AMBIENTUM BIOETHICA BIOLOGIA CHEMIA DIGITALIA DRAMATICA EDUCATIO ARTIS GYMNAST. ENGINEERING EPHEMERIDES EUROPAEA GEOGRAPHIA GEOLOGIA HISTORIA HISTORIA ARTIUM INFORMATICA IURISPRUDENTIA MATHEMATICA MUSICA NEGOTIA OECONOMICA PHILOLOGIA PHILOSOPHIA PHYSICA POLITICA PSYCHOLOGIA-PAEDAGOGIA SOCIOLOGIA THEOLOGIA CATHOLICA THEOLOGIA CATHOLICA LATIN THEOLOGIA GR.-CATH. VARAD THEOLOGIA ORTHODOXA THEOLOGIA REF. TRANSYLVAN
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Autori: ALEXANDRU GORAN, HUSSAM NADUM ABDALRAHEEM AL-ANI, ALEXANDRA-RALUCA GROSU, GEANI TEODOR MAN, VLAD-ALEXANDRU GROSU, AURELIA CRISTINA NECHIFOR.
DOI: 10.24193/subbchem.2023.2.13
Published Online: 2023-06-30
Published Print: 2023-07-30
pp. 193-206
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Although batteries containing heavy metals and toxic chemicals, including lead and cadmium, are supposed to be selectively collected, they still end up on municipal waste processing platforms. The separation of cadmium and lead ions is a problem that is circumscribed to the development of urban mining. This paper presents the recuperative separation of lead and cadmium ions by a composite membrane based on chitosan (Chi), sulfonated ethylene–propylene–diene terpolymer (sEPDM), and polypropylene hollow fiber (PPyHF). The performances of selected membranes are presented comparatively, both from the point of view of the morpho-structural characteristics, as well as of the performances in the target ion separation process, with recently reported results obtained with composite membranes based on chitosan.
Keywords: membranes, composite membranes, chitosan, sEPDM, hollow fiber, cadmium separation, lead separation.
