Citation: Zhuo Guo, Li Feng Wang, Zhan Gao, Wei Wei Zhang. Equilibrium and kinetic studies on the adsorption of VB₁₂ onto CMK-3[J]. Chinese Chemical Letters, ;2007, 18(2): 233-236. doi: 10.1016/j.cclet.2006.12.032 shu

Equilibrium and kinetic studies on the adsorption of VB₁₂ onto CMK-3

a School of Materials Science and Engineering, Shenyang Institute of Chemical Technology, Shenyang 110142, China;
b State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, China

Received Date: 1 September 2006

Fund Project: This work supported by the Scientific Research Project of Liaoning Education Bureau (No. 2004D073).

The adsorption of VB₁₂ onto CMK-3 was studied as a function of temperature and initial VB₁₂ concentration. The highest VB₁₂adsorption capacity was determined as 353.4 mg/g at 40℃. Adsorption data were well described by the Langmuir model, although they could be modelled by the Freundlich equation. The pseudo-first-order and pseudo-second-order kinetic models were applied to test the experimental data. The pseudo-second-order kinetic model provided the best correlation of the experimental data compared to the pseudo-first-order model.
- Adsorption,
- VB₁₂,
- Equilibrium,
- Kinetic
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