Bimetallic Fe/Al-MOF for the adsorptive removal of multiple dyes: optimization and modeling of batch and hybrid adsorbent-river sand column study and its application in textile industry wastewater

Singh, Hemant; Raj, Sankalp; Rathour, Rishi Karan Singh; Bhattacharya, Jayanta

doi:10.1007/s11356-022-19686-x

Cited by 14 publications

(9 citation statements)

References 66 publications

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“…The FT-IR spectra of H 3 BTC and the three MOGs are shown in Figure 3 B. By comparison with the IR spectrum of H 3 BTC, a series of characteristic peaks of carboxylate group stretching vibrations can be observed in the three MOGs’ spectra (i.e., a strong peak near 1610 cm −1 , a doublet in the range of 1440–1370 cm −1 and a peak at 770 cm −1 coming from the stretching vibrations of the benzene ring in H 3 BTC) [ 28 ]. It is noteworthy that the characteristic peak of pure H 3 BTC at 1710 cm −1 has shifted to lower wavenumbers (1660 cm −1 ) in the case of the MOGs.…”

Section: Resultsmentioning

confidence: 99%

“…Owing to their low density, porosity, and large surface, their applications in catalysis [ 21 ], gas adsorption [ 22 ], sensors [ 23 ], and water purification [ 24 ] have become a research focus in recent decades [ 25 ]. In particular, binary and multiple MOGs have abundant active sites and high porosity, and they exhibit excellent performance owing to the synergistic interaction of multiple metals [ 26 , 27 , 28 , 29 ]. The bimetallic MOGs benefiting from MIL-100 (Fe and Al) have a large pore size and high pore volume, which can trap larger molecules and are especially suitable for dye removal in acidic and neutral environments.…”

Section: Introductionmentioning

confidence: 99%

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Bimetallic Organic Gel for Effective Methyl Orange Dye Adsorption

Jin,

Xu,

et al. 2024

Gels

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A bimetallic organic gel (MOG-Fe/Al) was synthesized through the solvothermal method. The gel state of the product obtained under optimized gel formation conditions is sufficient to carry 2 g of weight for a long time. Scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, Brunauer–Emmett–Teller (BET) technique, and X-ray photoelectron spectroscopy (XPS) analysis confirmed the structures and morphologies of the synthesized materials. MOG-Fe/Al, with good stability, excellent durability, and wide applicability, exhibited efficient MO adsorption capacity as high as 335.88 mg/g at 25 °C. Adsorption-influencing factors including solution pH, contact time, and temperature were investigated. The adsorption performance of the bimetallic organic gel was better than that of the monometallic organic gels (MOG-Fe and MOG-Al), and its adsorption processes were in accordance with the pseudo-second-order kinetic and Langmuir isothermal models. The excellent adsorption capacity of the MOG-Fe/Al is due to its surface structure, pore volume, π-π interactions, hydrogen bonds, and electrostatic interactions.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Bimetallic Organic Gel for Effective Methyl Orange Dye Adsorption

Jin,

Xu,

et al. 2024

Gels

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“…Exposure to Rhodamine B, a cationic dye can lead to cancer and other hazardous effects [52] . Fe/Al‐BDC MOF was synthesized for the removal of this hazardous dye and improve the potability of water [53] . Other kinds of BMOF are also available which can degrade the Rhodamine B dye up to 97.4 % [54] …”

Section: Bmof For Environmental Applicationsmentioning

confidence: 99%

“…[52] Fe/Al-BDC MOF was synthesized for the removal of this hazardous dye and improve the potability of water. [53] Other kinds of BMOF are also available which can degrade the Rhodamine B dye up to 97.4 %. [54] Wu and his co-workers reported for the first time, the application of the Fe/Ni BMOF for the removal of organic dye from wastewater.…”

Section: Bmofs For Treatment Of Organic Pollutants In Watermentioning

confidence: 99%

Bimetallic Metal‐Organic Frameworks (BMOF) and BMOF‐ Incorporated Membranes for Energy and Environmental Applications

Chithra

Varsha

et al. 2023

ChemPlusChem

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Bimetallic metal organic frameworks (BMOFs) are a class of crystalline solids and their structure comprises two metal ions in the lattice. BMOFs show a synergistic effect of two metal centres and enhanced properties compared to MOFs. By controlling the composition and relative distribution of two metal ions in the lattice the structure, morphology, and topology of BMOFs could be regulated resulting in an improvement in the tunability of pore structure, activity, and selectivity. Thus, developing BMOFs and BMOF incorporated membranes for applications such as adsorption, separation, catalysis, and sensing is a promising strategy to mitigate environmental pollution and address the looming energy crisis. Herein we present an overview of recent advancements in the area of BMOFs and a comprehensive review of BMOF incorporated membranes reported to date. The scope, challenges as well as future perspectives for BMOFs and BMOF incorporated membranes are presented.[a] K.

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“…2–4 However, in the last few decades, the finding of geogenic and anthropogenic pollutants in groundwater has resulted in constraints in its usage and supply for communities. 5,6 Of these, non-point-sourced, geogenic, pervasive groundwater arsenic (As), a well-known carcinogen that is reported from aquifers across a few dozens of geographic provinces across the world, is regarded as the most widespread threat to global, safe drinking water supply. 7–9…”

Section: Introductionmentioning

confidence: 99%