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Bi-amino surface functionalized nanoparticles: Synthesis and binary system dye removal from wastewater containing anionic dyes
, Article Desalination and Water Treatment ; Volume 70 , 2017 , Pages 347-354 ; 19443994 (ISSN) ; Ghezelbash, M ; Ghotbei, C ; Kazemeini, M ; Sharif University of Technology
Desalination Publications
2017
Abstract
In this paper, copper oxide nanoparticle was synthesized, and its surface was modified using N-(2-aminoethyl)-3-(trimethoxysilyl)propylamine. The bi-amino surface functionalized nanoparticle (BASFN) was used to remove anionic dyes from single and binary systems. The scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy, energy-dispersive X-ray spectroscopy (EDAX) and X-ray diffraction were used to characterize the nanoparticle. Direct Red 80 (DR80) and Direct Green 6 (DG6) were used as anionic dyes. The effect of adsorbent dosage, dye concentration and pH on dye removal was evaluated. Kinetic of dye adsorption on BASFN followed pseudo-second order. The results...