Influence of H2O2 and O3 on PGM Extraction from Used Car Catalysts

• Autorzy: Fornalczyk A. , Willner J. , Gajda B. , Sedlakova-Kadukova J.

Identyfikatory

DOI

10.24425/122428

• Języki publikacji: EN

Abstrakty

EN

Catalytic converters contain the catalytic substance in their structure, which is a mixture of Platinum Group Metals (PGMs). The prices of these metals and a growing demand for them in the market, make it necessary to recycle spent catalytic converters and recovery of PGMs. In the study, the effect of ozone and hydrogen peroxide application on the possibility of extracting PGM from used car catalysts was investigated. The catalytic carrier was milled, sieved and then the fractions with the desired grain size were treated with the appropriate HCl mixture and 3%, 5%, 10%, 15% and 30% H₂O₂, respectively, and the tests were also carried out at temperature 333 K. Ozone tests were conducted with the O₃ flow in the range of 1,3,5 g/h. Samples for analysis were collected after 30 min, 1 h, 2 h, 3 h and after 4 h, respectively. The residue after the experiments and filtration process was also analysed. The obtained results confirmed the assumption that PGMs can be extracted using hydrochloric acid with the addition of H₂O₂ or ozone as oxidants. It allows to significantly intensify the carried out reactions and to improve the rate of PGMs transfer to the solution.

Słowa kluczowe

EN

spent catalytic converters; PGM metals; hydrometallurgy; O3; H2O2

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2018
• Tom: Vol. 63, iss. 2
• Strony: 963--968
• Opis fizyczny: Bibliogr. 16 poz., rys., tab., wzory

Twórcy

autor

Fornalczyk A.

• Silesian University of Technology, Faculty of Materials Engineering and Metallurgy, Katowice, Poland

autor

Willner J.

• Silesian University of Technology, Faculty of Materials Engineering and Metallurgy, Katowice, Poland

autor

Gajda B.

• Czestochowa University of Technology, Faculty of Production Engineering and Materials Technology, Częstochowa, Poland

autor

Sedlakova-Kadukova J.

• P. J. Safarik University, Faculty of Science, Kosice, Slovakia

Bibliografia

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Uwagi

EN

1. This paper was created with the financial support of Polish Ministry for Science and Higher Education under internal grant BK111/RM0/2018 (11/990/BK18/0057) for Department of Extractive Metallurgy and Environmental Protection, Silesian University of Technology, Poland.

PL

2. Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).