Research on Chemical Intermediates, Journal Year: 2024, Volume and Issue: unknown
Published: Oct. 5, 2024
Language: Английский
Research on Chemical Intermediates, Journal Year: 2024, Volume and Issue: unknown
Published: Oct. 5, 2024
Language: Английский
Scientific Reports, Journal Year: 2025, Volume and Issue: 15(1)
Published: Feb. 5, 2025
A nanocomposite composed of rGO and γ-Fe2O3 was prepared using ultrasonication for the adsorption malachite green (MG) dye. The preferential plane diffractions at 2θ values 35.54° 26.45° about (311) (002) with 19.85 20.92 nm crystallite sizes, respectively confirmed successful formation nature adsorbent. Moreover, XPS FTIR results also composite due to existence peaks relevant composite's components. adsorbent's surface charge (pHPZC = ~ 7.1) estimated salt addition technique. To minimize experiments optimize parameters removal MG by 25 °C, central design (CCD) response methodology (RSM) used. optimal obtained from within-range numerical optimization based on 0.923 Derringer's desirability function were 200 mg/100 mL dose, 80 ppm dye solution, 7.99 pH 112.68 min. contact time 90% 40.64 mg/g capacity (qm) rGO/γ-Fe2O3. However, 98% 64.26 achieved upon extended-range estimation parameters. data exhibited best co-relationship Freundlich isotherm pseudo-2nd order kinetic model. According a thermodynamic analysis, process rGO/γ-Fe2O3 is exothermic, spontaneous, less random. thermal stability, desorption, regeneration reusability explored. Finally, this study shows that RSM can be an excellent technique industrial scale.
Language: Английский
Citations
2International Journal of Biological Macromolecules, Journal Year: 2025, Volume and Issue: unknown, P. 141864 - 141864
Published: March 1, 2025
Language: Английский
Citations
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Published: Nov. 21, 2024
Language: Английский
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Published: April 23, 2025
Language: Английский
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Published: May 1, 2025
Language: Английский
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Published: May 8, 2025
Language: Английский
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Published: May 8, 2025
Language: Английский
Citations
0Research on Chemical Intermediates, Journal Year: 2024, Volume and Issue: unknown
Published: Oct. 5, 2024
Language: Английский
Citations
0