Studies on the Formation of Catalytically Active PGM Nanoparticles from Model Solutions as a Basis for the Recycling of Spent Catalysts
The paper presents basic studies on the precipitation of platinum, palladium, rhodium, and ruthenium nanoparticles from model acidic solutions using sodium borohydride, ascorbic acid, and sodium formate as reducing agents and polyvinylpyrrolidone as a stabilizing agent. The size of the obtained PGM...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-01-01
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| Series: | Molecules |
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| Online Access: | https://www.mdpi.com/1420-3049/27/2/390 |
| _version_ | 1797491559933935616 |
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| author | Martyna Rzelewska-Piekut Zuzanna Wiecka Magdalena Regel-Rosocka |
| author_facet | Martyna Rzelewska-Piekut Zuzanna Wiecka Magdalena Regel-Rosocka |
| author_sort | Martyna Rzelewska-Piekut |
| collection | DOAJ |
| description | The paper presents basic studies on the precipitation of platinum, palladium, rhodium, and ruthenium nanoparticles from model acidic solutions using sodium borohydride, ascorbic acid, and sodium formate as reducing agents and polyvinylpyrrolidone as a stabilizing agent. The size of the obtained PGM particles after precipitation with NaBH<sub>4</sub> solution does not exceed 55 nm. NaBH<sub>4</sub> is an efficient reducer; the precipitation yields for Pt, Pd, Ru, Rh are 75, 90, 65 and 85%, respectively. By precipitation with ascorbic acid, it is possible to efficiently separate Pt, Rh, and Ru from Pd from the two-component mixtures. The obtained Pt, Pd, and Rh precipitates have the catalytic ability of the catalytic reaction of p-nitrophenol to p-aminophenol. The morphological characteristic of the PGM precipitates was analyzed by AFM, SEM-EDS, and TEM. |
| first_indexed | 2024-03-10T00:51:01Z |
| format | Article |
| id | doaj.art-8167b2dd66cb46c3bf8288bf82e89675 |
| institution | Directory Open Access Journal |
| issn | 1420-3049 |
| language | English |
| last_indexed | 2024-03-10T00:51:01Z |
| publishDate | 2022-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Molecules |
| spelling | doaj.art-8167b2dd66cb46c3bf8288bf82e896752023-11-23T14:51:14ZengMDPI AGMolecules1420-30492022-01-0127239010.3390/molecules27020390Studies on the Formation of Catalytically Active PGM Nanoparticles from Model Solutions as a Basis for the Recycling of Spent CatalystsMartyna Rzelewska-Piekut0Zuzanna Wiecka1Magdalena Regel-Rosocka2Institute of Chemical Technology and Engineering, Poznan University of Technology, ul. Berdychowo 4, 60-965 Poznań, PolandInstitute of Chemical Technology and Engineering, Poznan University of Technology, ul. Berdychowo 4, 60-965 Poznań, PolandInstitute of Chemical Technology and Engineering, Poznan University of Technology, ul. Berdychowo 4, 60-965 Poznań, PolandThe paper presents basic studies on the precipitation of platinum, palladium, rhodium, and ruthenium nanoparticles from model acidic solutions using sodium borohydride, ascorbic acid, and sodium formate as reducing agents and polyvinylpyrrolidone as a stabilizing agent. The size of the obtained PGM particles after precipitation with NaBH<sub>4</sub> solution does not exceed 55 nm. NaBH<sub>4</sub> is an efficient reducer; the precipitation yields for Pt, Pd, Ru, Rh are 75, 90, 65 and 85%, respectively. By precipitation with ascorbic acid, it is possible to efficiently separate Pt, Rh, and Ru from Pd from the two-component mixtures. The obtained Pt, Pd, and Rh precipitates have the catalytic ability of the catalytic reaction of p-nitrophenol to p-aminophenol. The morphological characteristic of the PGM precipitates was analyzed by AFM, SEM-EDS, and TEM.https://www.mdpi.com/1420-3049/27/2/390platinum group metals (PGM)platinum(IV)palladium(II)rhodium(III)ruthenium(III)PGM nanoparticles |
| spellingShingle | Martyna Rzelewska-Piekut Zuzanna Wiecka Magdalena Regel-Rosocka Studies on the Formation of Catalytically Active PGM Nanoparticles from Model Solutions as a Basis for the Recycling of Spent Catalysts Molecules platinum group metals (PGM) platinum(IV) palladium(II) rhodium(III) ruthenium(III) PGM nanoparticles |
| title | Studies on the Formation of Catalytically Active PGM Nanoparticles from Model Solutions as a Basis for the Recycling of Spent Catalysts |
| title_full | Studies on the Formation of Catalytically Active PGM Nanoparticles from Model Solutions as a Basis for the Recycling of Spent Catalysts |
| title_fullStr | Studies on the Formation of Catalytically Active PGM Nanoparticles from Model Solutions as a Basis for the Recycling of Spent Catalysts |
| title_full_unstemmed | Studies on the Formation of Catalytically Active PGM Nanoparticles from Model Solutions as a Basis for the Recycling of Spent Catalysts |
| title_short | Studies on the Formation of Catalytically Active PGM Nanoparticles from Model Solutions as a Basis for the Recycling of Spent Catalysts |
| title_sort | studies on the formation of catalytically active pgm nanoparticles from model solutions as a basis for the recycling of spent catalysts |
| topic | platinum group metals (PGM) platinum(IV) palladium(II) rhodium(III) ruthenium(III) PGM nanoparticles |
| url | https://www.mdpi.com/1420-3049/27/2/390 |
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