Journal
APPLIED SURFACE SCIENCE
Volume 439, Issue -, Pages 364-370Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2018.01.061
Keywords
Ni nanoparticle; Ultrafine; Magnetism; Dye; Fast adsorption
Categories
Funding
- National Research Foundation of Korea (NRF) - Ministry of Science, ICT, and Future Planning, South Korea [NRF-2016M3A7B4909318]
- institutional research program of the Korea Institute of Science and Technology, South Korea [2E26081-16-054]
- International Scientific Partnership Program ISPP at King Saud University through ISPP [0076]
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Magnetic metal/carbon nano-materials are attractive for pollutant adsorption and removal. In this study, ultrafine nickel/carbon nanoparticles are successfully prepared via electrical wire explosion processing in ethanol media for the elimination of pollutant organic dyes such as Rhodamine B and methylene blue in aqueous solutions. High specific surface areas originating from both the nano-sized particles and the existence of carbon on the surface of Ni nanoparticles enhance dye adsorption capacity. In addition to this, the excellent dispersity of Ni/C nanoparticles in aqueous dye solutions leads to superior adsorption rates. The adsorption kinetics for the removal of organic dyes by Ni/C nanoparticles agree with a pseudo-second-order model and follow Freundlich adsorption isotherm behavior. (C) 2018 Elsevier B.V. All rights reserved.
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