Biogenic Synthesis of Nanosized Calcium and Magnesium Ferrites for the Efficient Removal of As+3 ions

IF 3.9 3区化学 Q2 POLYMER SCIENCE Journal of Inorganic and Organometallic Polymers and Materials Pub Date : 2024-06-19 DOI:10.1007/s10904-024-03096-2

Zaib-ul Nisa, Fozia Bibi, Zubaah Khalid, Saira Arif, Zain-ul Abdin, Muhammad Waseem

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Abstract

Green synthesis is highly sophisticated method for the formation of nanoparticles. In present study, Cucumis sativus peel extract was used for the synthesis of eco-friendly calcium ferrite (CaF) and magnesium ferrites (MgF) nanoparticles for the removal of carcinogenic arsenic from the aqueous media. Crystallinity, phase identification, functionality, surface area, morphology, and surface charge were evaluated by using XRD, FTIR, BET, SEM/EDX, TEM and Zeta potential. After adsorption, SEM and EDX were performed to determine the morphological and elemental changes. The BET surface areas of CaF and MgF were found 282 m²/g and 194 m²/g respectively. Batch adsorption experiments were carried out to optimize different parameters such as pH, contact time, concentration, temperature and dose for the efficient removal of toxic metal. The gradual increase in adsorption was observed till 90 min at pH 7. The nanoparticles showed remarkable removal efficiency of about 86–92%. Pseudo second order kinetic, Langmuir and Freundlich models were found best fitted on the sorption data. The maximum adsorption capacities calculated for CaF and MgF were 1111 µg/g and 446 µg/g respectively. To check the reusability of adsorbents, eluent optimization and regeneration studies were also carried out. On the basis of post-sorption FTIR spectra, the proposed mechanism was surface complexation.

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生物合成纳米级钙镁铁氧体以高效去除 As+3 离子

绿色合成是形成纳米粒子的一种非常复杂的方法。在本研究中，我们利用黄瓜皮提取物合成了环保型钙铁氧体（CaF）和镁铁氧体（MgF）纳米粒子，用于去除水介质中的致癌砷。利用 XRD、FTIR、BET、SEM/EDX、TEM 和 Zeta 电位对结晶度、相鉴别、功能性、表面积、形态和表面电荷进行了评估。吸附后，进行了 SEM 和 EDX 扫描，以确定形态和元素的变化。发现 CaF 和 MgF 的 BET 表面积分别为 282 m2/g 和 194 m2/g。进行了批量吸附实验，以优化不同的参数，如 pH 值、接触时间、浓度、温度和剂量，从而有效去除有毒金属。在 pH 值为 7 的条件下，吸附量在 90 分钟内逐渐增加，纳米颗粒的去除率高达 86-92%。假二阶动力学模型、Langmuir 模型和 Freundlich 模型与吸附数据的拟合效果最佳。计算得出的 CaF 和 MgF 的最大吸附容量分别为 1111 微克/克和 446 微克/克。为了检测吸附剂的可重复使用性，还进行了洗脱液优化和再生研究。根据吸附后的傅立叶变换红外光谱，提出的机理是表面络合。

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来源期刊

Journal of Inorganic and Organometallic Polymers and Materials 化学-高分子科学

CiteScore

8.30

自引率

7.50%

发文量

335

审稿时长

1.8 months

期刊介绍： Journal of Inorganic and Organometallic Polymers and Materials [JIOP or JIOPM] is a comprehensive resource for reports on the latest theoretical and experimental research. This bimonthly journal encompasses a broad range of synthetic and natural substances which contain main group, transition, and inner transition elements. The publication includes fully peer-reviewed original papers and shorter communications, as well as topical review papers that address the synthesis, characterization, evaluation, and phenomena of inorganic and organometallic polymers, materials, and supramolecular systems.