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Hydrogen Sulfide Removal from Copper Smelting Contaminated Acid Using Rotating Packed Bed

  • Research Article - Chemistry
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Abstract

The removal of \(\hbox {H}_{2}\hbox {S}\) from copper smelting contaminated acid using sodium hydroxide (NaOH) as absorbent was investigated in a RPB reactor. The influences of operating parameters were assessed on the removal efficiency of \(\hbox {H}_{2}\hbox {S}\) (E) and overall volumetric gas side mass transfer coefficient (\(K_{\mathrm{G}}a\)). The results illustrate that E and \(K_{\mathrm{G}}a\) increased with increase in high gravity factor, flow rate and concentration of sodium hydroxide while decreased with increase in mass concentration of \(\hbox {H}_{2}\hbox {S}\) in feed gas. With increase in \(\hbox {H}_{2}\hbox {S}\) gas flow rate, E was found to decrease while \(K_{\mathrm{G}}a\) was found to increase. The increase in the temperature of absorption did not show any significant effect on E and \(K_{\mathrm{G}}a\). The \(K_{\mathrm{G}}a\) of the rotating packed bed reactor was about 30 times higher than the conventional packed bed at similar gas liquid throughputs. The superior performance of RBP certainly demands further investigation, process development, scale-up for economical commercial adoption.

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Acknowledgements

This work was supported by National Natural Science Foundation of China (51604135).

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Authors and Affiliations

  1. State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming, 650093, Yunnan, China

    Shiwei Li, Xiaopeng Ren, Junwen Zhou, Libo Zhang, Jinhui Peng, Weiheng Chen & Jiannan Pei

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

    Shiwei Li, Xiaopeng Ren, Junwen Zhou, Libo Zhang, Jinhui Peng, Weiheng Chen & Jiannan Pei

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

    Shiwei Li, Xiaopeng Ren, Junwen Zhou, Libo Zhang, Jinhui Peng, Weiheng Chen & Jiannan Pei

  4. Chemical Engineering Department, The Petroleum Institute, Khalifa University of Science and Technology, 2533, Abu Dhabi, UAE

    Chandrasekar Srinivasakannan

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  1. Shiwei Li
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  2. Xiaopeng Ren
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  3. Chandrasekar Srinivasakannan
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  4. Junwen Zhou
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  6. Jinhui Peng
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  7. Weiheng Chen
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  8. Jiannan Pei
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Correspondence to Xiaopeng Ren.

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Li, S., Ren, X., Srinivasakannan, C. et al. Hydrogen Sulfide Removal from Copper Smelting Contaminated Acid Using Rotating Packed Bed. Arab J Sci Eng 43, 3557–3564 (2018). https://doi.org/10.1007/s13369-017-3028-7

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  • DOI: https://doi.org/10.1007/s13369-017-3028-7

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