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... (LEM) technology to the industrial scale is hindered by the challenges imposed by stability of the emulsion during the transfer of the solute (pertraction). One of the important factors which leads to the instability is swelling. Emulsion undergoes swelling due to the osmotic gradient across th ...
Desalination 232 (2008)
Selective pertraction of isomers using membranes having fixed cyclodextrin as molecular recognition sites
... moieties. The membrane contactors were prepared by the casting method following crosslinking reaction with hexamethylene diisocyanate (HMDI). Pertraction experiments showed that the transfer of xylenes across the CD-containing membranes was facilitated compared to PVA. The better discriminatio ...
Desalination 193 (2006)
In this paper the multistage membrane pertraction (simultaneous extraction and reextraction) of phenol with linear monoalkyl cyclohexane (lMACH) as a carrier and sodium hydroxide solution as ...
Desalination 162 (2004)
Role of emulsifier in the extraction of gold (III) ions from aqueous solutions using the emulsion liquid membrane technique
... of the carrier has the least effect with a contribution of 2.2% in final result. Keywords: Emulsion; Liquid membrane; Gold; Extraction; Carrier; Pertraction 1. Introduction Solvent extraction has been widely used in the recovery of metals from aqueous solutions . In *Corresponding author. thes ...
Desalination 162 (2004)
... same time, the stripping efficiencies are 71.8% and 85.12% at 8.5 and 28.5 hours, respectively. Desalination 214 (2007) 167–176 Bench-scale pertraction of iodine using a bulk liquid membrane system Betsabe Nabieyan, Ali Kargari, Tahereh Kaghazchi*, Alireza Mahmoudian, Mansoureh Soleiman ...
Desalination 214 (2007)
... is related to the slower kinetics of decomposition of the complex on the stripping interface. An analysis of mass-transfer resistances of Phe in pertraction through SLM showed that decisive resistances are based on the kinetics of chemical reactions of complex formation and decomposition, and thei ...
Desalination 163 (2004)
... with the carrier concentration. This is connected with faster kinetics of the Ag- MF18 complex decomposition. Desalination 148 (2002) 263–265 Pertraction of silver with octylphenylsulfide as carrier in a hollow fiber contactor Rudolf Kertésza*, Štefan Schlossera, Francesc Teixidorb a Departmen ...
Desalination 148 (2002)