Preparation and characterization of poly aniline modified chitosan embedded with ZnO-Fe3O4 for Cu(II) removal from aqueous solution

Rakati, Khodadad Kavosi; Mirzaei, Mehran; Maghsoodi, Sarah; Shahbazi, Amirhossein

doi:10.1016/j.ijbiomac.2019.02.033

Cited by 48 publications

(9 citation statements)

References 82 publications

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“…For Cu(II) ion, the highest sorption capacity is at pH 3 (5.04), the lowest is at pH 1 (0.36), and sorption by phosphogypsum reported zero sorption capacity for both pH 1 and 3 (L. . (Kavosi Rakati et al, 2019) reported similar findings, where the adsorption efficiency of Au(III) metal ions strongly increased from pH 1 to 2. This occurrence demonstrated that the pH of the solution has a significant impact on Au(III) recovery.…”

Section: Sorption Of Au(iii) and Cu(ii) From Single-metal Solutionssupporting

confidence: 67%

Chitosan Beads as Eco-Friendly Biosorbent for the Biosorption of Au(III) and Cu(II) from Aqueous Solutions

Jampang¹,

Hullebusch²,

Siu³

2022

E-BPJ

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This work aimed to study the biosorption of metal ions by chitosan beads, conducted at room temperature by adding chitosan beads into a conical flask containing different initial pH. The flask was agitated, and the concentrations of metal ions were determined using inductively coupled plasma-optical emission spectrometry (ICP-OES). It was found that the sorption percentage and capacity on the effect of pH for metal ions increased with pH and hit a plateau at pH 3 for single-metal solutions, while binary-metal solutions hit a plateau at pH 2. A consideration separation of Au(III) from Cu(II) could also be achieved at pH 3-5. Keywords: biosorption; chitosan beads; Au(III); Cu(II) eISSN: 2398-4287 © 2022. The Authors. Published for AMER ABRA cE-Bs by e-International Publishing House, Ltd., UK. This is an open access article under the CC BYNC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Peer–review under responsibility of AMER (Association of Malaysian Environment-Behaviour Researchers), ABRA (Association of Behavioural Researchers on Asians/Africans/Arabians) and cE-Bs (Centre for Environment-Behaviour Studies), Faculty of Architecture, Planning & Surveying, Universiti Teknologi MARA, Malaysia. DOI: https://doi.org/10.21834/ebpj.v7i21.3667

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Section: Sorption Of Au(iii) and Cu(ii) From Single-metal Solutionssupporting

confidence: 67%

Chitosan Beads as Eco-Friendly Biosorbent for the Biosorption of Au(III) and Cu(II) from Aqueous Solutions

Jampang¹,

Hullebusch²,

Siu³

2022

E-BPJ

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“…This may be due to the application of high pH (5) condition, as the optimized pH for Cr 6+ adsorption lies in the range of 2.5-3.5 [59], while the presence of Ni 2+ , Cu 2+ , and Cd 2+ show a minimal to significant effect on Pb(II) adsorption, with decreased values of 90%, 79%, and 70% from 99%. Again, the solution pH plays an important key role here, as the optimum pH for Ni 2+ adsorption is in the range of 6-7 [60], while for Cu 2+ it is 5.5-6.5 and for Cd 2+ it is 6-8 [61,62]. Therefore, it was concluded that the presence of Ca 2+ , Cu 2+ , and Cd 2+ in the wastewater can significantly affect the Pb(II) on PAC@Fe 3 O 4 based on the pH condition of the system.…”

Section: Impact Of Other Competitive Ionsmentioning

confidence: 99%

In Situ Copolymerized Polyacrylamide Cellulose Supported Fe3O4 Magnetic Nanocomposites for Adsorptive Removal of Pb(II): Artificial Neural Network Modeling and Experimental Studies

et al. 2019

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The inimical effects associated with heavy metals are serious concerns, particularly with respect to global health-related issues, because of their non-ecological characteristics and high toxicity. Current research in this area is focused on the synthesis of poly(acrylamide) grafted Cell@Fe3O4 nanocomposites via oxidative free radical copolymerization of the acrylamide monomer and its application for the removal of Pb(II). The hybrid material was analyzed using different analytical techniques, including thermogravimetric analysis (TGA), Fourier transform-infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and Brunauer–Emmett–Teller (BET) analysis. The efficacious impact of variable parameters, including contact time, pH, material dose, initial Pb(II) concentration, and the temperature, was investigated and optimized using both batch and artificial neural networks (ANN). Surface digestion of metal ions is exceedingly pH-dependent, and higher adsorption efficiencies and adsorption capacities of Pb(II) were acquired at a pH value of 5. The acquired equilibrium data were analyzed using different isotherm models, including Langmuir, Freundlich, Temkin, and Redlich–Peterson models. In this investigation, the best performance was obtained using the Langmuir model. The maximum adsorption capacity of the material investigated via monolayer formation was determined to be 314.47 mg g−1 at 323 K, 239.74 mg g−1 at 313 K, and 100.79 mg g−1 at 303 K.

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“…In addition, it should produce the least amount of sludge. It is thus significant in practical engineering applications to develop adsorbents with high surface areas and a small diffusion resistance 15 . This has been a subject of intensive research, resulting in several different materials such as activated carbon, zeolites and biomaterials all of which have been employed as adsorbents for heavy metal ion removal from wastewater.…”

Section: Introductionmentioning

confidence: 99%

“…It is thus significant in practical engineering applications to develop adsorbents with high surface areas and a small diffusion resistance. 15 This has been a subject of intensive research, resulting in several different materials such as activated carbon, zeolites and biomaterials all of which have been employed as adsorbents for heavy metal ion removal from wastewater. Nevertheless, disadvantages such as low capacity of adsorption, extended time of adsorption, as well as difficult and expensive processes (filtration, centrifugation) for adsorbent removal after the adsorption all serve to limit their large-scale application in water treatment.…”

Section: Introductionmentioning

confidence: 99%

Recyclable functionalized polyethyleneimine‐coated magnetic nanoparticles for efficient removal of lead from aqueous solutions

Tsague,

Abbo,

Yufanyi

et al. 2023

J of Chemical Tech & Biotech

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Background: Lead is among the most lethal heavy metals, displaying toxicity towards humans, animals and plants. Removal of lead ions from wastewater prior to its disposal is very important. Consequently, the development of adsorbents which can effectively remove Pb(II) from water is a subject of growing research interest.Results: Polyethyleneimine-coated magnetic nanoparticles functionalized with various compounds, namely salicylaldehyde, carbon disulfide and o-vanillin, were synthesized and employed in the removal of Pb(II) from aqueous solutions. These compounds act as chelating agents which bind to toxic metal ions to form complex structures which are easily removed from the solutions. A very effective uptake of Pb(II) (98.1% of 25 mg L −1 Pb(II)) was achieved with an adsorbent dose of 10 mg, a contact time of 60 min and at a pH of 6.5. Equilibrium data for isothermal, kinetic and thermodynamic studies indicate that the process of adsorption fitted well with the Langmuir adsorption isotherm model. The kinetics of adsorption proceeded through a pseudo-second-order rate while the thermodynamic parameters indicated that the process was spontaneous and endothermic.Conclusion: Functionalization of iron oxide nanoparticles was confirmed by various techniques. Adsorption factors were optimized in order to achieve maximum removal of Pb(II). The modified magnetic materials are highly effective active sorbent materials. The hydroxyl, thiol and thiocarbamate groups have a synergistic effect on Pb 2+ removal through electrostatic interactions and chelation. Adsorption studies demonstrate that a high adsorption capacity (92%) was achieved within 10 min at 25 °C using the adsorbent MNP@PEI-CS 2 . The nanoadsorbents can be reused without affecting their removal capacity.

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Preparation and characterization of poly aniline modified chitosan embedded with ZnO-Fe3O4 for Cu(II) removal from aqueous solution

Cited by 48 publications

References 82 publications

Chitosan Beads as Eco-Friendly Biosorbent for the Biosorption of Au(III) and Cu(II) from Aqueous Solutions

Chitosan Beads as Eco-Friendly Biosorbent for the Biosorption of Au(III) and Cu(II) from Aqueous Solutions

In Situ Copolymerized Polyacrylamide Cellulose Supported Fe3O4 Magnetic Nanocomposites for Adsorptive Removal of Pb(II): Artificial Neural Network Modeling and Experimental Studies

Recyclable functionalized polyethyleneimine‐coated magnetic nanoparticles for efficient removal of lead from aqueous solutions

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