Study of Heavy Metal Ions Mn(II), Zn(II), Fe(II), Ni(II), Cu(II), and Co(II) Adsorption Using MFe2O4 (M=Co2+, Mg2+, Zn2+, Fe2+, Mn2+, and Ni2+) Magnetic Nanoparticles as Adsorbent

Wahyu Waskito Aji; Edi Suharyadi

doi:10.4028/www.scientific.net/MSF.901.142

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Study of Heavy Metal Ions Mn(II), Zn(II), Fe(II), Ni(II), Cu(II), and Co(II) Adsorption Using MFe₂O₄ (M=Co²⁺, Mg²⁺, Zn²⁺, Fe²⁺, Mn²⁺, and Ni²⁺) Magnetic Nanoparticles as Adsorbent
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HomeMaterials Science ForumMaterials Science Forum Vol. 901Study of Heavy Metal Ions Mn(II), Zn(II), Fe(II),...

Study of Heavy Metal Ions Mn(II), Zn(II), Fe(II), Ni(II), Cu(II), and Co(II) Adsorption Using MFe₂O₄ (M=Co²⁺, Mg²⁺, Zn²⁺, Fe²⁺, Mn²⁺, and Ni²⁺) Magnetic Nanoparticles as Adsorbent

Abstract:

Removal of heavy metal ions (Co²⁺, Cu²⁺, Zn²⁺, Fe²⁺, Mn²⁺, and Ni²⁺) from artificial wastewater has been successfully perfomed by adsorption process using magnetic ferrite (MFe₂O₄; M=Co²⁺, Mg²⁺, Zn²⁺, Fe²⁺, Mn²⁺, and Ni²⁺) nanoparticles. Ferrite nanoparticles were synthesized using coprecipitation method and used as absorbent in heavy metal ions removal with concentration of 5 g/L and 10 g/L. The adsorption and desorption ability of each ferrite nanoparticles, the effect of heavy metal ion in adsorption and desorption process, and the endurance of ferrite nanoparticles were investigated using atomic absorption spectroscopy (AAS). The removal process has been conducted for wastewater at pH 7.It showed the presence of heavy metal precipitate in solution. The result shows that MgFe₂O₄ has the highest adsorption ability than other ferrite and MnFe₂O₄is the lowest. Desorption ability of all ferrites is high except for Fe ion removal. Desorption of Fe ion shows very low result which might due to FeO bond from Fe ion reaction in acid solution. The endurance of MnFe₂O₄ and Fe₃O₄ as adsorbent after repeated adsorption and desorption process is up to 4 times and more than 6 times. The MnFe₂O₄nanoparticles show a stability in adsorption ability after 4 times repetition adsorption and desorption process.

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Materials Science Forum (Volume 901)

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142-148

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https://doi.org/10.4028/www.scientific.net/MSF.901.142

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July 2017

Authors:

Wahyu Waskito Aji, Edi Suharyadi*

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Adsorption, Heavy Metal, Magnetic Nanoparticles, Wastewater

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