Synthesis of Nano-silica Particles using Eucalyptus globulus Leaf Extract and Their Innovative Application as an Adsorbent for Malachite Green Dye

IF 0.6 4区化学 Q4 CHEMISTRY, APPLIED Russian Journal of Applied Chemistry Pub Date : 2024-06-10 DOI:10.1134/s1070427224010099

Seroor Atallah Khaleefa Ali, Zaidun Naji Abudi, Mohammed Nsaif Abbas, May Ali Alsaffar, Thekra Atta Ibrahim

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Abstract

This study explores the silicon dioxide nanoparticles (SiO₂) green production via employing Eucalyptus globulus leaf extract and potassium metasilicate. Characterization methods, including FTIR, dynamic light scattering, SEM, Brunauer‒Emmett‒Teller analysis, and XRD. All these approaches were applied to get an in-depth comprehension of the nanoparticle’s properties. It was determined that the nanoparticles’ average size was 127 nm and 218 m²g^–1 surface area. In addition, the tests verified the SiO₂ nanoparticles’ purity and demonstrated the surface existence of many reactive groups. The effectiveness of the reactive SiO₂ nanoparticle groups were then assessed in a batch-mode adsorption under various operating parameters for the removal of malachite green dyes from aqueous solutions. The investigation examined the contact duration, pH, temperature, agitation speed, starting dye concentration, and quantity of nanomaterial on adsorption effectiveness. Experimental results demonstrated a remarkable removal efficiency of 96% for malachite green dye at an initial concentration of 100 ppm in the contaminated solution. Interestingly, the percentage removal exhibited an inverse relationship with dye concentration and temperature, while being directly proportional to other factors. Overall, the green-synthesized silicon dioxide nanoparticles proved to be a promising adsorbent for the effective removal of malachite green dye from aqueous environments. The results highlight the potential application of these nanoparticles in wastewater treatment and pollution mitigation, offering a sustainable and eco-friendly solution for environmental challenges.

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利用桉树叶提取物合成纳米二氧化硅颗粒及其作为孔雀石绿染料吸附剂的创新应用

摘要本研究探讨了利用球桉叶提取物和偏硅酸钾绿色生产二氧化硅纳米粒子（SiO2）的方法。表征方法包括傅立叶变换红外光谱、动态光散射、扫描电子显微镜、布鲁瑙尔-艾美特-泰勒分析和 X 射线衍射。所有这些方法都是为了深入了解纳米粒子的特性。结果表明，纳米粒子的平均尺寸为 127 nm，表面积为 218 m2g-1。此外，测试还验证了二氧化硅纳米粒子的纯度，并证明其表面存在许多活性基团。然后，在批量模式吸附中，在各种操作参数下评估了活性二氧化硅纳米粒子基团去除水溶液中孔雀石绿染料的效果。研究考察了接触时间、pH 值、温度、搅拌速度、起始染料浓度和纳米材料数量对吸附效果的影响。实验结果表明，在初始浓度为 100 ppm 的污染溶液中，孔雀石绿染料的去除率高达 96%。有趣的是，去除率与染料浓度和温度呈反比，而与其他因素成正比。总之，绿色合成的二氧化硅纳米粒子被证明是一种很有前景的吸附剂，可有效去除水环境中的孔雀石绿染料。研究结果凸显了这些纳米颗粒在废水处理和污染缓解方面的潜在应用，为应对环境挑战提供了一种可持续的生态友好型解决方案。

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来源期刊

Russian Journal of Applied Chemistry 化学-应用化学

CiteScore

1.60

自引率

11.10%

发文量

审稿时长

2-4 weeks

期刊介绍： Russian Journal of Applied Chemistry (Zhurnal prikladnoi khimii) was founded in 1928. It covers all application problems of modern chemistry, including the structure of inorganic and organic compounds, kinetics and mechanisms of chemical reactions, problems of chemical processes and apparatus, borderline problems of chemistry, and applied research.