A revolutionizing polymeric framework with integrated aluminium fragment for superior water decontamination empowered by a statistical modeling approach

Abstract

Herein, a unique methodology is adopted to prepare aluminium-integrating polymeric fragment, i.e. poly(aluminium trimethacrylate) (pAlTMA), with the potential to be a viable alternative to activated alumina (AA) and suitable for a diverse array of water treatment applications. The prepared pAlTMA has shown significantly high adsorption efficacies (qe max) of 421.94 mg g−1, 9.25 mg g−1, and 8.60 mg g−1 for fluoride (F), arsenate [As(V)] and arsenite [As(III)] respectively, owing to the presence of the acrylate chain of the aluminum moiety in the three-dimensional shape, coupled with high surface area [surface area: 278 m2 g−1 and pore volume: 0.281 cm3 g−1]. The pAlTMA exhibited a significant remediating efficacy of >97% for the ionic species across a broad pH spectrum. The binding energies for F, As(III) and As(V) were 19.1 eV, 13.1 eV, and 9.6 eV, respectively, according to a density functional theory (DFT) study, which elucidated the mechanisms of interaction between pAlTMA and these ionic species. The experimental data analysis revealed that the nonlinear Langmuir isotherm (R2 > 0.99) and pseudo-second-order kinetics (R2: 0.9960, 0.9979, and 0.9934 for As(V), As(III), and F ions, respectively) effectively characterize the sorption phenomena of pAlTMA. The Response Surface Methodology–Central Composite Design (RSM-CCD) model was utilized in the experimental design and optimization process to ascertain the optimal conditions of operational variables, aimed at maximizing the remediation efficiency for arsenic and fluoride ions.

Graphical abstract: A revolutionizing polymeric framework with integrated aluminium fragment for superior water decontamination empowered by a statistical modeling approach

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Article information

Article type
Paper
Submitted
14 Февр. 2025
Accepted
16 Май 2025
First published
21 Май 2025

J. Mater. Chem. A, 2025, Advance Article

A revolutionizing polymeric framework with integrated aluminium fragment for superior water decontamination empowered by a statistical modeling approach

S. Shukla, A. R. Gupta, S. B. Ratnakar, B. Ganguly, P. D. Indurkar and S. Sharma, J. Mater. Chem. A, 2025, Advance Article , DOI: 10.1039/D5TA01229E

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