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    Selection of suitable fertilizer draw solute for a novel fertilizer-drawn forward osmosis-anaerobic membrane bioreactor hybrid system

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    Type
    Article
    Authors
    Kim, Youngjin cc
    Chekli, Laura
    Shim, Wang-Geun
    Phuntsho, Sherub
    Li, Sheng cc
    Ghaffour, NorEddine cc
    Leiknes, TorOve cc
    Shon, Ho Kyong
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Environmental Science and Engineering Program
    Water Desalination and Reuse Research Center (WDRC)
    Date
    2016-02-09
    Online Publication Date
    2016-02-09
    Print Publication Date
    2016-06
    Permanent link to this record
    http://hdl.handle.net/10754/596017
    
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    Abstract
    In this study, a protocol for selecting suitable fertilizer draw solute for anaerobic fertilizer-drawn forward osmosis membrane bioreactor (AnFDFOMBR) was proposed. Among eleven commercial fertilizer candidates, six fertilizers were screened further for their FO performance tests and evaluated in terms of water flux and reverse salt flux. Using selected fertilizers, bio-methane potential experiments were conducted to examine the effect of fertilizers on anaerobic activity due to reverse diffusion. Mono-ammonium phosphate (MAP) showed the highest biogas production while other fertilizers exhibited an inhibition effect on anaerobic activity with solute accumulation. Salt accumulation in the bioreactor was also simulated using mass balance simulation models. Results showed that ammonium sulphate and MAP were the most appropriate for AnFDFOMBR since they demonstrated less salt accumulation, relatively higher water flux, and higher dilution capacity of draw solution. Given toxicity of sulphate to anaerobic microorganisms, MAP appears to be the most suitable draw solution for AnFDFOMBR.
    Citation
    Selection of suitable fertilizer draw solute for a novel fertilizer-drawn forward osmosis-anaerobic membrane bioreactor hybrid system 2016 Bioresource Technology
    Publisher
    Elsevier BV
    Journal
    Bioresource Technology
    DOI
    10.1016/j.biortech.2016.02.019
    PubMed ID
    26898159
    Additional Links
    http://linkinghub.elsevier.com/retrieve/pii/S0960852416301456
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.biortech.2016.02.019
    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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