EXPERIMENTAL MODELING OF PLATINUM SORPTION ON ORGANIC MATTER
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dc.contributor.author | Plyusnina L.P. | |
dc.contributor.author | Kyz'mina T.V. | |
dc.contributor.author | Likhoidov G.G. | |
dc.contributor.author | Narnov G.A. | |
dc.date.accessioned | 2021-01-29T03:39:17Z | |
dc.date.available | 2021-01-29T03:39:17Z | |
dc.date.issued | 2000 | |
dc.identifier | https://elibrary.ru/item.asp?id=13359725 | |
dc.identifier.citation | Applied Geochemistry, 2000, 15, 6, 777-784 | |
dc.identifier.issn | 0883-2927 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/23951 | |
dc.description.abstract | In connection with the discovery of a new type of Pt deposit in low-rank brown coals and black shales, the interaction of Pt-bearing aqueous solutions with fractionated organic matter (asphaltenes and asphaltenic acids) was studied at 200–400°C and 1 kbar total pressure. It was found that chemical sorption onto the organic matter lowers Pt content in the aqueous solutions by about two orders of magnitude relative to organic-free systems. Thermal maturation of the asphaltenes leads to its aromatization and concomitant sorption of Pt from n×10−4 mPt (mol per kg of dry matter) at 200°C to n×10−2 mPt at 400°C. Thus, the Pt chemisorption on activated carbonized organic matter may be an effective mechanism of Pt accumulation in C-bearing rocks. | |
dc.title | EXPERIMENTAL MODELING OF PLATINUM SORPTION ON ORGANIC MATTER | |
dc.type | Статья |
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