Vapour Treatment Method Against Other Pyro- and Hydrometallurgical Processes Applied to Recover Platinum From Used Auto Catalytic Converters |
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引用本文: | Agnieszka FORNALCZYK,Mariola SATERNUS. Vapour Treatment Method Against Other Pyro- and Hydrometallurgical Processes Applied to Recover Platinum From Used Auto Catalytic Converters[J]. 金属学报(英文版), 2013, 0(3): 247-256 |
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作者姓名: | Agnieszka FORNALCZYK Mariola SATERNUS |
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作者单位: | Silesian University of Technology, Metallurgy Department, ul. Krasinskiego 8, 40-019 Katowice, Poland |
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基金项目: | Polish Ministry of Science and Higher Education (Contract No. N N508 3811 33 and No. N N508 6255 40) |
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摘 要: | Today more and more cars are produced every year. All of them have to be equipped with catalytic converters, the main role of which is to obtain substances harmless to the environment instead of exhausted gases. Catalytic converters contain platinum group metals (PGM) especially platinum, palladium and rhodium. The price of these metals and their increasing demand are the reasons why today it is necessary to recycle used auto catalytic converters. There are many available methods of recovering PGM metals from them, especially platinum. These methods used mainly hydrometallurgical processes; however pyrometallurgical ones become more and more popular. The article presents results of the research mainly concerning pyrometallurgical processes. Two groups of research were carried out. In the first one different metals such as lead, magnesium and copper were used as a metal collector. During the tests, platinum went to those metals forming an alloy. In other research metal vapours were blown through catalytic converter carrier (grinded or whole). In the tests metals such as calcium, magnesium, cadmium and zinc were applied. As a result white or grey powder (metal plus platinum) was obtained. The tables present results of the research. Processing parameters and conclusions are also shown. To compare efficiency of pyrometallurgical and hydrometallurgical methods catalytic converter carrier and samples of copper with platinum obtained from pyrometallurgical method were solved in aqua regia, mixture of aqua regia and fluoric acid.
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关 键 词: | Used catalytic converters PGM Platinum Recovery Pyrometallurgy Hydrometallurgy |
Vapour Treatment Method Against Other Pyro-and Hydrometallurgical Processes Applied to Recover Platinum From Used Auto Catalytic Converters |
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Affiliation: | Agnieszka FORNALCZYK and Mariola SATERNUS Silesian University of Technology, Metallurgy Department, ul. Krasinskiego 8, 40-019 Katowice, Poland |
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