Abstract
It is well known that the gold ores containing a high content of arsenic and antimony are very refractory. In this paper, the adverse effect of antimony on the extraction of gold by pretreatment-cyanide leaching was discussed in detail. Moreover, these processes of removing and recovering antimony from alkaline sodium sulfide or hydrochloric acid systems were introduced. Last but not the least, a novel cleaning technology for recovering antimony from refractory gold ores was proposed. Antimony was dissolved into the solution with sodium sulfide and sodium hydroxide as leaching agents. And then pressure oxidation technology was applied to prepare sodium pyroantimonate from sodium thioantimonite solutions. This process is more promising owing to its high removal ratio of antimony, low production cost and environment friendly, which provides a positive guidance for the extraction of antimony from antimonial refractory gold ores.
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Acknowledgements
The financial support from Young Scientists Fund of National Natural Science Foundation of China (Grant No. 51404296) is gratefully acknowledged.
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© 2017 The Minerals, Metals & Materials Society
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Liu, W., Fu, X., Rao, S., Yang, T., Zhang, D., Chen, L. (2017). Selection on the Process for Removing and Recovering Antimony from Antimonial Refractory Gold Ores. In: Ikhmayies, S., et al. Characterization of Minerals, Metals, and Materials 2017. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-51382-9_53
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DOI: https://doi.org/10.1007/978-3-319-51382-9_53
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