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Paper Information

Journal:   JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC)   fall 2018 , Volume 12 , Number 3 #g00661; Page(s) 113 To 122.

Synthesis and characterization of magnetic graphene nano-adsorbent stabilized on polymer nylon 6 and its application for removal of lead (II) ions contaminant form aqueous solution

Author(s):  Mirnezami Sayyed Yadollah, Davallo Mehran*, Sohrbi Mahmoudreza, KHOSRAVI MORTEZA, Mottiee Fereshteh
* Department of Chemistry, North Tehran Aazd University, Tehran, Iran
In this research, the magnetic graphene nanoparticle (GM) was synthesized and stabilized on nylon-6. The purpose of its synthesis is to remove lead ions (II) contaminant from the aqueous solution. The prepared nanocomposite was characterized using X-ray diffraction analysis (XRD), scanning electron microscope (SEM), Fourier transform infrared spectrometry (FT-IR), and surface area determination (BET). In order to optimize the removal of Pb(II) ions from the aqueous solution the graphene was converted from two-dimensional to three-dimensional structure by using nylon-6 as substract to increase the surface area of the graphene and consequently increase the adsorbent efficiency. Another advantage of the absorbent is its magnetic effect that allows adsorption of the contaminant and its easy separation by an external magnet. The influence of experimental parameters such as initial solution pH, contact time, adsorbent dosage, concentration of lead ions (II) solution, and solution temperature on the removal efficiency were investigated. At optimal conditions the removal efficiency of lead ions (II) achieved by adsorbent was 95%.
Keyword(s): Adsorbent,Removal efficiency,Graphene,Magnetic nanoparticles,Nylon-6 and Lead ions
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