Reverse permeation of weak electrolyte draw solutes in forward osmosis / Jui Shan Yong in Industrial & engineering chemistry research, Vol. 51 N° 41 (Octobre 2012)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 51 N° 41 (Octobre 2012) . - pp. 13463-13472 Titre : Reverse permeation of weak electrolyte draw solutes in forward osmosis Type de document : texte imprimé Auteurs : Jui Shan Yong, Auteur ; William A. Phillip, Auteur ; Menachem Elimelech, Auteur Année de publication : 2012 Article en page(s) : pp. 13463-13472 Langues : Anglais (eng) Mots-clés : Osmosis Weak electrolyte Permeation Résumé : The successful development of forward osmosis relies on the identification of draw solutes that can be easily regenerated, produce high water fluxes, and minimize leakage into the feed solution. One promising draw solute currently under investigation, ammonia―carbon dioxide, is a weak electrolyte. Therefore, in this work, we report a fundamental study on the reverse permeation of a model weak electrolyte draw solute, propanoic acid/propanoate ion, through a commercial cellulose triacetate forward osmosis membrane. Reverse solute flux and permeate water flux were monitored as the draw solution pH was varied from pH 4—7. Draw solutions with pH ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26493640 [article] Reverse permeation of weak electrolyte draw solutes in forward osmosis [texte imprimé] / Jui Shan Yong, Auteur ; William A. Phillip, Auteur ; Menachem Elimelech, Auteur . - 2012 . - pp. 13463-13472. Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 41 (Octobre 2012) . - pp. 13463-13472 Mots-clés : Osmosis Weak electrolyte Permeation Résumé : The successful development of forward osmosis relies on the identification of draw solutes that can be easily regenerated, produce high water fluxes, and minimize leakage into the feed solution. One promising draw solute currently under investigation, ammonia―carbon dioxide, is a weak electrolyte. Therefore, in this work, we report a fundamental study on the reverse permeation of a model weak electrolyte draw solute, propanoic acid/propanoate ion, through a commercial cellulose triacetate forward osmosis membrane. Reverse solute flux and permeate water flux were monitored as the draw solution pH was varied from pH 4—7. Draw solutions with pH ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26493640

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