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    Hybridization of natural systems with advanced treatment processes for organic micropollutant removals: New concepts in multi-barrier treatment

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    Type
    Article
    Authors
    Sudhakaran, Sairam
    Maeng, Sungkyu
    Amy, Gary L.
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Environmental Science and Engineering Program
    Water Desalination and Reuse Research Center (WDRC)
    Date
    2013-07
    Permanent link to this record
    http://hdl.handle.net/10754/562835
    
    Metadata
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    Abstract
    In the past, emphasis has been on individual treatment processes comprising conventional treatment (coagulation, sedimentation, and filtration) followed by advanced treatment processes (adsorption, ion-exchange, oxidation, and membrane separation). With the depletion of water resources and high demand for power and chemical usage, efforts need to be made to judiciously use advanced treatment processes. There is a new interest in multiple barriers with synergies in which two coupled processes can function as a hybrid process. Within the context of this paper, the hybrid processes include a natural treatment process coupled with an advanced process. Pilot/full-scale studies have shown efficient removal of OMPs by these hybrid processes. With this hybridization, the usage of resources such as power and chemicals can be reduced. In this study, coupling/hybridization of aquifer recharge and recovery (ARR) with oxidation (O3), advanced oxidation process which involves <sup/>OH radicals (AOP), nanofiltration (NF), reverse osmosis (RO) and granular activated carbon (GAC) adsorption for OMP removal was studied. O3 or AOP as a pre-treatment and GAC, NF, RO, or UV/chlorination as a post-treatment to ARR was studied. NF can be replaced by RO for removal of OMPs since studies have shown similar performance of NF to RO for removal of many OMPs, thereby reducing costs and providing a more sustainable approach. © 2013 Elsevier Ltd.
    Citation
    Sudhakaran, S., Maeng, S. K., & Amy, G. (2013). Hybridization of natural systems with advanced treatment processes for organic micropollutant removals: New concepts in multi-barrier treatment. Chemosphere, 92(6), 731–737. doi:10.1016/j.chemosphere.2013.04.021
    Publisher
    Elsevier BV
    Journal
    Chemosphere
    DOI
    10.1016/j.chemosphere.2013.04.021
    PubMed ID
    23664475
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.chemosphere.2013.04.021
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Environmental Science and Engineering Program; Water Desalination and Reuse Research Center (WDRC)

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