Hydrometallurgical recovery of platinum group metals from spent automotive converters

• Autorzy: Rzelewska-Piekut Martyna , Paukszta Dominik , Regel-Rosocka Magdalena

Identyfikatory

DOI

10.37190/ppmp/132779

• Języki publikacji: EN

Abstrakty

EN

This work presents studies on the recovery of platinum group metals (PGM), especially platinum and rhodium, from spent automotive converters using hydrometallurgical techniques such as leaching and liquid-liquid extraction. The XRD analysis confirmed the presence of indialite – the high temperature hexagonal form of cordierite (the main catalyst building material) in the solid samples. The influence of time and temperature on the leaching of PGM from spent automotive converters was investigated. The largest amounts of Pt(IV) and Rh(III) were leached with freshly prepared aqua regia and a mixture of HCl, H<sub2 </sub>SO₄, and H₂O₂. Further, liquid-liquid extraction with quaternary phosphonium ionic liquid (Cyphos IL 101) was applied to recover PGM from the leach solutions (after leaching with a mixture of HCl, H₂SO₄, and H₂O₂) and to separate Pt(IV) from Rh(III).

Słowa kluczowe

EN

leaching; platinum group metals; PGM; recovery; spent automotive converters; liquid extraction; ionic liquid; Cyphos IL 101

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2021
• Tom: Vol. 57, iss. 2
• Strony: 83--94
• Opis fizyczny: Bibliogr. 31 poz., rys., tab., wykr.

Twórcy

autor

Rzelewska-Piekut Martyna

• Poznan University of Technology, Institute of Chemical Technology and Engineering, ul. Berdychowo 4, 60-965 Poznan, Poland

• https://orcid.org/0000-0002-6203-3516

autor

Paukszta Dominik

• Poznan University of Technology, Institute of Chemical Technology and Engineering, ul. Berdychowo 4, 60-965 Poznan, Poland

autor

Regel-Rosocka Magdalena

• Poznan University of Technology, Institute of Chemical Technology and Engineering, ul. Berdychowo 4, 60-965 Poznan, Poland

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).