Synthesis of a new porous graphene oxide framework (GOF) for high- performance ultrasonic-assisted removal of cadmium and lead ions from aqueous solution
Abstract:A novel chelating adsorbent was successfully synthesized by cross-linking of 4, 4 0 , 4 00 -s-triazine-1, 3, 5-triyltri-p-aminobenzoic acid as a linker with nanosheets of graphene oxide to provide a 3-dimensional framework. Therefore, the adsorption process of Cd +2 and Pb +2 on the adsorbent was investigated by employing an ultrasonic bath. The optimum condition containing the small amount of adsorbent (10 mg) for both metals at pH=8 for Cd +2 and pH=5 for Pb +2 , and a short time of two minutes caused gainin… Show more
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