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Porous CeB nanostructure: a step towards rapid adsorption of methylene blue

Journal of the Australian Ceramic Society, ISSN: 0004-881X, Vol: 54, Issue: 3, Page: 423-428
2018
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Article Description

Porous CeB nanostructure was successfully synthesized at 700 °C for 2 h under argon atmosphere by a melt-assisted method using CeCl and NaBH as reactants, NaCl-KCl as reaction melt. The obtained product was characterized by X-ray diffraction (XRD), Raman spectroscopy, scanning electron microscopy (SEM), transmission electron microscopy (TEM), and Brunauer-Emmett-Teller (BET) method. XRD pattern and Raman spectrum confirmed the formation of CeB with high purity. SEM and TEM results showed CeB powder had a mesopore structure and consisted of nanoparticles with mean size of ~ 8 nm. Porous CeB had high surface area of 64.14 m g and pore volume was 0.132 cm g. Adsorption property of porous CeB for methylene blue was also evaluated. The results displayed that adsorption efficiency of 80% on porous CeB can be realized rapidly within 10 min with adsorption capacity of 6.75 mg/g. Repeatability test showed that porous CeB had the potential to be a reusable adsorbent for MB rapid removal.

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