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- W4200021241 abstract "Magnesium ferrite (MgFe2O4)-bentonite nanocomposite is a clay based nanoadsorbent and photocatalyst with immense potential in water remediation. In the present study, adsorption and photodegradation mechanisms for nanocomposite were explored using Cd (II) and martius yellow as model contaminants. XRD, FT-IR, TEM and SEM-EDS studies of nanocomposite confirmed the presence of MgFe2O4 nanoparticles over the bentonite layers. The linear and nonlinear regression analyses were employed to accurately predict the mechanism and the results were validated statistically. The equilibrium data for Cd (II) ions and martius yellow was best represented by linear Langmuir isotherm. The optimization of models depicted the monolayered adsorption. The kinetics of both the adsorption and photodegradation processes followed the linear pseudo-second-order kinetic model, which specified the interaction of the adsorbates with two active sites of the adsorbent. The synthesized nanocomposite showed the maximum adsorption capacities of 1073.3 mg g−1 and 789.6 mg g−1 for Cd (II) ions and martius yellow, respectively. The adsorbed Cd (II) ions had synergistic effect on the degradation of martius yellow. Degradation mechanism of martius yellow was predicted on the basis of GCMS analysis and quenching studies. Thermodynamic studies, adsorption modeling and XPS analysis helped in predicting the adsorption mechanism. The regeneration studies confirmed the stability and recyclability of the nanocomposite. The present studies provided detailed account of mechanism of adsorption and photocatalysis for magnesium ferrite-bentonite nanocomposite, which has practical implication for environmental applications." @default.
- W4200021241 created "2021-12-31" @default.
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- W4200021241 date "2022-03-01" @default.
- W4200021241 modified "2023-10-16" @default.
- W4200021241 title "Mechanistic insight into adsorption and photocatalytic potential of magnesium ferrite-bentonite nanocomposite" @default.
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- W4200021241 doi "https://doi.org/10.1016/j.jphotochem.2021.113717" @default.
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