Citation: Zhou Chunyu, Yang Junling, Yu Zhendong. Preparation and Adsorption Properties of Nano-Fe₃O₄@Chitosan[J]. Chemistry, ;2018, 81(10): 914-918, 923. shu

Preparation and Adsorption Properties of Nano-Fe₃O₄@Chitosan

School of Environmental and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387

Corresponding author: Yang Junling, yangjunling@tjpu.edu.cn
Received Date: 15 May 2018
Accepted Date: 23 July 2018

Figures(8)

Chitosan was prepared from waste shrimp shell, and then nano-Fe₃O₄@chitosan material was prepared by using chitosan as shell, magnetic Fe₃O₄ as core, liquid paraffin as dispersant, T-80 as emulsifier and glutaraldehyde as crosslinking agent. The prepared nano material was characterized by IR, SEM, TG, and XRD. The results showed that the surface of nano-Fe₃O₄@chitosan are smooth and spherical, the mass ratio of chitosan to Fe₃O₄ is 2:1 and the diameter is about 75.82 nm. Adsorption kinetic experiment showed that the Cu²⁺ adsorption of nano-Fe₃O₄@chitosan corresponds to pseudo-second-order kinetic, which implies a dominant chemical adsorption. The equilibrium adsorption capacity was 17.32 mg/g. Adsorption isotherm experiment showed that the adsorption conforms to the Freundlic adsorption isotherm model, and there is strong interaction between nano-Fe₃O₄@chitosan and Cu²⁺. The maximum adsorption capacity was 213.68 mg/g.
- Nano-material,
- Chitosan,
- Adsorption kinetic,
- Adsorption isotherm
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Preparation and Adsorption Properties of Nano-Fe₃O₄@Chitosan