Recovery of platinum from the spent auto-catalysts by pyrometallurgy

The present article introduce a method of pyrometallurgy to recovery platinum from spent auto-catalysts. In the paper, the effect of binary basicity R (R=CaO/SiO2) of slag and the parameters of smelting process such as temperature and time of smelting on platinum recovery were researched. The result...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2019-02, Vol.479 (1), p.12058
Main Authors: Liu, C, Sun, S C, Zhu, X P, Tu, G F, Zhang, J Y
Format: Article
Language:English
Subjects:
Basicity
Catalysts
Metallurgy
Platinum
Process parameters
Pyrometallurgy
Recovery
Silicon dioxide
Smelting
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Summary:The present article introduce a method of pyrometallurgy to recovery platinum from spent auto-catalysts. In the paper, the effect of binary basicity R (R=CaO/SiO2) of slag and the parameters of smelting process such as temperature and time of smelting on platinum recovery were researched. The results of this study show the platinum recovery is higher when R should be around 0.5 and smelting temperature of 1773 K as well as smelting time of 4 hours. Under the optimum condition, the recovery rate of platinum is up to 98% by the method presented.
ISSN:1757-8981
1757-899X
1757-899X
DOI:10.1088/1757-899X/479/1/012058