Effective removal of Allura red food dye from water using cross-linked chitosan-diatomite composite beads

Şen, Neşet Erek; Şenol, Zeynep Mine

doi:10.1016/j.ijbiomac.2023.126632

Cited by 15 publications

(1 citation statement)

References 42 publications

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“…The Dubinin–Radushkevich (D-R) isotherm model has been applied to assess the adsorption from an energy perspective and assumes that it occurs on the porous surface 45 . The D-R model states that the pore structure of the surface where adsorption occurs affects the adsorption potential.…”

Section: Resultsmentioning

confidence: 99%

Inclusive study of peanut shells derived activated carbon as an adsorbent for removal of lead and methylene blue from water

Hashem,

El-Maghrabey,

El-Shaheny

2024

Sci Rep

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Green and efficient agro-waste-based activated carbon has been prepared utilizing peanut shells for adsorptive elimination of an industrial dye, methylene blue, and lead from polluted water. The carbonaceous biomass obtained from peanut shells was chemically activated using either NaOH, ZnCl2, or steam and characterized by scanning electron microscopy, Fourier-transform infrared spectroscopy, and N2 adsorption and desorption studies. The adsorption process was optimal for methylene blue at alkaline pH, while pH 4.5 was optimal for Pb (II) adsorption. The adsorption takes place through pseudo-second-order kinetic, and the rate-governing step of the adsorption procedure are intraparticle diffusion and film diffusion. Furthermore, the thermodynamics of the adsorption process has been studied, and the obtained Gibbs free energy (ΔG°) values are negative (− 35.90 to − 43.59 kJ mol−1) indicating the spontaneous adsorption of the investigated pollutants on the prepared activated carbon. As per the correlation coefficient, the obtained results were best fit by the Langmuir isotherm with maximum adsorption capacity of 303.03 mg g−1 for methylene blue and 130.89 mg g−1 for Pb (II). The activated carbon successfully removed methylene blue and Pb (II) with %removal exceeding 95%. The mechanisms of interaction of Pb (II) with the activated carbon is a combination of electrostatic interaction and ion exchange, while methylene blue interacts with the activated carbon via π–π interaction, hydrogen bonds, and electrostatic interaction. Thus, the prepared activated carbon has been employed to decontaminate wastewater and groundwater samples. The developed agro-waste-based activated carbon is a promising, cost-efficient, green, and accessible tool for water remediation.

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Section: Resultsmentioning

confidence: 99%

Inclusive study of peanut shells derived activated carbon as an adsorbent for removal of lead and methylene blue from water

Hashem,

El-Maghrabey,

El-Shaheny

2024

Sci Rep

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Characterization of Different Clay Mines and Preparation and Preservation Properties for Lateolabrax japonicas Fillets Unidirectional Water‐Conducting Preservation Pads Loading Clay Mines

Huang,

Xv,

Qiao

et al. 2024

Packag Technol Sci

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In order to inhibit the growth and reproduction of microorganisms in the exudate of fresh aquatic products during storage. Absorbent paper, absorbent cotton and nylon mesh were used as the substrates, three types of clay minerals (diatomite, columnar diatomite and bentonite) were used as the water absorbing materials and a new type of unidirectional water‐conducting preservation pads was prepared. The physicochemical properties of water absorbing materials and preservation properties of pads for Lateolabrax japonicas fillets were measured. The results show that all three kinds of clay have good water absorption properties, and bentonite exhibits the highest water retention properties because of metal oxide. After absorbing water, the surface holes of diatomite and columnar diatomite particles are blocked, while the volume of bentonite particles increases. Bentonite absorbs water slowly but retains water best and can absorb 10.31 times its own mass of water. Preservation study shows that water absorption preservation pads can effectively absorb the exudate of fish fillets and slow down the deterioration of fish fillet quality. Bentonite preservation pad shows the best effective and extends the shelf life of L. japonicas fillets from 6 to 9.3 days. This research can provide the technical support for the application of preservation pads carrying clay minerals in the field of fresh aquatic products.

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Simultaneous Removal of Eriochrome Black T and Chromate Anions from Aqueous Solution Using Functionalized Hybrid Magnetic Polymers

Alghamdi,

Mohammad,

Elwakeel

2024

J Polym Environ

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Effective removal of Allura red food dye from water using cross-linked chitosan-diatomite composite beads

Cited by 15 publications

References 42 publications

Inclusive study of peanut shells derived activated carbon as an adsorbent for removal of lead and methylene blue from water

Inclusive study of peanut shells derived activated carbon as an adsorbent for removal of lead and methylene blue from water

Characterization of Different Clay Mines and Preparation and Preservation Properties for Lateolabrax japonicas Fillets Unidirectional Water‐Conducting Preservation Pads Loading Clay Mines

Simultaneous Removal of Eriochrome Black T and Chromate Anions from Aqueous Solution Using Functionalized Hybrid Magnetic Polymers

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