Spirulina Based Iron Oxide Nanoparticles for Adsorptive Removal of Crystal Violet Dye

Bhukal, Santosh; Sharma, Abha; Rishi,; Divya, .; Kumar, Sumit; Bansal, Deepak; Pal, Kaushik; Mona, Sharma

doi:10.1007/s11244-022-01640-3

Cited by 35 publications

(16 citation statements)

References 53 publications

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“…As illustrated in Fig.18, the small peaks seen at 1626.75 cm −1 , 1618.39 cm −1 , and 1623.15 cm −1 indicate the saturated amide group having CO bonding. These aforementioned peak patterns validate the CV dye adsorption on iron oxide nano-adsorbents prepared with bare and ionic liquids 67,68.…”

supporting

confidence: 73%

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Hydrophobic ionic liquid (IL)-based magnetic adsorbents: the way forward to remediate water pollution

Yadav,

Nain,

Dhillayan

et al. 2024

Environ. Sci.: Adv.

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supporting

confidence: 73%

“…These aforementioned peak patterns validate the CV dye adsorption on iron oxide nano-adsorbents prepared with bare and ionic liquids. 67,68…”

Section: Adsorption Mechanismmentioning

confidence: 99%

Hydrophobic ionic liquid (IL)-based magnetic adsorbents: the way forward to remediate water pollution

Yadav,

Nain,

Dhillayan

et al. 2024

Environ. Sci.: Adv.

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“…Figure 6 shows that the percentage of CV removed was consistently higher in the presence of UV light than in the absence of light throughout the 90-minute stirring time. When the stirring was done in the dark, the iron oxide nanoparticles acted as an adsorbent to remove the CV dye, and the CV particles became attached to the surface of the nanoparticles due to their high surface area [12]. As the stirring time increased, more CV dye particles were attached to the surface of iron oxide nanoparticles.…”

Section: Photodegradation Of Crystal Violet Using Iron Oxide Nanopart...mentioning

confidence: 99%

A feasibility study on the green synthesis of iron oxide nanoparticles using Chlorella vulgaris extract for photocatalytic degradation of crystal violet

Rodzi

Kiew

Lam³

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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Iron oxide nanoparticles have recently been proposed as an efficient and environmentally friendly material for wastewater treatment. In comparison to chemical and physical approaches, green nanoparticles synthesis method that employs microalgae or plant extract is regarded as more cost-effective and environmentally friendly. In this study, iron oxide nanoparticles were synthesised using Chlorella vulgaris extract, and their feasibility in removing crystal violet dye from wastewater via photocatalytic degradation was investigated. Iron oxide nanoparticles was synthesized by adding C. vulgaris extract to 0.1 M iron (III) chloride solution. The X-ray diffraction (XRD) peaks revealed that the iron oxide nanoparticles were crystalline in nature. The nanoparticles were also analysed using Field Emission Scanning Electron Microscope (FESEM), revealing a sphere with cylindrical shape of about 109 nm in size, with the Energy Dispersive X-ray (EDX) elemental analysis showing the highest proportion of O followed by Fe. The ability of iron oxide nanoparticles to remove crystal violet dye in the dark and in the presence of ultraviolet (UV) light was investigated. The percentage removal was consistently higher under the presence of UV lamp at all durations tested (30 – 90 minutes), indicating the feasibility of iron oxide nanoparticles to photodegrade crystal violet dye.

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“…So, with remarkable efficiency, the adsorbent was successful in removing CV dye. The ability of nanoparticles to decolorize CV dye from the solution was established using some analytical tools . Carbon-based materials have been applied as adsorbents for the elimination of organic dyes due to their chemical stability and porous morphology.…”

Section: Introductionmentioning

confidence: 99%

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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Spirulina Based Iron Oxide Nanoparticles for Adsorptive Removal of Crystal Violet Dye

Cited by 35 publications

References 53 publications

Hydrophobic ionic liquid (IL)-based magnetic adsorbents: the way forward to remediate water pollution

Hydrophobic ionic liquid (IL)-based magnetic adsorbents: the way forward to remediate water pollution

A feasibility study on the green synthesis of iron oxide nanoparticles using Chlorella vulgaris extract for photocatalytic degradation of crystal violet

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

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