Abstract
In this paper, we report the preparation of a new Fe3O4/SSIP/GO composite film for the purification of methylene blue dye from solution media. The preparation process of composite film was carried out to improve the interaction between the inner part of the sunflower stalk (SSIP) and surface matrix using magnetite/Graphene Oxide (Fe3O4/GO) minerals at weight ratios (0.2/4/0.2:w/w/w). The characterizations of as-developed Fe3O4/SSIP/GO composite film was successfully carried out by some advanced techniques such as FT-IR, SEM, and TGA analyses. Adsorption kinetic studies were evaluated in three different aspects as a pseudo-first-order model, pseudo-second-order model, and intraparticle diffusion-type model. Based on the R2 results, it was seen that the Pseudo-second order kinetic model (0.999) acted more harmoniously than the pseudo-first-order (0.960) and intra-particle diffusion technique models (0.974). In the light of these findings, it can be said that the prepared Fe3O4/SSIP/GO composite film used for removal of methylene blue dye can be considered as a promising material
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