Synthesis of Schiff's base magnetic crosslinked chitosan-glyoxal/ZnO/Fe3O4 nanoparticles for enhanced adsorption of organic dye: Modeling and mechanism study

Reghioua, Abdallah; Barkat, Djamel; Jawad, Ali H.; Abdulhameed, Ahmed Saud; Khan, Mohammad Rizwan

doi:10.1016/j.scp.2021.100379

Cited by 73 publications

(30 citation statements)

References 61 publications

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“…A composite material of magnetic crosslinked chitosan-glyoxal/ZnO/Fe3O4 nanoparticles (CS-G/ZnO/Fe3O4 NPs) was used in the adsorption of reactive blue 19 [62]. The compound was firstly produced by first Schiff's base magnetic crosslinked chitosanglyoxal/Fe3O4 composite (CS-G/Fe3O4) synthesis, and further loading of zinc oxide nanoparticles into the polymeric matrix.…”

Section: Table 4 Performance Of the Adsorbent At Various Activation And Methods Of Activationmentioning

confidence: 99%

Organic Dyes Versus Adsorption Processing

López

2021

Preprint

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Even in the first quarter of XXI century, the presence of organic dyes in wastewaters is a normal occurrence in a series of countries, and being these compounds toxics, their removal from these waters is of a necessity. Among the separation technologies, adsorption processing appeared as one of the most widely used to reach this goal. The present work reviewed the most recent approaches (first half of 2021 year) about the use of a variety of adsorbents on the removal of, also, a variety of organic dyes of different nature.

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Section: Table 4 Performance Of the Adsorbent At Various Activation And Methods Of Activationmentioning

confidence: 99%

Organic Dyes Versus Adsorption Processing

López

2021

Preprint

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“…A composite material of magnetic cross-linked chitosan-glyoxal/ZnO/Fe 3 O 4 nanoparticles (CS-G/ZnO/Fe 3 O 4 NPs) was used in the adsorption of reactive blue 19 [ 24 ]. The compound was firstly produced by first Schiff’s base magnetic cross-linked chitosan-glyoxal/Fe 3 O 4 composite (CS-G/Fe 3 O 4 ) synthesis and then further by the loading of zinc oxide nanoparticles into the polymeric matrix.…”

Section: Adsorbents For the Removal Of Anionic Dyes From Watersmentioning

confidence: 99%

Organic Dyes versus Adsorption Processing

López

2021

Molecules

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Even in the first quarter of the XXI century, the presence of organic dyes in wastewaters was a normal occurrence in a series of countries. As these compounds are toxic, their removal from these waters is a necessity. Among the separation technologies, adsorption processing appeared as one of the most widely used to reach this goal. The present work reviewed the most recent approaches (first half of the 2021 year) regarding the use of a variety of adsorbents in the removal of a variety of organic dyes of different natures.

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“…Water pollution due to the effluents discharged daily by various industries, such as textiles, pharmaceuticals, paper, plastics and cosmetics, is considered one of the biggest environmental problems in the world [ 1 , 2 ]. Effluents derived from these industries are often rich in dyes [ 3 , 4 ].…”

Section: Introductionmentioning

confidence: 99%

Adsorption Behavior of Crystal Violet and Congo Red Dyes on Heat-Treated Brazilian Palygorskite: Kinetic, Isothermal and Thermodynamic Studies

et al. 2021

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The effect of heat treatment on the adsorptive capacity of a Brazilian palygorskite to remove the dyes crystal violet (CV) and congo red (CR) was investigated. The natural palygorskite was calcined at different temperatures (300, 500 and 700 °C) for 4 h. Changes in the palygorskite structure were evaluated using X-ray diffraction, X-ray fluorescence, thermogravimetric and differential thermal analysis, N2 adsorption/desorption and Fourier transform infrared spectroscopy. The adsorption efficiency of CV and CR was investigated through the effect of initial concentration, contact time, temperature, pH and dosage of adsorbent. The calcination increased the adsorption capacity of palygorskite, and the greatest adsorption capacity of CV and CR dyes occurred in the sample calcined at 700 °C (Pal-700T). The natural and calcined samples at 300 and 500 °C followed the Freundlich isothermal model, while the Pal-700T followed the Langmuir isothermal model. Adsorption kinetics results were well described by the Elovich model. Pal-700T showed better adsorption performance at basic pH, with removal greater than 98%, for both dyes. Pal-700T proved to be a great candidate for removing cationic and anionic dyes present in water.

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Synthesis of Schiff's base magnetic crosslinked chitosan-glyoxal/ZnO/Fe3O4 nanoparticles for enhanced adsorption of organic dye: Modeling and mechanism study

Cited by 73 publications

References 61 publications

Organic Dyes Versus Adsorption Processing

Organic Dyes Versus Adsorption Processing

Organic Dyes versus Adsorption Processing

Adsorption Behavior of Crystal Violet and Congo Red Dyes on Heat-Treated Brazilian Palygorskite: Kinetic, Isothermal and Thermodynamic Studies

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