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  • The Removal Of Microcystins in Drinking Water by Clay Minerals

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    Author(s)
    Prochazka, Erik
    Hwang, Gab Soo
    Shaw, Glen
    Hawker, Darryl
    Stewart, I.
    Wickramasinghe, Wasa
    Griffith University Author(s)
    Hawker, Darryl W.
    Prochazka, Erik
    Year published
    2010
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    Abstract
    Korean Yellow Clay (Whangto) can be used to efficiently remove the cyanobacterial toxin microcystin-LR when present in water. This removal technique can be employed by rural and remote communities when surface water is contaminated with a toxic Microcystis sp. bloom. In most cases two sequential applications of clay can bring the dissolved microcystin toxin content below WHO guidelines for drinking water (1 ug/L) (WHO, 1998). The removal process is characterised by adsorption to the clay particle, with the Langmuir isotherm fitting the results marginally better than the Freundlich isotherm.Korean Yellow Clay (Whangto) can be used to efficiently remove the cyanobacterial toxin microcystin-LR when present in water. This removal technique can be employed by rural and remote communities when surface water is contaminated with a toxic Microcystis sp. bloom. In most cases two sequential applications of clay can bring the dissolved microcystin toxin content below WHO guidelines for drinking water (1 ug/L) (WHO, 1998). The removal process is characterised by adsorption to the clay particle, with the Langmuir isotherm fitting the results marginally better than the Freundlich isotherm.
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    Conference Title
    14th ICHA Proceedings
    Publisher URI
    http://www.hab2010.gr/
    Copyright Statement
    © 2010 ISSH. The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the conference's website for access to the definitive, published version.
    Subject
    Environmental Chemistry (incl. Atmospheric Chemistry)
    Publication URI
    http://hdl.handle.net/10072/37416
    Collection
    • Conference outputs

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