Ionic liquids-assisted integration of biobased materials for sustainable elaboration of nanocomposites using hydroxyethyl cellulose and interlayered clay for efficient separation of Co(II) from multi-component mixtures

IF 4.9 2区工程技术 Q1 MATERIALS SCIENCE, PAPER & WOOD Cellulose Pub Date : 2024-10-04 DOI:10.1007/s10570-024-06199-8

Nafea Achalhi, Youssef El Ouardi, Sami Virolainen, Ridouan El yousfi, Morad Lamsayah, Svetlana Butylina, Soufian El Barkany, Eveliina Repo, Abderrahmane El Idrissi

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Abstract

This study focuses on the development of eco-friendly biobased adsorbents through a sustainable hydrothermal and freeze-drying synthesis process, utilizing cost-effective bio-sourced materials to minimize energy consumption and waste. The biobased adsorbents were elaborated using hydroxyethyl cellulose-ionic liquids and bentonite clay. The elaborated biocomposites were characterized using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy/attenuated total reflection (FTIR/ATR), thermogravimetric analysis (TGA), and electron microscopy-energy dispersive X-ray (SEM–EDX), Brunauer–Emmett–Teller (BET) and zeta potential (ZP). Structural analysis confirms the intercalation and incorporation of HEC-ILs polymeric chains into Be-Na matrix and the formation of biocomposites. The [HEC-ILs/Be-Na] composite was subsequently employed for solid-phase extraction of Co(II) by investigating the effect of pH, initial Co(II) concentrations, time, temperature, and the presence of co-existing ions (Na(I), Li(I), Mn(II), Ni(II), and Al(III)). The adsorption kinetics of Co(II) metal ions were suitably characterized using the pseudo-second-order model (with R² > 0.99). Furthermore, the adsorption isotherms conformed to the Langmuir model (with R² > 0.97), suggesting a chemisorption process with an adsorption capacity of 69.8 mg/g. The thermodynamic study reveals that the adsorption process exhibits characteristics of spontaneity and endothermicity (ΔH° = 74.197 kJ mol⁻¹, ΔG° < 0 kJ mol⁻¹). The proposed mechanism for Co(II) adsorption on the developed biocomposite involves electrostatic interactions, ion exchange, and anion-π interactions. The biobased composite exhibited remarkable selectivity for Co(II) and demonstrated great potential as an adsorbent for industrial applications.

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离子液体辅助整合生物基材料，以可持续方式利用羟乙基纤维素和夹层粘土制备纳米复合材料，从多组分混合物中高效分离 Co(II)

本研究的重点是通过可持续的水热法和冷冻干燥合成工艺，利用具有成本效益的生物源材料开发生态友好型生物基吸附剂，以最大限度地减少能源消耗和废物。使用羟乙基纤维素-离子液体和膨润土制备了生物基吸附剂。利用 X 射线衍射 (XRD)、傅立叶变换红外光谱/衰减全反射 (FTIR/ATR)、热重分析 (TGA)、电子显微镜-能量色散 X 射线 (SEM-EDX)、Brunauer-Emmett-Teller (BET) 和 zeta 电位 (ZP) 对制备的生物复合材料进行了表征。结构分析证实了 HEC-ILs 聚合链在 Be-Na 基质中的插层和掺入以及生物复合材料的形成。随后，通过研究 pH 值、Co(II)初始浓度、时间、温度以及共存离子（Na(I)、Li(I)、Mn(II)、Ni(II)和 Al(III)）的影响，将[HEC-ILS/Be-Na]复合材料用于固相萃取 Co(II)。利用伪二阶模型（R2 > 0.99）对 Co(II) 金属离子的吸附动力学进行了适当的表征。此外，吸附等温线符合 Langmuir 模型（R2 为 0.97），表明这是一个化学吸附过程，吸附容量为 69.8 mg/g。热力学研究表明，吸附过程具有自发性和内热性（ΔH° = 74.197 kJ mol-1，ΔG° < 0 kJ mol-1）。所开发的生物复合材料对 Co(II) 的吸附机理涉及静电相互作用、离子交换和阴离子-π 相互作用。该生物基复合材料对 Co（II）具有显著的选择性，作为一种吸附剂在工业应用中具有巨大潜力。

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来源期刊

Cellulose 工程技术-材料科学：纺织

CiteScore

10.10

自引率

10.50%

发文量

580

审稿时长

3-8 weeks

期刊介绍： Cellulose is an international journal devoted to the dissemination of research and scientific and technological progress in the field of cellulose and related naturally occurring polymers. The journal is concerned with the pure and applied science of cellulose and related materials, and also with the development of relevant new technologies. This includes the chemistry, biochemistry, physics and materials science of cellulose and its sources, including wood and other biomass resources, and their derivatives. Coverage extends to the conversion of these polymers and resources into manufactured goods, such as pulp, paper, textiles, and manufactured as well natural fibers, and to the chemistry of materials used in their processing. Cellulose publishes review articles, research papers, and technical notes.