E.H.G. Diouf, T. Ndior, A. Diouf, C. Gaye, A. K. Diaw, B. Fall, M. Kébé, M.L. Ndour, A. Faye, M.S. Diop

Adsorption on natural or synthetic materials is one of many available decontamination techniques. This process consumes little energy compared to electrochemical processes such as advanced plasma oxidation, electro-photon, photocatalysis, etc. This article discusses the synthesis and evaluation of the adsorbing activity of a first-generation (G1) PPI dendrimer functionalized with 2-hydroxy-p-naphthoquinone. The dendrimers were synthesized by the Manich reaction using a first-generation PPI dendrimer (G1), an aldehyde (acetaldehyde) and 2-hydroxy-p-naphthoquinone. For chromium removal, the method used was immersion under non-optimized conditions. The results of the study of hexavalent chromium adsorption on the PPI dendrimer functionalized with 2-hydroxy-p-naphthoquinone (1a) show that the molecule can remove chromium VI with a removal efficiency of 16.89% using second-order kinetics.

Synthesis, Cineticstudy, first generation PPI dendrimer (G1)

Pages: 8-13