Pb(II) removal from aqueous solution by a low-cost adsorbent dry desulfurization slag

Wu, Qiong; You, Ruirong; Clark, Malcolm W.; Yu, Yan

doi:10.1016/j.apsusc.2014.06.154

Cited by 32 publications

(14 citation statements)

References 51 publications

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“…This value is higher than those obtained by other studies with different materials. For example, Wu et al [9] obtained a max value of 130.2 mg/g, which corresponds to only 20% of the capacity obtained in this work (Table 3). These high Pb(II) removal capacities obtained in aqueous media with MOF-5 may be explained by the interaction between the BDC 2− and Pb(II), as reported by Greathouse and Allendorf [31].…”

Section: Adsorption Isothermscontrasting

confidence: 52%

“…Adsorption, in particular, has shown promising results in water treatment in terms of easy operation, high removal efficiency, and its applicability for various pollutants. So far, different materials for removal 2 Journal of Nanomaterials of Pb(II) of water and wastewater by adsorption have been reported, such as dry desulfurization slag [9], magnetic modified sugarcane bagasse [10], hydroxyapatite [11], biochar-alginate capsule [12], and chitosan/Fe-hydroxyapatite nanocomposite [13]. The porous materials are generally considered as efficient adsorbents for organic compounds and heavy metals [14][15][16].…”

Section: Introductionmentioning

confidence: 99%

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Highly Efficient Adsorption of Aqueous Pb(II) with Mesoporous Metal-Organic Framework-5: An Equilibrium and Kinetic Study

Rivera

Rincón

Youssef

et al. 2016

Journal of Nanomaterials

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Mesoporous metal-organic framework-5 (MOF-5), with the composition Zn4O(BDC)3, showed a high capacity for the adsorptive removal of Pb(II) from 100% aqueous media. After the adsorption process, changes in both morphology and composition were detected using a scanning electron microscope (SEM) equipped with an energy dispersive X-ray (EDX) system, Fourier transform infrared spectroscopy (FTIR), and X-ray photoelectron spectroscopy (XPS) analysis. The experimental evidence showed that Zn(II) liberation from MOF-5 structure was provoked by the water effect demonstrating that Pb(II) removal is not due to ionic exchange with Zn. A kinetic study showed that Pb(II) removal was carried out in 30 min with a behavior of pseudo-second-order kinetic model. The experimental data on Pb(II) adsorption were adequately fit by both the Langmuir and BET isotherm models with maximum adsorption capacities of 658.5 and 412.7 mg/g, respectively, at pH 5 and 45°C. The results of this work demonstrate that the use of MOF-5 has great potential for applications in environmental protection, especially regarding the removal of the lead present in industrial wastewaters and tap waters.

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Section: Adsorption Isothermscontrasting

confidence: 52%

Section: Introductionmentioning

confidence: 99%

Highly Efficient Adsorption of Aqueous Pb(II) with Mesoporous Metal-Organic Framework-5: An Equilibrium and Kinetic Study

Rivera

Rincón

Youssef

et al. 2016

Journal of Nanomaterials

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“…The metal ions are usually toxic and resistant to degradation, unlike most of organic pollutants, and their concentration should be reduced to desirable levels before discharging to the environment . Lead, as a hazardous metal ion, is commonly present in the wastewater of various industries, such as metal plating, paint coating, ceramic, glass, and battery manufacturing . It is potentially toxic to human and causes acute adverse effects on the central nervous system, kidney, liver, reproductive system, and especially brain functions .…”

Section: Introductionmentioning

confidence: 99%

Magnetic EDTA Functionalized Preyssler Cross Linked Chitosan Nanocomposite for Adsorptive Removal of Pb(II) Ions

Tanhaei

Ayati

Bamoharram

et al. 2017

CLEAN Soil Air Water

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In this study, the magnetic ethylenediaminetetraacetic acid (EDTA) modified Preyssler/ chitosan/Fe 3 O 4 nanoparticles composite (EDTA-PCF) was introduced as a novel adsorbent for Pb(II) ions removal from aqueous solutions. The characterization study of the prepared EDTA-PCF was carried out by Fourier transform infrared spectrometer (FTIR), scanning electron microscopy (SEM) and N 2 adsorption-desorption isotherms. The adsorption activity of EDTA-PCF was evaluated by the effect of adsorbent dosage, pH and contact time on the Pb(II) ions removal. The optimum values for adsorbent dosage and pH were 1.2 g/L and 5.3, respectively (>99% removal efficiency for [Pb 2þ ] ¼ 10 mg/L). In addition, the kinetic study was carried out using pseudo-first order, pseudo-second order, Bangham, Elovich, and Weber and Morris models and also the Langmuir, Freundlich, and Temkin isotherm models were applied for isothermal study. The results revealed that the pseudo-second-order rate model and Langmuir adsorption model can well describe the adsorption process of Pb(II) ions onto EDTA-PCF. The Weber and Morris model proposed that film and intra-particle diffusion were involved in this adsorption process. The maximum adsorption capacity of Pb(II) onto EDTA-PCF was estimated to be 25.9 mg/g at 25°C.

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“…Lead is one of the most toxic and carcinogenic heavy metals; its major sources are wastewaters from various process industries, such as the textile dying, ceramic, battery and glass, petroleum‐refining, metal‐plating, and mining operation industries . As a persistent environmentally toxic substance, it causes a variety serious health problems, especially in the central nervous system, the kidneys, the liver, the reproductive system, and brain functions .…”

Section: Introductionmentioning

confidence: 99%

Lead(II)‐ion removal by ethylenediaminetetraacetic acid ligand functionalized magnetic chitosan–aluminum oxide–iron oxide nanoadsorbents and microadsorbents: Equilibrium, kinetics, and thermodynamics

Ayati

Tanhaei

Sillanpää

2016

J of Applied Polymer Sci

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Novel nanosized and microsized chitosan–Al2O3–Fe3O4 (CANF and CAMF, respectively) adsorbents were functionalized with ethylenediaminetetraacetic acid (EDTA) ligands and applied to the removal of Pb(II) ions. The prepared adsorbents were characterized by Fourier transform infrared spectroscopy, scanning electron microscopy, and Brunauer–Emmett–Teller analysis, and their adsorption potentials were investigated with Pb(II) as a target metal under various experimental conditions. Our results show that the EDTA functionalization of CANF and CAMF increased their adsorption capacities about 31.5 and 38 times, respectively. The optimum dosage obtained was 1.0 g/L for both EDTA‐functionalized adsorbents, and the maximum adsorption took place at pH = 5.3. The kinetic results revealed that the adsorption obeyed the pseudo‐second‐order model and that the pore diffusion process played a key role in the adsorption kinetics. Also, the results of equilibrium isotherms indicate the good fit of the experimental data by the Langmuir isotherm model under the studied concentration and temperature ranges, and the adsorptions of Pb(II) ions from aqueous solution followed the monolayer coverage of the adsorbents. The maximum Pb(II)‐ion adsorption capacities of EDTA–CANF and EDTA–CAMF were 160 and 157 mg/g, respectively. These metal‐loaded adsorbents could be readily recovered from aqueous solution by magnetic separation and reused. © 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 44360.

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Pb(II) removal from aqueous solution by a low-cost adsorbent dry desulfurization slag

Cited by 32 publications

References 51 publications

Highly Efficient Adsorption of Aqueous Pb(II) with Mesoporous Metal-Organic Framework-5: An Equilibrium and Kinetic Study

Highly Efficient Adsorption of Aqueous Pb(II) with Mesoporous Metal-Organic Framework-5: An Equilibrium and Kinetic Study

Magnetic EDTA Functionalized Preyssler Cross Linked Chitosan Nanocomposite for Adsorptive Removal of Pb(II) Ions

Lead(II)‐ion removal by ethylenediaminetetraacetic acid ligand functionalized magnetic chitosan–aluminum oxide–iron oxide nanoadsorbents and microadsorbents: Equilibrium, kinetics, and thermodynamics

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