Nicolas Fatin-Rouge, Alexandra Dupont, Alain Vidonne, Jérome Dejeu, Patrick Fievet, Alain Foissy
Abstract:The removal of divalent metal ions from hard waters or galvanic wastewater by polymer-assisted membrane filtration using alginate was investigated. The ability of this natural polymer to form aggregates and gels in presence of metal ions was studied, in order to carry out metal removal by ultra or micro-filtration. Alginate titrations have shown the presence of amine groups in addition to carboxylates onto the polymer backbone. The binding properties of alginate with divalent cations have been studied, showing…
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