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The separation of metals from aqueous streams by continuous polyrner enhanced ultrafiltration (PEUF) was modelled
in order to understand, evaluate and optimise the feasibility of the process. The mathematical model developed
has three sections: mass balances, equilibriurn of rnetal-polymer complexation and rules for UF membrane
separation. On the one hand, the modeJ allows an examination of the influence of physico-chernical variables
(affinity between the metal ion and the complexing polyrner groups) and engineering parameters (rnainly expended
acid and base reagents, amount of polymer used and recyc1ing strearn flow) on the quality and productivity
of the treated water stream. On the other band, a' suitable representation of the simulation results has been
shown to be helpful in choosing operation pararneter values that Iead to the stable output oftreated water with the
desired quality and productivity.
CitationSabate, J. [et al.]. Continuous metal recovery process using polymer enhanced ultrafiltration. "Filtration", 2007, vol. 7, p. 248-250.
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