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

被引:65
作者
Kim, Youngjin [1 ,2 ]
Chekli, Laura [1 ]
Shim, Wang-Geun [1 ]
Phuntsho, Sherub [1 ]
Li, Sheng [3 ]
Ghaffour, Noreddine [3 ]
Leiknes, TorOve [3 ]
Shon, Ho Kyong [1 ]
机构
[1] Univ Technol Sydney, Sch Civil & Environm Engn, Post Box 129, Broadway, NSW 2007, Australia
[2] Korea Univ, Sch Civil Environm & Architectural Engn, 1-5 Ga, Seoul 136713, South Korea
[3] King Abdullah Univ Sci & Technol, Water Desalinat & Reuse Ctr, Biol & Enviromental Sci & Engn Div BESE, Thuwal 239556900, Saudi Arabia
关键词
Fertilizer-drawn forward osmosis; Anaerobic osmotic membrane bioreactor; Bio-methane potential; OMBR simulation; Draw solution selection; WASTE-WATER TREATMENT; REVERSE; DESALINATION; RECOVERY; FERTIGATION; PERFORMANCE; MECHANISMS; DIFFUSION; TRANSPORT; DIGESTION;
D O I
10.1016/j.biortech.2016.02.019
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
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 sulfate 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 sulfate to anaerobic microorganisms, MAP appears to be the most suitable draw solution for AnFDFOMBR. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码:26 / 34
页数:9
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