Removal of the textile dyes by a resin adsorbent polymeric: Insight into optimization, kinetics and isotherms adsorption phenomenally

Bensalah, Jaouad

doi:10.1016/j.inoche.2023.111975

Cited by 9 publications

(2 citation statements)

References 118 publications

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“…Thus, at higher pH values, A negative charge exists at the surface, while the surface is positively charged at pH levels between 7.97 and 8.98. The increased adsorption of methylene blue (MB) in basic media is thus explained by the electrostatic attraction between the surface of the negatively charged adsorbent and the positively charged MB molecules. − …”

Section: Results and Discussionmentioning

confidence: 99%

Adsorption of Methylene Blue Dye and Analysis of Two Clays: A Study of Kinetics, Thermodynamics, and Modeling with DFT, MD, and MC Simulations

Sellak,

Bensalah,

Ouaddari

et al. 2024

ACS Omega

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The purpose of this research was to learn more about the primary and secondary properties of Moroccan natural clay in an effort to better investigate innovative adsorbents and gain access to an ideal adsorption system. Scanning electron microscopy coupled with energy-dispersive X-ray spectroscopy analysis (SEM-EDX) and X-ray fluorescence were employed for identification. SEM revealed clay grains, including tiny particles and unevenly shaped sticks. First-and second-order rate laws, representing two distinct kinetic models, were applied in the kinetic approach. Adsorption of dye MB onto natural clay was studied, and the results agreed with the 2 s order model. The significant correlation coefficients support the inference that the adsorption process was governed by the Langmuir model. Subsequent DFT analyses demonstrated that the methylene blue dye's HOMO and LUMO surfaces are dispersed across most of the dye's components, pointing to a strong interaction with the clay. To determine how the dye might be adsorbed onto the clay, we employed quantum descriptors to locate its most nucleophilic and electrophilic centers. Endothermic reactions are evident during the MB adsorption process on clay, as indicated by the positive values of ΔH 0 and ΔS 0 (70.49 kJ mol −1 of RC and 84.19 kJ mol −1 of OC and 10.45 J mol −1 K −1 of RC and 12.68 mol −1 K −1 of OC, respectively). Additionally dye molecules on the adsorbent exhibit a higher order of distribution than in the solution, indicating that the adsorption process is spontaneous.

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Section: Results and Discussionmentioning

confidence: 99%

Adsorption of Methylene Blue Dye and Analysis of Two Clays: A Study of Kinetics, Thermodynamics, and Modeling with DFT, MD, and MC Simulations

Sellak,

Bensalah,

Ouaddari

et al. 2024

ACS Omega

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“…Agricultural crops absorb organic dyes from the soil, the dyes are transported from soils to plants and can inhibit root growth, damage root tips, lower the uptake of nutrients and water, reduce germination and photosynthetic pigments (Zhou, 2001 ). As only low levels of these dyes can be removed by the activated sludge process (Kandelbauer et al, 2007 ), when organic dyes (commonly, synthetic aromatic compounds) are to be removed from textile wastewater, adsorption is an inexpensive useful technique (Angelova et al, 2017 ; Bensalah, 2024 ; George et al, 2024 ; Khamis et al, 2024 ) and perlites (Mathew et al, 2018 ; Painer et al, 2022 ) are abundant, economically attractive adsorbents (Khoshraftar et al, 2023 ; Roulia & Vassiliadis, 2005 , 2008 ). Decolorized dyebath wastewaters (Roulia & Vassiliadis, 2021 ) with a nitrogen content reduced to acceptable levels meet the quality standards for surface and ground water and could effectively be applied to crops.…”

Section: Introductionmentioning

confidence: 99%

C.I. Acid Black 1 transfer from dilute solution to perlite framework in organic waste management

Roulia,

Vassiliadis

2024

Environ Geochem Health

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Dyes, considered as toxic and persistent pollutants, must be removed from organic wastes prior to their composting and application in sustainable agriculture. Azo dyes, capable of altering the physicochemical properties of soil, are difficult to expel by conventional wastewater treatments. C.I. Acid Black 1 (AB 1), a sulfonated azo dye, inhibits nitrification and ammonification in the soil, lessens the nitrogen use efficacy in crop production and passes substantially unaltered through an activated sludge process. The retention of C.I. Acid Black 1 by raw and expanded perlite was investigated in order to examine the potential effectiveness of this aluminosilicate material toward organic waste cleanup. Dye adsorption proved spontaneous and endothermic in nature, increasing with temperature for both perlites. Expanded perlite having a more open structure exhibited a better performance compared to the raw material. Several of the most widely recognized two-parameter theoretical models, i.e., Langmuir, Freundlich, Temkin, Brunauer–Emmett–Teller (BET), Harkins–Jura, Halsey, Henderson, and Smith, were applied to reveal physicochemical features characterizing the adsorption. The Langmuir, Freundlich, Temkin, BET, Henderson, and Smith equations best fitted experimental data indicating that the adsorption of anionic dye on perlites is controlled by their surface, i.e., non-uniformity in structure and charge. This heterogeneity of surface is considered responsible for promoting specific dye adsorption areas creating dye “islands” with local dye supersaturations.

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Biochar as green adsorbents for pharmaceutical pollution in aquatic environments: A review

Hama Aziz,

Mustafa,

Hassan

et al. 2024

Desalination

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Removal of the textile dyes by a resin adsorbent polymeric: Insight into optimization, kinetics and isotherms adsorption phenomenally

Cited by 9 publications

References 118 publications

Adsorption of Methylene Blue Dye and Analysis of Two Clays: A Study of Kinetics, Thermodynamics, and Modeling with DFT, MD, and MC Simulations

Adsorption of Methylene Blue Dye and Analysis of Two Clays: A Study of Kinetics, Thermodynamics, and Modeling with DFT, MD, and MC Simulations

C.I. Acid Black 1 transfer from dilute solution to perlite framework in organic waste management

Biochar as green adsorbents for pharmaceutical pollution in aquatic environments: A review

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