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Citation: ZHANG Xiu-Jun, LANG Hui-Yun, WEI Yong-Feng, ZHANG Wei-Ping. Synthesis and Adsorption Kinetics of the Chelate Compound of Chitosan with Ferrous Ions[J]. Chinese Journal of Applied Chemistry, ;2003, 20(8): 749-753. shu

Synthesis and Adsorption Kinetics of the Chelate Compound of Chitosan with Ferrous Ions

1.
Department of Chemistry, Northwest University, Xi'an 710069

Corresponding author: ZHANG Xiu-Jun,
Received Date: 4 December 2002
Available Online: 9 April 2003
Fund Project: 陕西省科委自然科学资助项目(2002B09和2001H10) (2002B09和2001H10)

The isothermal sorption kinetics of chitosan(CTS) for ferrous ions has been investigated. The structure of the chelate compound was confirmed by IR spectra、UV VIS spectra、elemental and thermal analysis. The results were satisfied with the Langmuir-single-molecule-layer adsorption mechanism and the Lagergren-one-order equation. The apparent adsorption activation energy is 20.23 kJ/mol and the sorption rate constant of the Lagergren one order sorption is 0.25 h^-1 at 293.15 K.
- chitosan,
- ferrous,
- chelate,
- adsorption kinetics
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