Flax seeds based magnetic hybrid nanocomposite: An advance and sustainable material for water cleansing

Choudhry, Arshi; Sharma, Atul; Khan, Tabrez Alam

doi:10.1016/j.jwpe.2021.102150

Cited by 44 publications

(26 citation statements)

References 59 publications

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“…10 Therefore, it has become popular to search for new materials that could be used for adsorption. 4 Recently, all kinds of materials, such as zeolite, 11 fungal mycelium, 12 chitosan 2 and biochar, 13 have been researched to purify wastewater containing heavy metal ions. Nevertheless, these materials also exhibited some defects.…”

Section: Introductionmentioning

confidence: 99%

“…3 Therefore, its removal from industrial effluents is necessary before discharge into the natural environment. 4 Currently, how to deal with Cu( ii ) in wastewater has become an issue of wide concern. There have been considerable applications of many reported methods, including electrocatalytic degradation, 5 ion-exchange, 6 reverse osmosis, 7 distillation 8 and adsorption.…”

Section: Introductionmentioning

confidence: 99%

“…10 Therefore, it has become popular to search for new materials that could be used for adsorption. 4…”

Section: Introductionmentioning

confidence: 99%

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Investigating the adsorption behavior of functional biochar-based porous composite for efficiently removing Cu(ii) in aqueous solution

Jin

et al. 2022

New J. Chem.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Investigating the adsorption behavior of functional biochar-based porous composite for efficiently removing Cu(ii) in aqueous solution

Jin

et al. 2022

New J. Chem.

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“…The excellent adsorption capacity of arsenic by ferrihydrite could be due to the nanoscale of its particles, poorly crystalline and high specific surface area 20 , 28 , 29 . The adsorption behaviour and mechanisms of As(V) and As(III) on ferrihydrite have been widely performed with the help of batch adsorption experiments and spectroscopic techniques 20 , 21 , 28 – 31 . Many environmental factors, such as solution pH, background electrolyte concentration, adsorption temperature, competing cations/anions and different precipitated reaction media, have been also considered 29 , 31 – 33 .…”

Section: Introductionmentioning

confidence: 99%

“…The adsorption behaviour and mechanisms of As(V) and As(III) on ferrihydrite have been widely performed with the help of batch adsorption experiments and spectroscopic techniques 20 , 21 , 28 – 31 . Many environmental factors, such as solution pH, background electrolyte concentration, adsorption temperature, competing cations/anions and different precipitated reaction media, have been also considered 29 , 31 – 33 . These results indicated that inner-sphere surface complexes formed by ligand exchange reactions were the predominant adsorption mechanisms of As(V), while As(III) forms both inner-sphere and outer-sphere surface complexes 28 , 30 .…”

Section: Introductionmentioning

confidence: 99%

Arsenic removal performance and mechanism from water on iron hydroxide nanopetalines

Wang

Zhang

Guo

et al. 2022

Sci Rep

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Human health has been seriously endangered by arsenic pollution in drinking water. In this paper, iron hydroxide nanopetalines were synthesized through a precipitation method using KBH4 and their performance and mechanism of As(V) and As(III) removal were investigated. The prepared material was characterized by SEM–EDX, XRD, BET, zeta potential and FTIR analyses. Batch experiments indicated that the iron hydroxide nanopetalines exhibited more excellent performance for As(V) and As(III) removal than ferrihydrite. The adsorption processes were very fast in the first stage, followed a relatively slower adsorption rate and reached equilibria after 24 h, and the reaction could be fitted best by the pseudo-second order model, followed by the Elovich model. The adsorption isotherm data followed to the Freundlich model, and the maximal adsorption capacities of As(V) and As(III) calculated by the Langmuir model were 217.76 and 91.74 mg/g at pH 4.0, respectively, whereas these values were 187.84 and 147.06 mg/g at pH 8.0, respectively. Thermodynamic studies indicated that the adsorption process was endothermic and spontaneous. The removal efficiencies of As(V) and As(III) were significantly affected by the solution pH and presence of PO43– and citrate. The reusability experiments showed that more than 67% of the removal efficiency of As(V) could be easily recovered after four cycles. The SEM and XRD analyses indicated that the surface morphology and crystal structure before and after arsenic removal were stable. Based on the analyses of FTIR, XRD and XPS, the predominant adsorption mechanism was the formation of inner-sphere surface complexes by the surface hydroxyl exchange reactions of Fe–OH groups with arsenic species. This research provides a new strategy for the development of arsenic immobilization materials and the results confirm that iron hydroxide nanopetalines could be considered as a promising material for removing arsenic from As-contaminated water for their highly efficient performance and stability.

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Cobalt Ferrite Incorporated Ocimum sanctum Nanocomposite Matrix as an Interface for Adsorption of Organic Dyes: A Sustainable Alternative

et al. 2023

Self Cite

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The preparation of Cobalt ferrite-Ocimum sanctum nanocomposite, referred to as CoFe 2 O 4 /OS, has been reported along with its application for the treatment of water containing hazardous organic contaminants. A simple co-precipitation approach was applied for synthesis of magnetic nanocomposite, and a thorough analysis for its characterization was conducted using several spectroscopic and microscopic techniques. The characterization results showed that the magnetic nanocomposite exhibited substantial functional groups of Ocimum sanctum powder and magnetic ferrite part. The adsorption investigation of nanocomposite for removal of two cationic dyes was carried out with varying parameters, such as pH, contact time, temperature, concentration, and composite dosage. The sorption process was proved feasible and exothermic at the tested temperatures (303-323 K). The sorption data followed Freundlich and Temkin isotherms which recommended the physisorption progression. The kinetic study revealed a pseudo-second order rate of sorption process for both dye molecules. The facile preparation, economical cost, significant magnetic character, and high sorption capacity will surely construct the water treatment system more competent with the use of CoFe 2 O 4 /OS.

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Flax seeds based magnetic hybrid nanocomposite: An advance and sustainable material for water cleansing

Cited by 44 publications

References 59 publications

Investigating the adsorption behavior of functional biochar-based porous composite for efficiently removing Cu(ii) in aqueous solution

Investigating the adsorption behavior of functional biochar-based porous composite for efficiently removing Cu(ii) in aqueous solution

Arsenic removal performance and mechanism from water on iron hydroxide nanopetalines

Cobalt Ferrite Incorporated Ocimum sanctum Nanocomposite Matrix as an Interface for Adsorption of Organic Dyes: A Sustainable Alternative

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