Optimization of Magnetic Nanoparticles Draw Solution for High Water Flux in Forward Osmosis

In this study, bare iron oxide nanoparticles were synthesized using a co-precipitation method and used as a draw solute in forward osmosis. The synthesis conditions of the nanoparticles were optimized using the Box-Behnken method to increase the water flux of the forward osmosis process. The studied...

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Bibliographic Details
Published in:Water (Basel) 2021-12, Vol.13 (24), p.3653
Main Authors: Hafiz, MhdAmmar, Talhami, Mohammed, Ba-Abbad, Muneer M., Hawari, Alaa H.
Format: Article
Language:English
Subjects:
Ammonia
Chemical precipitation
Coprecipitation
Desalination
Design
Energy consumption
Factorial experiments
Fluctuations
Iron oxides
Membrane separation
Nanoparticles
Optimization
Osmosis
Prediction models
Process parameters
Reaction time
Urine
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Summary:In this study, bare iron oxide nanoparticles were synthesized using a co-precipitation method and used as a draw solute in forward osmosis. The synthesis conditions of the nanoparticles were optimized using the Box-Behnken method to increase the water flux of the forward osmosis process. The studied parameters were volume of ammonia solution, reaction temperature, and reaction time. The optimum reaction conditions were obtained at reaction temperature of 30 °C, reaction time of 2.73 h and 25.3 mL of ammonia solution. The water flux from the prediction model was found to be 2.06 LMH which is close to the experimental value of 1.98 LMH. The prediction model had high correlation factors (R2 = 98.82%) and (R2adj = 96.69%). This study is expected to be the base for future studies aiming at developing magnetic nanoparticles draw solution using co-precipitation method.
ISSN:2073-4441
2073-4441
DOI:10.3390/w13243653