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2019 | nr 3 | 105--113
Tytuł artykułu

Efficiency of the Palladium(II) Ions Removal from Acidic Media in the Extraction-Stripping Process

Warianty tytułu
Efektywność usuwania jonów palladu(II) z roztworów kwaśnych w procesie ekstrakcji-reekstrakcji
Języki publikacji
EN
Abstrakty
W ostatnich latach można zauważyć wzrost zainteresowania metalami szlachetnymi, zwłaszcza takimi jak pallad(II), rod(III), złoto(III) i platyna(IV) głównie ze względu na ich szerokie zastosowanie w przemyśle. Różnicę między popytem a naturalnymi, bardzo ograniczonymi, złożami tych metali szlachetnych uzupełnia się wykorzystując recykling zużytych materiałów zawierających te cenne metale. Recykling odpadów jest zatem uzasadniony nie tylko ze względu na wpływ, jaki źle zarządzane odpady mogą mieć na środowisko, ale także ze względu na jego opłacalność związaną z możliwością odzyskiwania cennych składników, w tym metali szlachetnych. Odzyskiwanie cennych metali metodami hydrometalurgicznymi stanowi, od dwóch dekad, obszar najbardziej intensywnych badań w dziedzinie technik mokrych. Ekstrakcja rozpuszczalnikowa jest stosowana w procesach hydrometalurgiicznych, ponieważ pozwala na usuwanie metali szlachetnych ze źródeł o niskim stężeniu. Ponadto oferuje ona szereg zalet takich jak wysoka selektywność i czystość metalu. Celem pracy było określenie skuteczności usuwania jonów palladu(II) z kwaśnych roztworów wodnych w procesie ekstrakcji-reekstrakcji. (abstrakt oryginalny)
EN
In recent years, there is a notable increase in the interest in precious metals (PMs), especially palladium(II), rhodium(III), gold(III) and platinum(IV) because of a wide range of their industrial applications. Therefore recovery of precious metals from spent materials is very important to replenish a gap between the demand and the limited supply from natural resources. Recycling of waste materials is perfectly legitimate, not only due to the impact that the ill-managed waste may have on the environment, but also because of its profitability in view of the possibility of recovery of valuable components, including precious metals. Hydrometallurgical processing of waste materials has been the area of the most intensive research in the field of wet techniques for the last two decades. Solvent extraction in hydrometallurgical processing is a suitable method for removal of PMs from low concentrated sources, because it offers a number of advantages such as: high selectivity and metal purity. Besides, more efficient removal of metals is possible by the use of extraction-stripping processes. The aim o f this work was the determine t he efficiency of t he palladium(II) ions removal from acidic aqueous solutions in the extraction-stripping process. (original abstract)
Rocznik
Numer
Strony
105--113
Opis fizyczny
Twórcy
  • Poznań University of Economics and Business
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.ekon-element-000171573852

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