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Fabrication of Superparamagnetic Adsorbent Based on Layered Double Hydroxide As Effective Nanoadsorbent for Removal of Sb (III) from Water Samples

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Publisher Wiley
Specialty Biotechnology
Date 2021 Dec 2
PMID 34854558
Citations 1
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Abstract

In this study, the superparamagnetic adsorbent as Fe@Mg-Al LDH was synthesised by different methods with two steps for the removal of heavy metal ions from water samples. An easy, practical, economical, and replicable method was introduced to remove water contaminants, including heavy ions from aquatic environments. Moreover, the structure of superparamagnetic adsorbent was investigated by various methods including Fourier transform infrared spectroscopy, field emission scanning electron microscopy, energy-dispersive X-ray spectroscopy, and vibrating sample magnetometer. For better separation, ethylenediaminetetraacetic acid ligand was used, forming a complex with antimony ions to create suitable conditions for the removal of these ions. Cadmium and antimony ions were studied by floatation in aqueous environments with this superparamagnetic adsorbent owing to effective factors such as pH, amount of superparamagnetic adsorbent, contact time, sample temperature, volume, and ligand concentration. The model of Freundlich, Langmuir, and Temkin isotherms was studied to qualitatively evaluate the adsorption of antimony ions by the superparamagnetic adsorbent. The value of loaded antimony metal ions with Fe@Mg-Al LDH was resulted at 160.15 mg/g. The standard deviation value in this procedure was found at 7.92%. The desorption volume of antimony metal ions by the adsorbent was found to be 25 ml. The thermodynamic parameters as well as the effect of interfering ions were investigated by graphite furnace atomic absorption spectrometry.

Citing Articles

Fabrication of superparamagnetic adsorbent based on layered double hydroxide as effective nanoadsorbent for removal of Sb (III) from water samples.

Motallebi R, Moghimi A, Shahbazi H, Faraji H IET Nanobiotechnol. 2021; 16(2):33-48.

PMID: 34854558 PMC: 8918918. DOI: 10.1049/nbt2.12074.

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