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Citation: LI Jia-Zheng, SHI Zuo-Qing, FAN Yun-Ge. Coordination Adsorption of VB₁₂ on D72Zn²⁺ Resin and Its Elution[J]. Chinese Journal of Applied Chemistry, ;2002, 19(10): 946-949. shu

Coordination Adsorption of VB₁₂ on D72Zn²⁺ Resin and Its Elution

1.
a State Key Laboratory of Functional Polymeric Materials for Adsorption and Separation, Institute of Polymer Chemistry, Nankai University, Tianjin 300071;
2.
b Institute of Polymer Science and Engineering, Hebei University of Technology, Tianjin

Corresponding author: SHI Zuo-Qing,
Received Date: 7 March 2002
Available Online: 23 May 2002
Fund Project: 国家自然科学基金资助项目(29974015) (29974015)

The coordination adsorption resins were prepared by loading different transition metal ions on macroporous sulphonic resin(D72) and acrylic acid resin(D152) respectively, and the coordination adsorption of VB₁₂ on the resins in various media has been investigated. The sulphonic resin loaded with Zn²⁺ (D72Zn²⁺) was found to possess the best adsorption and desorption properties. The adsorption isotherm of VB₁₂ on D72Zn²⁺ resin in ethanol fits the Langmuir adsorption equation, and the saturated adsorption capacity from ethanol reaches 61 mg/g. The leakage capacity by column operation was 34 mg/g and water appeared an effective eluant with 94% desorption percentage.
- VB₁₂,
- coordination adsorption,
- sulphonic resin,
- separation
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Coordination Adsorption of VB₁₂ on D72Zn²⁺ Resin and Its Elution