2023
DOI: 10.12912/27197050/171678
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Magnetic Composite for Efficient Adsorption of Iron and Magnesium Ions from Aqueous Solution

Widia Purwaningrum,
Hasanudin Hasanudin,
Addy Rachmat
et al.

Abstract: Iron Fe(III) and Manganese Mn(II) ions were effectively removed from aqueous solutions using a magnetic composite of Fe 3 O 4 /CaO/PDA, with CaO sourced from green mussel. The composite material was comprehensively characterized using Fourier Transform Infrared Spectroscopy (FTIR), X-ray Diffraction (XRD), Scanning Electron Microscopy with Energy Dispersive -X-ray Spectroscopy (SEM-EDS), Brunauer, Emmett and Teller (BET) surface area analysis, Vibrating Sample Magnetometer (VSM). The impact of physicochemical … Show more

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“…Notably, the magnetic properties of bentonite/Fe3O4/PDA surpass those of bentonite/Fe3O4/PDA@CuO, with a saturation magnetization value of 63.27 emu/g compared to 54.82 emu/g. The introduction of nonmagnetic components leads to a reduction in magnetic properties [37]. Similar trends are observed in other studies, where Fe3O4/PDA demonstrates a higher saturation magnetization than MnO2/PDA/Fe3O4 [38].…”
Section: Vsm Analysissupporting
confidence: 88%
“…Notably, the magnetic properties of bentonite/Fe3O4/PDA surpass those of bentonite/Fe3O4/PDA@CuO, with a saturation magnetization value of 63.27 emu/g compared to 54.82 emu/g. The introduction of nonmagnetic components leads to a reduction in magnetic properties [37]. Similar trends are observed in other studies, where Fe3O4/PDA demonstrates a higher saturation magnetization than MnO2/PDA/Fe3O4 [38].…”
Section: Vsm Analysissupporting
confidence: 88%