Activated Carbon Furnished Monodisperse Pt Nanocomposites as a Superior Adsorbent for Methylene Blue Removal from Aqueous Solutions

Author:

Sert Hakan1,Yildiz Yunus2,Okyay Tugba Onal1,Sen Betul2,Gezer Bahdisen1,Bozkurt Sait2,Başskaya Gaye2,Sen Fatih2

Affiliation:

1. Department of Chemical Engineering, Faculty of Engineering, Usak University, 64200, Turkey

2. Sen Research Group, Biochemistry Department, Faculty of Arts and Science, Dumlupinar University, Evliya Çelebi Campus 43100 Kutahya, Turkey

Abstract

Adresses herein, monodisperse Pt nanoadsorbents have been reproducibly prepared by microwave assisted method and consist of activated carbon and platinum called as Mw-Pt NPs@AC nanocomposites. Mw-Pt NPs@AC nanocomposites were found to be extraordinary adsorption capacity for methylene blue (MB) removal from aqueous solutions. Their characterization was performed by the help of X-ray diffraction (XRD), transmission electron microscopy (TEM), high resolution transmission electron microscopy (HR-TEM) and X-ray photoelectron spectroscopy (XPS). The results revealed that the Mw-Pt NPs@AC nanocomposites are highly efficient adsorbents for MB removal from aqueous solutions and provide remarkable adsorption capacity (195.69 mg/g). The MB adsorption equilibrium was attained in ~75 min. In addition, reusability tests represented that Mw-Pt NPs@AC nanocomposites are quite promising for MB removal keeping 91.9% of its initial efficiency after 5 cycles of adsorption–desorption.

Publisher

American Scientific Publishers

Subject

Condensed Matter Physics,General Materials Science,Biomedical Engineering,General Chemistry,Bioengineering

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