Recovery of metal ions from electroplating rinse solutions using the Donnan dialysis technique

• Autorzy: Wodzki R. , Sionkowski G. , Hudzik-Pieta T.
• Języki publikacji: EN

Abstrakty

EN

Electroplating rinse solutions contain considerable amounts of multivalent valuable or toxic metal ions. The attempt to recover them was made using the Donnan dialysis (DD) technique, applying a cation-exchange polymer membrane. Laboratory experiments dealing with processing two different solutions containing Zn(ll) [A], or Zn(II), Cu(II), Ni (II), Cr(III) and Fe(III) [B] were carried out. The results demonstrated DD to be efficient for recovering Zn(II) (soln.A) and other multivalent metals (soln.B) in the sequence Ni, Cu>Fe>Zn>Cr. Recovery factors amount to 80-90% and 74-94% for A and B solutions, respectively. The optimum concentration of sulfuric acid in the strip solution ranges from 0.25 to 0.5 M.

Słowa kluczowe

EN

recovery; metal ion; Donnan dialysis technique; heavy metal

• Wydawca: -
• Czasopismo: Polish Journal of Environmental Studies
• Rocznik: 1996
• Tom: 05
• Numer: 4
• Opis fizyczny: p.45-50,fig.,ref.

Twórcy

autor

Wodzki R.

• Nicolaus Copernicus University, 87-100 Torun, Poland

autor

Sionkowski G.

autor

Hudzik-Pieta T.

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