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Optimization Study of Operation Parameters for Extracting \(\hbox {Cu}^{2+}\) from Sulfuric Solution Containing \(\hbox {Co}^{2+}\) with LIX984N in a Laminar Microchip

  • Research Article - Chemical Engineering
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Abstract

Copper and cobalt usually coexist in the leachate of waste lithium ion batteries, sea nodules and other copper ore or by-product. Conventional methods for the separation of copper and cobalt hardly avoid some defects, such as longer extraction time, co-extraction and too many stages. In this paper, a microfluidic extraction procedure for simultaneously separating copper \((\hbox {Cu}^{2+})\) and cobalt \((\hbox {Co}^{2+})\) ions in a microchannel was investigated. In addition, some key operation parameters, such as initial pH, volume flow rate and extractant concentration, were optimized by a method of response surface methodology (RSM). The result showed that under the optimized operation parameters of initial pH of 2.5, volume flow rate of \(0.035~\hbox {mL}~\hbox {min}^{-1}\) and extractant concentration of 17.36%, the extraction rate of copper could be as high as 96.73%, with a low cobalt extraction rate, which was only 2.41%.

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Authors and Affiliations

  1. Yunnan Provincial Key Laboratory of Intensification Metallurgy, Kunming, 650093, Yunnan, China

    Bi-quan Xiao, Feng Jiang, Jin-hui Peng, Shao-hua Ju, Li-hua Zhang, Shao-hua Yin, Li-bo Zhang, Lei Xu & Shi-hong Tian

  2. Key Laboratory of Unconventional Metallurgy, Ministry of Education, Kunming, 650093, Yunnan, China

    Bi-quan Xiao, Feng Jiang, Jin-hui Peng, Shao-hua Ju, Li-hua Zhang, Shao-hua Yin, Li-bo Zhang, Lei Xu & Shi-hong Tian

  3. National Local Joint Laboratory of Engineering Application of Microwave Energy and Equipment Technology, Kunming, 650093, Yunnan, China

    Bi-quan Xiao, Feng Jiang, Jin-hui Peng, Shao-hua Ju, Li-hua Zhang, Shao-hua Yin, Li-bo Zhang, Lei Xu & Shi-hong Tian

  4. Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, 650093, Yunnan, China

    Bi-quan Xiao, Feng Jiang, Jin-hui Peng, Shao-hua Ju, Li-hua Zhang, Shao-hua Yin, Li-bo Zhang, Lei Xu & Shi-hong Tian

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  1. Bi-quan Xiao
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  2. Feng Jiang
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  3. Jin-hui Peng
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  6. Shao-hua Yin
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  9. Shi-hong Tian
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Correspondence to Shao-hua Ju.

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Xiao, Bq., Jiang, F., Peng, Jh. et al. Optimization Study of Operation Parameters for Extracting \(\hbox {Cu}^{2+}\) from Sulfuric Solution Containing \(\hbox {Co}^{2+}\) with LIX984N in a Laminar Microchip. Arab J Sci Eng 43, 2145–2153 (2018). https://doi.org/10.1007/s13369-017-2495-1

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  • DOI: https://doi.org/10.1007/s13369-017-2495-1

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