Preparation and application of magnetic Ni nanocomposite (Fe۳O۴@SiO۲@Ni۲+) in adsorption of azo dyes

In this study, preparation, characterization and adsorption properties of the magnetic nanocomposite Fe3O4@SiO2@Ni2+ made by chemical co-precipitation method were investigated. The structure of synthesized nanocomposite was characterized by using FTIR, XRD, VSM, FE-SEM, EDX-MAP, TGA, BET, and ICP-OES analyses. The introduced nanocomposite exhibited a great tendency towards the azo and anionic dyes in aqueous media. The adsorption parameters were evaluated to find the optimal conditions of pH= 7, T= 293 K, amount of adsorbent= 10 mg, t= 10 min, and the initial concentration of Acid violet 5 dye= 20 mg/L. The isotherm and kinetic models were investigated by using adsorption equilibrium data. The magnetic nanocomposite gave a high maximum adsorption capacity (qmax) and adsorption percentage (%A) under optimal conditions.

Preparation and application of magnetic Ni nanocomposite (Fe3O4@SiO2@Ni2+) in adsorption of azo dyes Keywords:

Magnetic nanocomposite , adsorbent , azo dye , water treatment.

Preparation and application of magnetic Ni nanocomposite (Fe3O4@SiO2@Ni2+) in adsorption of azo dyes authors

Razieh Sadatmadani

Razieh Sadatmadani, Faculty of Chemistry, University of Mazandaran

Mahmood Tajbakhsh

Mahmood Tajbakhsh, Faculty of Chemistry, University of Mazandaran

Rahman Hosseinzadeh

Rahman Hosseinzadeh, Faculty of Chemistry, University of Mazandaran,

Zari Fallah

Zari Fallah, Faculty of Chemistry, University of Mazandaran,

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https://civilica.com/doc/1274811

Document National Code:

ICNNA02_193

Index date: 26 September 2021

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Sadatmadani, Razieh and Tajbakhsh, Mahmood and Hosseinzadeh, Rahman and Fallah, Zari,1400,Preparation and application of magnetic Ni nanocomposite (Fe3O4@SiO2@Ni2+) in adsorption of azo dyes,2nd International Conference on Nanotechnology & Nanoscience,Tehran,https://civilica.com/doc/1274811

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Ranking of University of Mazandaran

Type of center: دانشگاه دولتی

Paper count: 18,926

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