Mathematical simulation on adsorption of zinc ion and copper ion with resin

CHEN Shang; LIU Qing; ZHAO Shiqiang; ZHENG Qi

doi:10.13264/j.cnki.ysjskx.2019.02.002

Volume 10 Issue 2

Apr. 2019

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Nonferrous Metals Science and Engineering > 2019 > 10(2): 6-12. > DOI: 10.13264/j.cnki.ysjskx.2019.02.002

CHEN Shang, LIU Qing, ZHAO Shiqiang, ZHENG Qi. Mathematical simulation on adsorption of zinc ion and copper ion with resin[J]. Nonferrous Metals Science and Engineering, 2019, 10(2): 6-12. DOI: 10.13264/j.cnki.ysjskx.2019.02.002

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Mathematical simulation on adsorption of zinc ion and copper ion with resin

1.
State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China
2.
Rare Metals and Metallurgy Materials Research Institute, General Research Institute for Nonferrous Metals, Beijing 100088, China

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Received Date: October 09, 2018
Published Date: April 29, 2019

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Abstract

Zinc(Ⅱ) ion and Copper(Ⅱ) ion come from the process of producing potassium aurocyanide, gold-plated material. Adsorption process of zinc ion and Copper ion resin in a φ10 mm×20 mm adsorption column was simulated and studied with the aid of Aspen Adsorption. Ion concentration at exit of adsorption column vs time curve and bed axial loading distribution of ion were obtained from simulation results with discrete partial differential equations of first order upwind difference method. The time of breakthrough was shortened, as feed flow rate and feed concentration increase respectively. The adsorption breakthrough curves did not change with mass transferring coefficient any more When the mass transfer coefficient is greater than the critical value, K_S(Zn²⁺)=4.3×10^-3 s^-1, K_S(Cu²⁺)=1.00×10^-2 s^-1. The modeling study provides reference data for scale-up experiment and industrial application.
- resin,
- adsorption column,
- zinc ion,
- copper ion,
- breakthrough curve

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