Hierarchical Fe3O4/C with a flower-like morphology: A highly efficient and reusable dye adsorbent

Li, Cuiping; Liu, Huan; Jiang, Xiaohui; Waterhouse, Geoffrey I. N.; Zhang, Zhiming; Yu, Liangmin

doi:10.1016/j.synthmet.2018.09.010

Cited by 17 publications

(7 citation statements)

References 49 publications

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“…The O 1 s spectrum in Fig. 7(c) can be fitted into 4 peaks at 530.1, 531.3, 532.1, and 533.1 eV, which corresponded to the (Fe‐O‐Fe), 41,42 OC, 43 O‐H, 44 and O‐C‐O 45 of lattice oxygen in Fe 3 O 4 , respectively. The C 1 s spectrum in Fig.…”

Section: Resultsmentioning

confidence: 97%

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Metal–organic frameworks derived magnetic Fe₃O₄/C for catalytic transfer hydrogenation of furfural to furfuryl alcohol

Jiang

Huang

Wang

et al. 2020

J of Chemical Tech & Biotech

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Abstact BACKGROUND Fe based metal organic frameworks (Fe‐MOFs) were prepared by solvothermal method, and carbon loaded Fe3O4 (Fe3O4/C) was prepared by pyrolytic carbonization and carbothermal reduction. RESULTS Various analytical techniques were used to characterize the physicochemical structure of Fe‐MOFs and Fe3O4/C under different solvothermal and calcination conditions. Fe3O4/C was then employed as a catalyst for the catalytic transfer hydrogenation of furfural with alcohol as a hydrogen donor, and the effect of hydrogen donor species, reaction temperature, and reaction time were investigated. CONCLUSION The Fe3O4/C catalyst could be easily collected with a magnet and reused for four runs without significant loss of its catalytic. A possible mechanism for the catalytic transfer hydrogenation of furfural over Fe3O4/C was proposed. © 2020 Society of Chemical Industry (SCI)

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Section: Resultsmentioning

confidence: 97%

“…The C 1 s spectrum in Fig. 7(d) was fitted into three peaks at 284.7, 286.0, and 288.6 eV, corresponding to C‐C/C=C, O‐C‐O, and C=O, 44 respectively.…”

Section: Resultsmentioning

confidence: 99%

Metal–organic frameworks derived magnetic Fe₃O₄/C for catalytic transfer hydrogenation of furfural to furfuryl alcohol

Jiang

Huang

Wang

et al. 2020

J of Chemical Tech & Biotech

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“…The synthetic dyes are widely used by several industries such as textile, painting, leather and printing. The discharge of the dyes in water effluents continues to be one of the greatest health problems worldwide, affecting human health and the environment [1][2][3]. Of particular importance, the textile dyes are typically composed by organic molecules from colored fabrics, which uses large amounts of these organic compounds for textile production to fulfill the consumer needs [2,3].…”

Section: Introductionmentioning

confidence: 99%

“…The discharge of the dyes in water effluents continues to be one of the greatest health problems worldwide, affecting human health and the environment [1][2][3]. Of particular importance, the textile dyes are typically composed by organic molecules from colored fabrics, which uses large amounts of these organic compounds for textile production to fulfill the consumer needs [2,3]. However, the organic dyes can cause several damage and environmental issues, when they are not appropriately handle [3,4].…”

Section: Introductionmentioning

confidence: 99%

Acid Red 66 Dye Removal from Aqueous Solution by Fe/C-based Composites: Adsorption, Kinetics and Thermodynamic Studies

et al. 2020

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The presence of synthetic dyes in water causes serious environmental issues owing to the low water quality, toxicity to environment and human carcinogenic effects. Adsorption has emerged as simple and environmental benign processes for wastewater treatment. This work reports the use of porous Fe-based composites as adsorbents for Acid Red 66 dye removal in an aqueous solution. The porous FeC and Fe/FeC solids were prepared by hydrothermal methods using iron sulfates and sucrose as precursors. The physicochemical properties of the solids were evaluated through X-ray diffraction (XRD), Scanning electron microscopy coupled with Energy dispersive spectroscopy (SEM-EDS), X-ray photoelectron spectroscopy (XPS), Fourier transform infrared s (FTIR), Raman and Mössbauer spectroscopies, nitrogen adsorption–desorption isotherms, Electron Paramagnetic Resonance (EPR) and magnetic saturation techniques. Results indicated that the Fe species holds magnetic properties and formed well dispersed Fe3O4 nanoparticles on a carbon layer in FeC nanocomposite. Adding iron to the previous solid resulted in the formation of γ-Fe2O3 coating on the FeC type structure as in Fe/FeC composite. The highest dye adsorption capacity was 15.5 mg·g−1 for FeC nanocomposite at 25 °C with the isotherms fitting well with the Langmuir model. The removal efficiency of 98.4% was obtained with a pristine Fe sample under similar experimental conditions.

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“…Therefore, it is necessary to find a suitable way to quickly remove Cr(VI). At present, different ways have been adopted to remove Cr(VI), for instance precipitation, electrodialysis, biology, and adsorption . Among them, adsorption method is favored by many researchers for its fast, cheap, convenient, environmentally friendly and other advantages.…”

Section: Introductionmentioning

confidence: 99%

Improved Removal of Cr(VI) using Fe₃O₄/C Magnetic Nanocomposites Derived from Potassium Fulvic Acid

Lin

Tian

et al. 2019

ChemistrySelect

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The development of high performance magnetic nanomaterials has a good application prospect in wastewater treatment. Herein, Fe3O4/C nanocomposites was synthesized by eco‐friendly hydrolysis‐calcination method using potassium fulvic acid (FA−K) and FeCl3⋅6H2O as raw materials. The morphology of Fe3O4/C nanocomposites exhibited a loose pore structure with uniform size (a diameter ∼ 27 nm). The prepared Fe3O4/C nanocomposites possessed excellent dispersibility and magnetic properties in aqueous solution. The removal efficiency and maximum adsorption capacity of Fe3O4/C nanocomposites were 98% and 64.0 mg g−1, respectively. Moreover, it was confirmed that the adsorption mechanism of Cr(VI) contains electrostatic attraction and redox reaction. In this work, we provide a convenient means for manufacturing Fe3O4/C nanocomposites, and prove that FA−K is a cheap carbon source for manufacturing Fe3O4/C nanocomposites, which makes Fe3O4/C nanocomposites have potential application value in the effective adsorption of Cr(VI).

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Hierarchical Fe3O4/C with a flower-like morphology: A highly efficient and reusable dye adsorbent

Cited by 17 publications

References 49 publications

Metal–organic frameworks derived magnetic Fe₃O₄/C for catalytic transfer hydrogenation of furfural to furfuryl alcohol

Metal–organic frameworks derived magnetic Fe₃O₄/C for catalytic transfer hydrogenation of furfural to furfuryl alcohol

Acid Red 66 Dye Removal from Aqueous Solution by Fe/C-based Composites: Adsorption, Kinetics and Thermodynamic Studies

Improved Removal of Cr(VI) using Fe₃O₄/C Magnetic Nanocomposites Derived from Potassium Fulvic Acid

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Hierarchical Fe3O4/C with a flower-like morphology: A highly efficient and reusable dye adsorbent

Cited by 17 publications

References 49 publications

Metal–organic frameworks derived magnetic Fe3O4/C for catalytic transfer hydrogenation of furfural to furfuryl alcohol

Metal–organic frameworks derived magnetic Fe3O4/C for catalytic transfer hydrogenation of furfural to furfuryl alcohol

Acid Red 66 Dye Removal from Aqueous Solution by Fe/C-based Composites: Adsorption, Kinetics and Thermodynamic Studies

Improved Removal of Cr(VI) using Fe3O4/C Magnetic Nanocomposites Derived from Potassium Fulvic Acid

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Product

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Metal–organic frameworks derived magnetic Fe₃O₄/C for catalytic transfer hydrogenation of furfural to furfuryl alcohol

Metal–organic frameworks derived magnetic Fe₃O₄/C for catalytic transfer hydrogenation of furfural to furfuryl alcohol

Improved Removal of Cr(VI) using Fe₃O₄/C Magnetic Nanocomposites Derived from Potassium Fulvic Acid