Citation: Zu Pei LIANG, Ya Qing FENG, Zhi Yan LIANG, Shu Xian MENG. Kinetic of Adsorption of Urea Nitrogen onto Chitosan Coated Dialdehyde Cellulose under Catalysis of Immobilized Urease[J]. Chinese Chemical Letters, ;2005, 16(5): 697-700. shu

Kinetic of Adsorption of Urea Nitrogen onto Chitosan Coated Dialdehyde Cellulose under Catalysis of Immobilized Urease

Department of Fine Chemicals, Tianjin University, Tianjin 300072

Received Date: 17 May 2004

Fund Project: This work was supported by the Natural Science Foundation of Tianjin City (No. 03380211).

The adsorption of urea nitrogen onto chitosan coated dialdehyde cellulose (CDAC)under catalysis of immobilized urease in gelatin membrane (IE) was studied in batch system. The pseudo first-order and second-order kinetic models were used to describe the kinetic data, and the rate constants were evaluated. The experimental data fitted well to the second-order kinetic model.
- Adsorption,
- kinetic,
- urea nitrogen,
- chitosan coated dialdehyde cellulose,
- immobilized urease
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