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Abstract The structure of anthracite (An) was exfoliated by H2O2 and impregnated with pomegranate peel extract (PP) to synthesize a new multifunctional (An/PP) composite. This new composite was characterized and… Click to show full abstract
Abstract The structure of anthracite (An) was exfoliated by H2O2 and impregnated with pomegranate peel extract (PP) to synthesize a new multifunctional (An/PP) composite. This new composite was characterized and applied for Cr(VI) and Mn(VII) adsorption at pH 3.0 and varied temperatures (i.e., 25, 40 and 55 °C). Traditional Langmuir and Freundlich models fitted well the attained data at all adsorption temperatures. The maximum adsorption capacities were 382.19, 361.50 and 339.54 mg/g for Cr(VI) and 400.49, 417.99 and 447.38 mg/g for Mn(VII) at 25, 40 and 55 °C, respectively. The steric and energetic parameters of an advanced multilayer model were interpreted to understand the adsorption mechanisms. The receptor sites (n) was
Journal Title: Journal of Molecular Liquids
Year Published: 2020
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