Citation: Yong Qiang He, Na Na Zhang, Xiao Dong Wang. Adsorption of graphene oxide/chitosan porous materials for metal ions[J]. Chinese Chemical Letters, ;2011, 22(7): 859-862. doi: 10.1016/j.cclet.2010.12.049 shu

Adsorption of graphene oxide/chitosan porous materials for metal ions

a Department of Applied Chemistry, Yuncheng University, Yuncheng 044000, China;
b School of Science, Tianjin University, Tianjin 300072, China

Received Date: 25 October 2010

Fund Project: PR China (No.09JCZDJC23300).This work was supported by the National Science Foundation of China (No.50873075) and Tianjin Municipal Science and Technology Commission

Porous graphene oxide/chitosan (PGOC) materials were prepared by a unidirectional freeze-drying method. Their porous structure, mechanical property and adsorption for metal ions were investigated. The results show that the incorporation of graphene oxide (GO) significantly increased the compressive strength of the PGOC materials. The saturated adsorption capacity of Pb²⁺ increased about 31%, up to 99 mg/g when 5 wt% GO was incorporated These biodegradable, nontoxic, efficient PGOC materials will be a potential adsorbent for metal ions in aqueous solution.
- Chitosan,
- Graphene oxide,
- Porous material,
- Adsorption,
- Metal ions
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