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    Formation of Emerging Disinfection By-products by Chlorination/Chloramination of Seawater Impacted by Algal Organic Matter

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    Type
    Book Chapter
    Authors
    Nihemaiti, Maolida
    Le Roux, Julien cc
    Croue, Jean-Philippe
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Environmental Science and Engineering Program
    Water Desalination and Reuse Research Center (WDRC)
    Date
    2015-08-31
    Online Publication Date
    2015-08-31
    Print Publication Date
    2015
    Permanent link to this record
    http://hdl.handle.net/10754/622143
    
    Metadata
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    Abstract
    The aim of this work was to study the formation of haloacetamides (HAcAms) and other DBPs during chlorination and chloramination of algal organic matter (AlOM). The HAcAms formation potentials of different precursors (amino acids, simulated algal blooms grown in the Red Sea) were evaluated. Experiments with simulated algal blooms were conducted in the presence of bromide ion (synthetic seawater containing 800 μg/L Br−) to assess the formation of brominated analogues of HAcAms in conditions close to the disinfection of real seawater. Chlorination produced more HAcAms than chloramination from real algae (Synecococcus sp.), thus indicating that the nitrogen of HAcAms comes predominantly from DON through the decarboxylation of amino acids rather than from NH2Cl. Dibrominated species of DBPs (i.e., DBAcAm, DBAA and DBAN) were the dominant species formed by both chlorination and chloramination of algal bloom samples. Chloramination of the amino acid asparagine produced an important amount of DCAcAm as compared to chlorination, indicating the existence of a specific reaction pathway.
    Citation
    Nihemaiti M, Le Roux J, Croué J-P (2015) Formation of Emerging Disinfection By-products by Chlorination/Chloramination of Seawater Impacted by Algal Organic Matter. Recent Progress in Desalination, Environmental and Marine Outfall Systems: 285–294. Available: http://dx.doi.org/10.1007/978-3-319-19123-2_20.
    Publisher
    Springer Nature
    Journal
    Recent Progress in Desalination, Environmental and Marine Outfall Systems
    DOI
    10.1007/978-3-319-19123-2_20
    ae974a485f413a2113503eed53cd6c53
    10.1007/978-3-319-19123-2_20
    Scopus Count
    Collections
    Biological and Environmental Sciences and Engineering (BESE) Division; Environmental Science and Engineering Program; Water Desalination and Reuse Research Center (WDRC); Book Chapters

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