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Application of pseudo-emulsion based hollow fiber strip dispersion (PEHFSD) for recovery of Cr(III) from alkaline solutions

AuthorsAlguacil, Francisco José; Alonso Gámez, Manuel; López Gómez, Félix Antonio ; López-Delgado, Aurora
KeywordsChromium (III)
Pseudo-emulsion based hollow fiber strip dispersion (PEHFSD)
Issue Date7-May-2009
CitationSeparation and Purification Technology 66 (3) : 586-590 (2009)
AbstractThe permeation of chromium (III) using pseudo-emulsion based hollow fiber strip dispersion (PEHFSD) technology and the quaternary ammonium salt trioctyl methylammonium chloride (TOMACl) dissolved in n-decane as mobile carrier has been investigated. Factors affecting chromium permeability, such as hydrodynamic conditions, carrier concentration in the organic phase, metal and NaOH concentrations in the feed phase, etc., have been analyzed. The value of the overall permeation coefficient obtained under standard experimental conditionswas 4.0×10−4 cms−1. Mass transfer modellingwas performed and the aqueous and membrane resistances were estimated as 1066 and (1.7–17)×103 s cm−1, respectively.
Publisher version (URL)http://dx.doi.org/10.1016/j.seppur.2009.01.012
Appears in Collections:(CENIM) Artículos
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