Selection of suitable fertilizer draw solute for a novel fertilizer-drawn forward osmosis-anaerobic membrane bioreactor hybrid system
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Type
ArticleAuthors
Kim, Youngjin
Chekli, Laura
Shim, Wang-Geun
Phuntsho, Sherub
Li, Sheng

Ghaffour, NorEddine

Leiknes, TorOve

Shon, Ho Kyong
KAUST Department
Biological and Environmental Sciences and Engineering (BESE) DivisionEnvironmental Science and Engineering Program
Water Desalination and Reuse Research Center (WDRC)
Date
2016-02-09Online Publication Date
2016-02-09Print Publication Date
2016-06Permanent link to this record
http://hdl.handle.net/10754/596017
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Show full item recordAbstract
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 TechnologyPublisher
Elsevier BVJournal
Bioresource TechnologyPubMed ID
26898159Additional Links
http://linkinghub.elsevier.com/retrieve/pii/S0960852416301456ae974a485f413a2113503eed53cd6c53
10.1016/j.biortech.2016.02.019
Scopus Count
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