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Extraction of nickel from nickel alloy by carbonylation

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Abstract

Carbonylation refining technology has been used to extract nickel from nickel alloy. Before carbonylation, roasting and size reduction is used as a pre-treatment method, and re-activation with H2 is needed. During carbonylation, the addition of H2S helps to activate the nickel surface and improve the extraction rate. The supply of H2S does not necessarily need to be continuous. The optimum parameters for extraction of nickel are a carbonylation temperature of 70 °C, pressure of 10 bar, flow rate of 0.25–0.35 L/min and mixture of CO and H2S as carbonylation agent. The best extraction rate of nickel can reach 99%.

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Acknowledgments

Duodong Wang wishes to acknowledge funding support from the auspice plan of the new century for excellent specialist (No. NCET-05-0692) (China) of China and thanks Dmitri Terekhov, Ph.D. in research and development of Canada.

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Authors and Affiliations

  1. School of Metallurgical Science and Engineering, Central South University, Changsha, 410083, China

    Duodong Wang, Ailiang Chen, Zhongwei Zhao & Guangsheng Huo

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  1. Duodong Wang
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  2. Ailiang Chen
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  3. Zhongwei Zhao
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  4. Guangsheng Huo
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Correspondence to Zhongwei Zhao.

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Wang, D., Chen, A., Zhao, Z. et al. Extraction of nickel from nickel alloy by carbonylation. Transition Met Chem 34, 313–316 (2009). https://doi.org/10.1007/s11243-009-9196-x

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  • DOI: https://doi.org/10.1007/s11243-009-9196-x

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