Removal of anthracene in water by MIL-88(Fe), NH<sub>2</sub>-MIL-88(Fe), and mixed-MIL-88(Fe) metal–organic frameworks

Zango, Zakariyya Uba; Jumbri, Khairulazhar; Sambudi, Nonni Soraya; Bakar, Noor Hana Hanif Abu; Abdullah, Nor Ain Fathihah; Basheer, Chanbasha; Saad, Bahruddin

doi:10.1039/c9ra08660a

Cited by 75 publications

(26 citation statements)

References 54 publications

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“…Figure 2a exhibits the XRD patterns of as-synthesized MIL-88B-Fe and simulated MIL-88B-Fe. The diffraction peaks are indeed matched with that of the reported MIL-88B-Fe structure [26], confirming the successful preparation of MIL-88B-Fe MOF. The molecular structure of MIL-88B-Fe is further investigated by FTIR spectrum, and the relevant result is presented in Fig.…”

Section: Characterization Of Mil-88b-fe Mofsupporting

confidence: 78%

Facile preparation of MIL-88B-Fe metal–organic framework with high peroxidase-like activity for colorimetric detection of hydrogen peroxide in milk and beer

Chai

Yan

et al. 2021

Appl. Phys. A

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Hydrogen peroxide (H 2 O 2 ) was widely applied as the bactericide and bleach agent in food industry due to its strong oxidation, whose residue had also posed a hazard to public health at the same time. Therefore, it was indispensable to establish a simple, highly effective and accurate method for the detection of H 2 O 2 in foods. Herein, the MIL-88B-Fe metal-organic framework (MOF) was prepared by a facile solvothermal process and utilized as the peroxidase mimic for H 2 O 2 detection. The resultant MIL-88B-Fe MOF exhibited an excellent peroxidase mimetic activity to effectively catalyse the oxidation of 3,3',5,5'-tetramethylbenzidine (TMB) in the presence of H 2 O 2 , generating a blue coloured product. Under the optimal testing conditions, the linear absorbance response is well correlated with the H 2 O 2 concentration ranging from 10 to 100 μM with a detection limit of 0.60 μM. The catalytic kinetic assay suggested that the MIL-88B-Fe MOF possessed the higher affinity towards both the substrate TMB and H 2 O 2 than horseradish peroxidase. Moreover, the MIL-88B-Fe MOF also displayed a high selectivity and anti-interference performance towards H 2 O 2 detection. In addition, the peroxidase mimetic catalytic oxidation TMB mechanism over the MIL-88B-Fe MOF was clarified by the photoluminescence test. Benefitting from the sensitive response and good anti-interference capacity, this method was applied in real milk and beer samples for H 2 O 2 detection and showed a favourable reproducibility and feasibility. These results indicated that the proposed method based on MIL-88B-Fe as peroxidase mimic might be a promising candidate for H 2 O 2 detection in food field.

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Section: Characterization Of Mil-88b-fe Mofsupporting

confidence: 78%

Facile preparation of MIL-88B-Fe metal–organic framework with high peroxidase-like activity for colorimetric detection of hydrogen peroxide in milk and beer

Chai

Yan

et al. 2021

Appl. Phys. A

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“…The Langmuir, Freundlich and Temkin isotherms were used to describe the adsorption of MCPA onto MIL-101(Cr). The models are described by the following equations [ 39 ].…”

Section: Methodsmentioning

confidence: 99%

Removal of 4-chloro-2-methylphenoxyacetic acid from water by MIL-101(Cr) metal-organic framework: kinetics, isotherms and statistical models

et al. 2021

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Effective removal of 4-chloro-2-methylphenoxyacetic acid (MCPA), an emerging agrochemical contaminant in water with carcinogenic and mutagenic health effects has been reported using hydrothermally synthesized MIL-101(Cr) metal-organic framework (MOF). The properties of the MOF were ascertained using powdered X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, thermal gravimetric analysis (TGA), field emission scanning electron microscopy (FESEM) and surface area and porosimetry (SAP). The BET surface area and pore volume of the MOF were 1439 m 2 g −1 and 0.77 cm 3 g −1 , respectively. Artificial neural network (ANN) model was significantly employed for the accurate prediction of the experimental adsorption capacity ( q e ) values with minimal error. A rapid removal of the pollutant (99%) was recorded within short time (approx. 25 min), and the reusability of the MOF (20 mg) was achieved up to six cycles with over 90% removal efficiency. The kinetics, isotherm and thermodynamics of the process were described by the pseudo-second-order, Freundlich and endothermic adsorption, respectively. The adsorption process is spontaneous based on the negative Gibbs free energy values. The significant correlation between the experimental findings and simulation results suggests the great potential of MIL-101(Cr) for the remediation of MCPA from water matrices.

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“…In a study by Chen et al [ 58 ] UiO-66 showed significantly higher adsorption capacity of tetracycline hydrochloride (TH; 23.1 mg/g) antibiotics compared to the adsorption capacity of AC for the same substance (1.98 mg/g) previously reported [ 59 ]. In a report by Zango et al [ 60 ] MIL-88(Fe) showed an adsorption capacity of 23.6 mg/g for adsorption of highly toxic PAH anthracene (ANT), performing better than AC with an adsorption capacity of 8.35 mg/g in a previous report [ 61 ]. Several other reports of MOF application as adsorbents of wastewater emerging pollutant and their adsorptive performance are listed in Table 1 .…”

Section: Specific Improvement Strategies Related To Each Role Of Metal-organic Framework In Wastewater Treatmentmentioning

confidence: 99%

Recent Improvement Strategies on Metal-Organic Frameworks as Adsorbent, Catalyst, and Membrane for Wastewater Treatment

et al. 2021

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The accumulation of pollutants in water is dangerous for the environment and human lives. Some of them are considered as persistent organic pollutants (POPs) that cannot be eliminated from wastewater effluent. Thus, many researchers have devoted their efforts to improving the existing technology or providing an alternative strategy to solve this environmental problem. One of the attractive materials for this purpose are metal-organic frameworks (MOFs) due to their superior high surface area, high porosity, and the tunable features of their structures and function. This review provides an up-to-date and comprehensive description of MOFs and their crucial role as adsorbent, catalyst, and membrane in wastewater treatment. This study also highlighted several strategies to improve their capability to remove pollutants from water effluent.

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Removal of anthracene in water by MIL-88(Fe), NH₂-MIL-88(Fe), and mixed-MIL-88(Fe) metal–organic frameworks

Abstract: Three adsorbents based on the metal–organic frameworks (MOFs), viz.; MIL-88(Fe), NH2-MIL-88(Fe), and mixed-MIL-88(Fe) were synthesized using a microwave-assisted solvothermal technique.

Cited by 75 publications

References 54 publications

Facile preparation of MIL-88B-Fe metal–organic framework with high peroxidase-like activity for colorimetric detection of hydrogen peroxide in milk and beer

Facile preparation of MIL-88B-Fe metal–organic framework with high peroxidase-like activity for colorimetric detection of hydrogen peroxide in milk and beer

Removal of 4-chloro-2-methylphenoxyacetic acid from water by MIL-101(Cr) metal-organic framework: kinetics, isotherms and statistical models

Recent Improvement Strategies on Metal-Organic Frameworks as Adsorbent, Catalyst, and Membrane for Wastewater Treatment

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Removal of anthracene in water by MIL-88(Fe), NH2-MIL-88(Fe), and mixed-MIL-88(Fe) metal–organic frameworks

Abstract: Three adsorbents based on the metal–organic frameworks (MOFs), viz.; MIL-88(Fe), NH2-MIL-88(Fe), and mixed-MIL-88(Fe) were synthesized using a microwave-assisted solvothermal technique.

Cited by 75 publications

References 54 publications

Facile preparation of MIL-88B-Fe metal–organic framework with high peroxidase-like activity for colorimetric detection of hydrogen peroxide in milk and beer

Facile preparation of MIL-88B-Fe metal–organic framework with high peroxidase-like activity for colorimetric detection of hydrogen peroxide in milk and beer

Removal of 4-chloro-2-methylphenoxyacetic acid from water by MIL-101(Cr) metal-organic framework: kinetics, isotherms and statistical models

Recent Improvement Strategies on Metal-Organic Frameworks as Adsorbent, Catalyst, and Membrane for Wastewater Treatment

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Removal of anthracene in water by MIL-88(Fe), NH₂-MIL-88(Fe), and mixed-MIL-88(Fe) metal–organic frameworks