Funct. Mater. 2019; 26 (2): 441-445.


Preparation of a new graphite oxide/chitosan composite membrane and its application in environmental protection engineering

C. Li1, Muhammad Aqeel Ashraf2

1Shandong Normal University, Shandong, China
2School of Environmental Studies, China University of Geosciences, Wuhan 430074, China


Novel magnetic graphene oxide-chitosan composite membranes (GO-Fe3O4-CS) have been prepared by solvothermal method. The properties of GO-Fe3O4-CS are studied by measuring its spectral characterization, hysteresis loop and dye adsorption performance. The results show that the morphology of the synthesized magnetic graphene oxide is about 100nm, and the Fe3O4 nanospheres grow uniformly on the graphene oxide surface. The hysteresis loop shows that GO-Fe3O4 has strong magnetism. GO-Fe3O4-CS complex has good adsorption effect on dye molecules such as methyl violet and methylene blue. In addition, the introduction of magnetism can simplify the process of recovering adsorbents and greatly reduce energy consumption. The magnetic graphene oxide/chitosan composite prepared is expected to be used in water treatment in real life.

graphene oxide, chitosan, preparation of composite membranes

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