- Tytuł:
- Transport of transition metal ions through polymer inclusion membranes with Cyanex 301
- Autorzy:
- Ulewicz, M.
- Powiązania:
- https://bibliotekanauki.pl/articles/347064.pdf
- Data publikacji:
- 2004
- Wydawca:
- Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich. Wydział Technologii i Inżynierii Chemicznej
- Tematy:
-
polymer inclusion membrane
zinc(II)
cadmium(II)
copper(II)
cobalt(II)
nickel(II)
Cyanex 301 - Opis:
- The selective transport of zinc(II) and cadmium(II) ions from aqueous chloride or sulfate source phase through polymer inclusion membranes (PIM) containing cellulose triacetate (support), o-nitrophenyl pentyl ether (plasticizer) and di(2,4,4-trimethylpentyl)dithiophosphinic acid - Cyanex 301 (ion carrier) is shown. Zn(II) and Cd(II) ions can be effectively removed from dilute chloride and sulfate aqueous solutions into 1.0 M HCl or H2SO4 as the receiving phase. The separation coefficients were practically constant for acid concentrations in the receiving phase ranging from 0.01 to 1.0 M Copper(II), zinc(II), cadmium(II), cobalt(II), and nickel(II) ions removal from aqueous chloride solutions in transport through PIMs is also shown. These metal ions can be effectively removed from dilute aqueous chloride solutions in transport through PIMs with di(2,4,4-trimethylpentyl)dithiophosphinic acid as the ionic carriers into 1.0 M HCl. The selectivity coefficients of Cu(II) over Zn(II), Cd(II), Co(II) and Ni(II) were low and decreased with an increase in the pH of source aqueous phase.
- Źródło:
-
Ars Separatoria Acta; 2004, 3; 81-88
1731-6340 - Pojawia się w:
- Ars Separatoria Acta
- Dostawca treści:
- Biblioteka Nauki