Composite of magnetite and Zn/Al layered double hydroxide as a magnetically separable adsorbent for effective removal of humic acid

Santosa, Sri Juari; Krisbiantoro, Philip Anggo; Ha, Tran Thi; Phuong, Nguyen Thi; Gusrizal, Gusrizal

doi:10.1016/j.colsurfa.2021.126159

Cited by 12 publications

(5 citation statements)

References 38 publications

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“…The FTIR spectra of NiAl LDH, ZnAl LDH, BC, NiAl-BC, and ZnAl-BC are depicted in Fig- ure 4. The strong absorption band around 1381 cm −1 implies that nitrate anions are present in the LDH interlayer [34]. The large absorption band near 3448 cm −1 indicates the presence of -OH stretching vibrations.…”

Section: Characterization Of the Adsorbent Materialsmentioning

confidence: 99%

Biochar-Modified Layered Double Hydroxide for Highly Efficient on Phenol Adsorption

Amri,

Rezonsi,

Ahmad

et al. 2023

Bull. Chem. React. Eng. Catal.

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All activities require drinking water. The existence of waste makes water unfit for consumption. Phenol waste is one example of waste that is often found. The toxic and corrosive nature of phenol is very dangerous for life, so its presence must be considered. The adsorption process was carried out using NiAl and ZnAl layered double hydroxides composites with biochar to eliminate the presence of phenol waste The adsorption process was carried out using NiAl and ZnAl layered double hydroxydes materials which were composited with biochar to eliminate the presence of phenol waste. NiAl-Biochar and ZnAl-Biochar composites were successfully prepared, as determined by XRD, FTIR, SEM, and BET analyses. NiAl layered double hydroxide surface area grew from 92.683 to 438.942 m2/g while ZnAl layered double hydroxide surface area increased from 9.621 to 58.461 m2/g. pHpzc of material is between 5.1 and 9.4. Optimal pH of NiAl and ZnAl layered double hydroxide is 3, optimum pH of NiAl-Biochar and ZnAl-Biochar is 5, and optimum pH of Biochar is 7. All kinetic and isotherm models for all materials were pseudo-second-order and Freundlich, respectively. NiAl-Biochar and ZnAl-Biochar have maximal adsorption capacities of 74.62 mg/g and 52.91 mg/g, respectively. The material's reusability indicates that NiAl-Biochar has superior qualities and may be reused for up to five cycles, followed by ZnAl-Biochar, NiAl layered double hydroxide, ZnAl layered double hydroxide, and Biochar. Copyright © 2023 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).

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Section: Characterization Of the Adsorbent Materialsmentioning

confidence: 99%

Biochar-Modified Layered Double Hydroxide for Highly Efficient on Phenol Adsorption

Amri,

Rezonsi,

Ahmad

et al. 2023

Bull. Chem. React. Eng. Catal.

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“…The diffraction peaks that appear at 2θ=21.53º (002) indicate the presence of high amounts of carbon contained in humic acid (Zhang et al, 2018). The diffraction peaks at 2θ=35.75º (311) and 57.93º (511) are originally peaks from Magnetite (Santosa et al, 2021b).…”

Section: Characteristics Of Ha and Mhamentioning

confidence: 99%

“…Figure 1(c) showed MHA was paramagnetic with magnetization (Ms) 17.04 emu/g. The magnetization (Ms) MHA was lower than Fe3O4 (66.3 emu/g) because Fe3O4 was classified as superparamagnetic (Santosa et al, 2021b). Figure 2 shows the surface morphology of HA and MHA by SEM images.…”

Section: Characteristics Of Ha and Mhamentioning

confidence: 99%

Selectivity of Malachite Green on Cationic Dye Mixtures Toward Adsorption on Magnetite Humic Acid

Ahmad¹,

Arsyad²,

Royani³

et al. 2022

Environ. Nat. Resour. J.

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Magnetite humic acid (MHA) was successfully synthesized by the coprecipitation method followed by hydrothermal process, as evidenced by the XRD, FTIR, VSM, and SEM analysis characterization results. XRD diffraction shows diffraction peaks at 2θ=21.53º, 35.95º, and 57.93º. The FTIR spectra have a typical absorption at 3,410, 1,589, 1,396, 1,026, 910, 794, and 540 cm-1. Magnetite humic acid was paramagnetic with magnetization (Ms) 17.04 emu/g. Humic acid and magnetite humic acid have an irregular structure; the morphology of magnetite humic acid is smoother than humic acid. Malachite green was more selective than methylene blue and rhodamine B on magnetite humic acid. The adsorption of malachite green on humic acid and magnetite humic acid was carried out at pHpzc 8.06 and 6.08. The adsorption capacity (Qmax) of humic acid (77.519 mg/g) and magnetite humic acid (169.492 mg/g) were found with pseudo-second-order kinetic and Langmuir isotherm models. After five regeneration cycles, the adsorption percentages of malachite green with humic acid and magnetite humic acid ranged from 94.67-61.37% and 62.03-21.11%, respectively. Magnetite humic acid has high stability and reusability. The good regeneration of MHA was supported by the XRD diffractogram. Magnetic properties in the material simplify the adsorption process and minimize the potential for damage to the surface of the material.

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“…For example, Sahil Lakhanpal et al prepared Fe 3 O 4 covered sand adsorbent via the coprecipitation technique using FeCl 3 .6H 2 O, FeCl 2 , NH 4 OH, and sand a substrate. The Fe 3 O 4 coated sand particles displayed were formed in particle size of about 30-210 nm, and manifested high photocatalytic activity for heavy metal removal (Lakhanpal et al 2021) (Santosa et al 2021). Eliane V. Rosa et al fabricated g-C 3 N 4 /Fe 3 O 4 composite through homogenous precipitation of Fe 2+ and Fe 3+ salts using urea decomposition.…”

Section: Co-precipitationmentioning

confidence: 99%

Engineered magnetic oxides nanoparticles as efficient sorbents for wastewater remediation: a review

et al. 2021

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The rapid urbanization and industrialization is causing worldwide water pollution, calling for advanced cleaning methods. For instance, pollutant adsorption on magnetic oxides is efficient and very practical due to the easy separation from solutions by an magnetic field. Here we review the synthesis and performance of magnetic oxides such as iron oxides, spinel ferrites, and perovskite oxides for water remediation. We present structural, optical, and magnetic properties. Magnetic oxides are also promising photocatalysts for the degradation of organic pollutants. Antimicrobial activities and adsorption of heavy metals and radionucleides are also discussed.

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Composite of magnetite and Zn/Al layered double hydroxide as a magnetically separable adsorbent for effective removal of humic acid

Cited by 12 publications

References 38 publications

Biochar-Modified Layered Double Hydroxide for Highly Efficient on Phenol Adsorption

Biochar-Modified Layered Double Hydroxide for Highly Efficient on Phenol Adsorption

Selectivity of Malachite Green on Cationic Dye Mixtures Toward Adsorption on Magnetite Humic Acid

Engineered magnetic oxides nanoparticles as efficient sorbents for wastewater remediation: a review

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