Organophilic clays for efficient removal of eosin Y dye properties

Popoola, Saheed A.; Al Dmour, Hmoud; Messaoudi, Boulanouar; Fatimah, Is; Rakass, Souad; Liu, Yan; Kooli, Fethi

doi:10.1016/j.jscs.2023.101723

Cited by 2 publications

(3 citation statements)

References 65 publications

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“…The variation might be related to higher removal of OAAC-0.0's as opposed to OAAC-0.3 and OAAC-0.5 samples. For other materials, comparable data were reported [ 47 , 68 , 69 ]. The data that is currently displayed might be expanded to include further dye removal volumes and values up to 100 %.…”

Section: Resultssupporting

confidence: 79%

“…However, these intercalated surfactants were difficult to exchange using a mild HCl or NaOH solutions (concentrations less than 2 M). Other organo-silicate materials exhibited the same results [ 11 , 12 , 47 , 48 ]. This finding is useful for studying the removal of acidic dyes at different pH values (see below).…”

Section: Resultssupporting

confidence: 52%

“…Equation (4) can be rewritten by replacing the C o - C e and C e expressions with C o, and a new format is proposed in Equation (5) [ 47 ].

…”

Section: Resultsmentioning

confidence: 99%

See 2 more Smart Citations

organo acid-activated clays for water treatment as removal agent of Eosin-Y: Properties, regeneration, and single batch design absorber

Alanazi,

Jefri,

Alam

et al. 2024

Heliyon

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Section: Resultssupporting

confidence: 79%

Section: Resultssupporting

confidence: 52%

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organo acid-activated clays for water treatment as removal agent of Eosin-Y: Properties, regeneration, and single batch design absorber

Alanazi,

Jefri,

Alam

et al. 2024

Heliyon

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Rapid adsorptive removal of eosin yellow and methyl orange using zeolite Y

Adeoye,

Balogun,

Etemire

et al. 2023

Sci Rep

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In this study, zeolite Y was synthesised using a novel method. The heat generated from the reaction of H2SO4 with metakaolin was used as a heat source instead of applying external heat for the dealuminated process. The synthesised zeolite Y produced was analysed by scanning electron microscope (SEM), X-ray diffraction (XRD), Fourier-infrared spectroscopy (FTIR), energy dispersive X-ray spectroscopy (EDS) and Brunauer–Emmett–Teller (BET). Zeolite Y synthesis was mesoporous because of its pore diameter (30.53 nm), as shown in the BET results. Surface area and pore size decrease after adsorption due to dye deposition on the adsorbent’s surface. FTIR has bonds like O–H, C–H, –CH3, and –COOH responsible for adsorption. The maximum adsorption capacity of eosin yellow (EY) and methyl orange (MO) on to zeolite Y by the Langmuir isotherm was 52.91 mg/g and 20.62 mg/g respectively, at pH 2.5 and 8 for EY and MO dye. The batch adsorption studies were conducted, and the influence of different parameters (i.e., adsorbent dose, adsorption time, initial dye concentration, pH and temperature) was investigated. Experimental data were analysed by two linear model equations (Langmuir and Freundlich isotherms), and it was found that the Langmuir isotherm model best describes the adsorption data for methyl orange and Freundlich isotherm for eosin yellow, respectively. Adsorption rate constants were determined using linear pseudo-first-order and pseudo-second-order. The results showed that MO and EY dye adsorption onto zeolite Y followed a pseudo-second-order kinetic model. Thermodynamic studies show that adsorption was an exothermic reaction (enthalpy < 0) and feasible ($$(Gibbs free energy)<0$$ ( G i b b s f r e e e n e r g y ) < 0 ) at various temperatures under investigation.

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Organophilic clays for efficient removal of eosin Y dye properties

Cited by 2 publications

References 65 publications

organo acid-activated clays for water treatment as removal agent of Eosin-Y: Properties, regeneration, and single batch design absorber

organo acid-activated clays for water treatment as removal agent of Eosin-Y: Properties, regeneration, and single batch design absorber

Rapid adsorptive removal of eosin yellow and methyl orange using zeolite Y

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