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Journals / Turkish Journal of Chemistry / 2020 / Cilt: 44 - Sayı: 4

Sorption studies of europium on cerium phosphate using Box-Behnken design

Suleyman INAN
Pages
971–986
Publication Date
2020-08-18
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Thermodynamic data suggested that the process is endothermic and spontaneous.

📌 3 Key Takeaways

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Objective & Hypothesis:Amorphous cerium phosphate was prepared and characterized.
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Key Findings & Data:Three-level Box-Behnken design (BBD) was employed to analyze the effect of process variables such as initial pH (2-6), contact time (60-180 min), and sorbent amount (0.05-0.15 g) on the sorption capacity of europium.
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Conclusion & Impact:Thermodynamic data suggested that the process is endothermic and spontaneous.
🔬Design:Modeling & Simulation
📍Scope:Comprehensive Sample
⚙️Variables:Sorption · europium · cerium phosphate

Abstract

Amorphous cerium phosphate was prepared and characterized. Three-level Box-Behnken design (BBD) was employed to analyze the effect of process variables such as initial pH (2-6), contact time (60-180 min), and sorbent amount (0.05-0.15 g) on the sorption capacity of europium. Analysis of variance (ANOVA) revealed that the main effect of initial pH and sorbent amount has a substantial impact on the sorption of Eu(III). Probability F-value (F = 3 x 10(-3)) and correlation coefficient (R-2 = 0.97) point out that the model is in good accordance with experimental data. The maximum sorption capacity of Eu(III) was found to be 42.14 mg g(-1) at initial pH 6, contact time of 180 min, and a sorbent amount of 0.05 g. Sorption isotherm data was well explained by the Langmuir model and monolayer Eu(III) sorption capacity was obtained as 30.40 mg g(-1). Kinetic data were well described by the pseudo-second-order model. Thermodynamic data suggested that the process is endothermic and spontaneous.

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Cite This Article

INAN, S. (2020). Sorption studies of europium on cerium phosphate using Box-Behnken design. Turkish Journal of Chemistry, Cilt: 44 - Sayı: 4, 971–986. https://ajindex.com/articles/214920

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