being unsustainable. The removal efficiency was found to be dependent on concentration and decreased over time and increased with column depth. Within the duration of the experimental run, TCC negatively impacted on treatment performance through a reduction in COD removals observed in the column. © IWA Publishing 2010.
    Citation
    Essandoh, H. M. K., Tizaoui, C., Mohamed, M. H. A., Amy, G., & Brdjanovic, D. (2010). Fate of triclocarban during soil aquifer treatment: soil column studies. Water Science and Technology, 61(7), 1779–1785. doi:10.2166/wst.2010.148
    Sponsors
    The study was carried out with support from The Netherlands Organisation for International Cooperation in Higher Education (Nuffic).
    Publisher
    IWA Publishing
    Journal
    Water Science & Technology
    DOI
    10.2166/wst.2010.148
    PubMed ID
    20371936
    ae974a485f413a2113503eed53cd6c53
    10.2166/wst.2010.148
    Scopus Count
    Collections
    Articles; Biological and Environmental Sciences and Engineering (BESE) Division; Environmental Science and Engineering Program; Water Desalination and Reuse Research Center (WDRC)

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