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    Simultaneous nitrogen and organics removal using membrane aeration and effluent ultrafiltration in an anaerobic fluidized membrane bioreactor

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    1-s2.0-S0960852417312993-main.pdf
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    PDF
    Description:
    Accepted Manuscript
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    Type
    Article
    Authors
    Ye, Yaoli
    Saikaly, Pascal cc
    Logan, B.E.
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Environmental Science and Engineering Program
    Water Desalination and Reuse Research Center (WDRC)
    Date
    2017-08-03
    Online Publication Date
    2017-08-03
    Print Publication Date
    2017-11
    Permanent link to this record
    http://hdl.handle.net/10754/625319
    
    Metadata
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    Abstract
    Dissolved methane and a lack of nutrient removal are two concerns for treatment of wastewater using anaerobic fluidized bed membrane bioreactors (AFMBRs). Membrane aerators were integrated into an AFMBR to form an Aeration membrane fluidized bed membrane bioreactor (AeMFMBR) capable of simultaneous removal of organic matter and ammonia without production of dissolved methane. Good effluent quality was obtained with no detectable suspended solids, 93±5% of chemical oxygen demand (COD) removal to 14±11 mg/L, and 74±8% of total ammonia (TA) removal to 12±3 mg-N/L for domestic wastewater (COD of 193±23 mg/L and TA of 49±5 mg-N/L) treatment. Nitrate and nitrite concentrations were always low (< 1 mg-N/L) during continuous flow treatment. Membrane fouling was well controlled by fluidization of the granular activated carbon (GAC) particles (transmembrane pressures maintained <3 kPa). Analysis of the microbial communities suggested that nitrogen removal was due to nitrification and denitrification based on the presence of microorganisms associated with these processes.
    Citation
    Ye Y, Saikaly PE, Logan BE (2017) Simultaneous nitrogen and organics removal using membrane aeration and effluent ultrafiltration in an anaerobic fluidized membrane bioreactor. Bioresource Technology. Available: http://dx.doi.org/10.1016/j.biortech.2017.07.183.
    Sponsors
    This work was supported by grant OSR-2016-CPF-2907-03 from the King Abdullah University of Science and Technology (KAUST).
    Publisher
    Elsevier BV
    Journal
    Bioresource Technology
    DOI
    10.1016/j.biortech.2017.07.183
    PubMed ID
    28800555
    Additional Links
    http://www.sciencedirect.com/science/article/pii/S0960852417312993
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.biortech.2017.07.183
    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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