Effect of Surfactant Properties on the Performance of Forward Osmosis Membrane Process

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Wastewater treatments such as forward osmosis (FO) can be widely applied to separate or the reject substances from secondary treated effluents. Experimental studies have investigated the influence of membrane fouling and operating conditions. The performance of FO is affected by membrane fouling characteristics, composition of the feed solution and operating conditions. The experiments were performed using an osmotic membrane (FO-4040) to investigate the influences of operating conditions on water flux and reverse salt selectivity. The surfactant content, cross-flow velocity, and pH of the feed solution were systematically investigated for their effects on FO performance. The results showed that higher cross-flow velocities, increase of the pH of the feed solution, and adding surfactant into the feed solution yielded higher water fluxes. Reverse salt selectivity also increased after adding a surfactant to the feed solution but showed no significant increase at higher surfactant concentrations.
Publisher
POLISH SOC ECOLOGICAL ENGINEERING
Issue Date
2020-11
Language
English
Article Type
Article
Citation

JOURNAL OF ECOLOGICAL ENGINEERING, v.21, no.8, pp.10 - 17

ISSN
2081-139X
DOI
10.12911/22998993/127432
URI
http://hdl.handle.net/10203/277002
Appears in Collection
CE-Journal Papers(저널논문)
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