Szczegóły publikacji
Opis bibliograficzny
Kinetic study of the photoelectrochemical gold recovery from diluted chloride solutions — Badania kinetyczne procesu odzysku złota z rozcieńczonych roztworów chlorkowych metodą fotoelektrochemiczną / M. WOJNICKI, T. TOKARSKI, P. KWOLEK // Archives of Metallurgy and Materials / Polish Academy of Sciences. Committee of Metallurgy. Institute of Metallurgy and Materials Science ; ISSN 1733-3490. — 2013 — vol. 58 iss. 3, s. 709–716. — Bibliogr. s. 716
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Dane bibliometryczne
| ID BaDAP | 74347 |
|---|---|
| Data dodania do BaDAP | 2013-07-05 |
| DOI | 10.2478/amm-2013-0059 |
| Rok publikacji | 2013 |
| Typ publikacji | artykuł w czasopiśmie |
| Otwarty dostęp |  |
| Czasopismo/seria | Archives of Metallurgy and Materials |
Abstract
Au(III) was recovered from an acidic aqueous solution via a photoreduction technique under UV light irradiation. Titanium dioxide nanopowder was applied as a photocatalyst. Gold was deposited onto TiO2 surface in the form of nanoparticles with average dimensions between 20 and 30 nm. The influence of the Au(III), TiO2 and methanol initial concentrations on the reaction rate was determined. It was shown, that the rate of the gold photoreduction strongly depends on the concentration of TiO2 and methanol. The recovery of gold from the diluted acidic solutions containing as much as 1.97 and 0.197 mg/dm(3) of Au(III) was also carried out. Obtained results suggest, that it is possible to recover about 45% of gold. Besides the losses during the filtration process due to the application of very fine TiO2 particles, oxygen dissolved in the solution as well as the hydrogen ions may take part in parasitic reactions and thus decrease the Au yield.