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International Journal of Nanomaterials and Chemistry
An International Journal


Volumes > Volume 1 > No. 3


Potential Removal of Crystal violet (CV), Acid Red (AR) and Methyl Orange (MO) from Aqueous Solution by Magnetic Nanoparticles

PP: 97-102
Badriah Saad Al-Farhan,
In this paper bentonite coated with mangentic Fe2O3 nanoparticle was prepared and characterized by SEM and XRD. The prepared magnetic nanoparticles was used for the removal of anionic dyes, acid red (AR), methyl orange (MO) and crystal violet (CV) from aqueous solutions. The effect of dye solution pH and contact time were studied. According to the obtained results both AR and CV showed maximum removal efficiency at pH 7 while MO at pH 4. The results showed there are high removal efficiency of the magnetic nanoparticles for the removal of the different organic dyes and the removal efficiency had the order CV ˃ AR ˃ MO. The results explained using the FTIR and TG/DTA analysis and were related to the structure of the organic dye and the function groups on it which interact with the magnetic nanoparticles.

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