Fe3O4-multiwalled carbon nanotubes-bentonite as adsorbent for removal of methylene blue from aqueous solutions

Abutaleb, Ahmed; Imran, Mohd; Khan, Afzal Husain; Hussain, Shahir; Ali, Mohammad Ashraf; Bakather, Omer Y.; Gondal, M.A.; Khan, Nadeem Ahmad; Panchal, Hitesh; Zahmatkesh, Sasan

doi:10.1016/j.chemosphere.2023.137824

Cited by 56 publications

(12 citation statements)

References 60 publications

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“…In this case, it is observed that the K f of Fr-fMWCNT-Fe 3 O 4 (Figure a) is higher than that of the Fr-fMWCNT (Figure b). However, the adsorption intensity ( n ) of Fr-fMWCNT-Fe 3 O 4 is slightly higher than that of Fr-fMWCNT, representing that the existence of Fe 3 O 4 may enhance the affinity of the carbon nanotube surface for Fr-fMWCNT molecules …”

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

“…However, the adsorption intensity (n) of Fr-fMWCNT-Fe 3 O 4 is slightly higher than that of Fr-fMWCNT, representing that the existence of Fe 3 O 4 may enhance the affinity of the carbon nanotube surface for Fr-fMWCNT molecules. 72 To examine the correlation between the amount of adsorption and the equilibrium adsorption amount at a specific period, the PFO and PSO models were employed. The mathematical expression for the PFO model is as follows:…”

Section: Adsorption Isotherm Studymentioning

confidence: 99%

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Frankincense-Based Functionalized Multiwalled Carbon Nanotubes with Iron Oxide Composites for Efficient Removal of Crystal Violet: Kinetic and Equilibrium Analysis

Hussain,

Hussaini,

Shariq

et al. 2024

ACS Omega

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In this study, novel adsorbents were developed by functionalizing multiwalled carbon nanotubes with frankincense (Fr-fMWCNT) and adding iron oxide (Fe 3 O 4 ) to the adsorbent (Fr-fMWCNT-Fe 3 O 4 ). The morphology, surface characteristics, and chemical nature of the synthesized samples were analyzed by using various characterization techniques. The prepared adsorbents were then applied for the elimination of the toxic dye, crystal violet (CV), from waterbased solutions by employing a batch adsorption method. The effectiveness of materials for the adsorption of CV was investigated by tuning various effective experimental parameters (adsorbent dosage, dye quantity, pH, and contact time). In order to derive adsorption isotherms, the Langmuir and Freundlich adsorption models were investigated and compared. The Fr-fMWCNT and Fr-fMWCNT-Fe 3 O 4 were found to remove 85 and 95% of the CV dye within 30 min of the adsorption experiment at pH 6, respectively. It was found that a pseudo-second-order reaction rate was consistent with the experimental adsorption kinetics. The equilibrium data demonstrated that the Langmuir model adequately explained the adsorption behavior of the CV dye on the Fr-fMWCNT and Fr-fMWCNT-Fe 3 O 4 surfaces, respectively. According to the Langmuir study, the highest adsorption capacities of the dye are 434 mg/g for Fr-fMWCNT and 500 mg/g for Fr-fMWCNT-Fe 3 O 4 . Remediation of the CV dye using our novel composite materials has not been reported previously in the literature. The synthesized Fr-fMWCNT and Fr-fMWCNT-Fe 3 O 4 adsorbents can be economical and green materials for the adsorptive elimination of CV dye from wastewater.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Adsorption Isotherm Studymentioning

confidence: 99%

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Frankincense-Based Functionalized Multiwalled Carbon Nanotubes with Iron Oxide Composites for Efficient Removal of Crystal Violet: Kinetic and Equilibrium Analysis

Hussain,

Hussaini,

Shariq

et al. 2024

ACS Omega

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“…Among these methods, adsorption is considered a prospect approach since its high efficiency, great selectivity, easy operation, facile separation of adsorbent and adsorbate, and low cost (Rajendran et al 2022). So far, adsorbents such as activated carbon, metal organic framework (MOF), and carbon nanotubes have been employed for wastewater treatment, and their adsorption kinetics and mechanisms have also been investigated (Wang et al 2023;Lin et al 2023;Abutaleb et al 2023). However, most of commercial adsorbents have fatal weaknesses in practical applications.…”

Section: Introductionmentioning

confidence: 99%

A novel porous amino-functionalized cellulose composite for highly efficient adsorption of anionic pollutant in water: behavior and mechanism

Sun,

Deng,

et al. 2024

Preprint

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A large amount of domestic and industrial wastewater can pose a great threat to our environment. Thus, searching effective and eco-friendly ways for adsorbing and removing toxic substances (Cr6+, Mn7+, and methyl orange (MO)) in wastewater is urgent and highly desirable. An efficient, mesoporous, and amino-functionalized polydivinylbenzene (PDVB)-cellulose nanocrystal (CNC/PDVB-NH2) with high stability and super-hydrophobicity was developed by crosslinking in this study. The pseudo-second-order model and Langmuir model expressed the adsorption kinetics and isotherm well, indicating the adsorption of Cr6+ and Mn7+ ions on CNC/PDVB-NH2 was monolayer chemisorption. The maximum adsorption amount (qm) of Cr6+ and Mn7+ ions on CNC/PDVB-NH2 was 130.39 mg/g and 308.94 mg/g, respectively. For negatively charged dye methyl orange (MO) also maintain adsorption effect. These results indicated the CNC/PDVB-NH2 can be used as an efficient and reliable absorbent for wastewater treatment, which was worthy of promotion for large-scale application.

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“…The fundamental goal of nanofluid research has, from the very beginning, not been to decrease the viscosity of nanofluids but rather to increase their thermal conductivity and their ability to transmit heat 4 , 5 . A nanofluid is a fluid that consists of a base fluid that contains one or more types of nanoparticles scattered throughout the fluid 6 , 7 . Nanofluids are preferable to microfluidics due to their higher thermal conductivity and lower viscosity when it comes to applications that also include heat transfer.…”

Section: Introductionmentioning

confidence: 99%

Study comparing the tribological behavior of propylene glycol and water dispersed with graphene nanopowder

Haribabu¹,

Surakasi²,

Thimothy³

et al. 2023

Sci Rep

Self Cite

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Nanofluids made up of propylene glycol, and water and graphene nanopowder dispersed throughout them are the primary focus of our study. Nanofluids were created by mixing propylene glycol and water in quantities of 100:0, 75:25, and 50:50. The essential fluids used in this experiment were propylene glycol and water. Graphene was dispersed in these three different base fluids at percentages of 0.25 and 0.5, respectively. This body of work's fundamental objective is to explore nanofluids' tribological behavior. This behavior was observed with a pin-on-disc device, and the impact for load on wear, coefficient of friction, and frictional force was investigated. The tests were conducted with weights ranging from 1 to 3 kg. It was revealed that as the load ascended, there was a reduction in the amount of wear, the coefficient of friction, and the frictional force for the most of the samples tested. Still, there was an increase in the amount of wear and friction coefficient, including the frictional force for some of the samples.

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Fe3O4-multiwalled carbon nanotubes-bentonite as adsorbent for removal of methylene blue from aqueous solutions

Cited by 56 publications

References 60 publications

Frankincense-Based Functionalized Multiwalled Carbon Nanotubes with Iron Oxide Composites for Efficient Removal of Crystal Violet: Kinetic and Equilibrium Analysis

Frankincense-Based Functionalized Multiwalled Carbon Nanotubes with Iron Oxide Composites for Efficient Removal of Crystal Violet: Kinetic and Equilibrium Analysis

A novel porous amino-functionalized cellulose composite for highly efficient adsorption of anionic pollutant in water: behavior and mechanism

Study comparing the tribological behavior of propylene glycol and water dispersed with graphene nanopowder

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