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Highly water-soluble magnetic nanoparticles as novel draw solutes in forward osmosis for water reuse / Ming Ming Ling in Industrial & engineering chemistry research, Vol. 49 N° 12 (Juin 2010) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 49 N° 12 (Juin 2010) . - pp. 5869–5876 Titre : Highly water-soluble magnetic nanoparticles as novel draw solutes in forward osmosis for water reuse Type de document : texte imprimé Auteurs : Ming Ming Ling, Auteur ; Kai Yu Wang, Auteur ; Tai-Shung Chung, Auteur Année de publication : 2010 Article en page(s) : pp. 5869–5876 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Magnetic  nanoparticles  Highly  water-soluble  magnetic  nanoparticles Résumé : Highly hydrophilic magnetic nanoparticles have been molecularly designed. For the first time, the application of highly water-soluble magnetic nanoparticles as novel draw solutes in forward osmosis (FO) was systematically investigated. Magnetic nanoparticles functionalized by various groups were synthesized to explore the correlation between the surface chemistry of magnetic nanoparticles and the achieved osmolality. We verified that magnetic nanoparticles capped with polyacrylic acid can yield the highest driving force and subsequently highest water flux among others. The used magnetic nanoparticles can be captured by the magnetic field and recycled back into the stream as draw solutes in the FO process. In addition, magnetic nanoparticles of different diameters were also synthesized to study the effect of particles size on FO performance. We demonstrate that the engineering of surface hydrophilicity and magnetic nanoparticle size is crucial in the application of nanoparticles as draw solutes in FO. It is believed that magnetic nanoparticles will soon be extensively used in this area. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie100438x [article] Highly water-soluble magnetic nanoparticles as novel draw solutes in forward osmosis for water reuse [texte imprimé] / Ming Ming Ling, Auteur ; Kai Yu Wang, Auteur ; Tai-Shung Chung, Auteur . - 2010 . - pp. 5869–5876. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 49 N° 12 (Juin 2010) . - pp. 5869–5876 Mots-clés : Magnetic  nanoparticles  Highly  water-soluble  magnetic  nanoparticles Résumé : Highly hydrophilic magnetic nanoparticles have been molecularly designed. For the first time, the application of highly water-soluble magnetic nanoparticles as novel draw solutes in forward osmosis (FO) was systematically investigated. Magnetic nanoparticles functionalized by various groups were synthesized to explore the correlation between the surface chemistry of magnetic nanoparticles and the achieved osmolality. We verified that magnetic nanoparticles capped with polyacrylic acid can yield the highest driving force and subsequently highest water flux among others. The used magnetic nanoparticles can be captured by the magnetic field and recycled back into the stream as draw solutes in the FO process. In addition, magnetic nanoparticles of different diameters were also synthesized to study the effect of particles size on FO performance. We demonstrate that the engineering of surface hydrophilicity and magnetic nanoparticle size is crucial in the application of nanoparticles as draw solutes in FO. It is believed that magnetic nanoparticles will soon be extensively used in this area. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie100438x

Surface-dissociated nanoparticle draw solutions in forward osmosis and the regeneration in an integrated electric field and nanofiltration system / Ming Ming Ling in Industrial & engineering chemistry research, Vol. 51 N° 47 (Novembre 2012) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 51 N° 47 (Novembre 2012) . - pp. 15463-15471 Titre : Surface-dissociated nanoparticle draw solutions in forward osmosis and the regeneration in an integrated electric field and nanofiltration system Type de document : texte imprimé Auteurs : Ming Ming Ling, Auteur ; Tai-Shung Chung, Auteur Année de publication : 2013 Article en page(s) : pp. 15463-15471 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Membrane  separation  Nanofiltration  Electric  field  Osmosis  Nanoparticle Résumé : Draw solutions of surface-dissociated nanoparticles in forward osmosis (FO) processes and their regeneration through an integrated electric field-nanofiltration system for water reclamation were explored for the first time. Nanoparticles of 20 nm in diameter were functionalized with different surface chemistries to systematically investigate the effects on the FO performance. Experimental results showed that the draw solutions of surface-dissociated nanoparticle prepared with alkalis exhibited higher osmotic driving forces. Compared to salt base draw solutes, the advantage of surface-dissociated nanoparticle draw solutes exhibits no reverse flux across the FO membrane. The diluted draw solution of surface-dissociated nanoparticles can be readily recovered via an integrated electric field and nanofiltration system with sustainable regeneration efficiency. Our preliminary results suggest the potential of surface-dissociated nanoparticles as draw solutes in FO for water reuse. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26679667 [article] Surface-dissociated nanoparticle draw solutions in forward osmosis and the regeneration in an integrated electric field and nanofiltration system [texte imprimé] / Ming Ming Ling, Auteur ; Tai-Shung Chung, Auteur . - 2013 . - pp. 15463-15471. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 47 (Novembre 2012) . - pp. 15463-15471 Mots-clés : Membrane  separation  Nanofiltration  Electric  field  Osmosis  Nanoparticle Résumé : Draw solutions of surface-dissociated nanoparticles in forward osmosis (FO) processes and their regeneration through an integrated electric field-nanofiltration system for water reclamation were explored for the first time. Nanoparticles of 20 nm in diameter were functionalized with different surface chemistries to systematically investigate the effects on the FO performance. Experimental results showed that the draw solutions of surface-dissociated nanoparticle prepared with alkalis exhibited higher osmotic driving forces. Compared to salt base draw solutes, the advantage of surface-dissociated nanoparticle draw solutes exhibits no reverse flux across the FO membrane. The diluted draw solution of surface-dissociated nanoparticles can be readily recovered via an integrated electric field and nanofiltration system with sustainable regeneration efficiency. Our preliminary results suggest the potential of surface-dissociated nanoparticles as draw solutes in FO for water reuse. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26679667