通过 Sonochemistry 合成的磁性阿塔蓬石:从模拟和未精炼原油样品中高效固相萃取 As3+ 的创新策略

IF 2.5 4区 材料科学 Q2 CHEMISTRY, APPLIED
Ehab M. Ali, Anwar Iqbal, Mohamad Nasir Mohamad Ibrahim, Mustafa A. Alheety, Naser M. Ahmed, Dede Heri Yuli Yanto, Rahadian Zainul
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引用次数: 0

摘要

摘要 利用声化学方法合成了磁化阿塔蓬石(ATP-Fe3O4)吸附剂,用于固相萃取受激原油和未精炼原油样品中的 As3+。根据透射电子显微镜(TEM)图像估计,Fe3O4 纳米颗粒的平均尺寸为 10 nm。透射电子显微镜分析还显示,Fe3O4 纳米颗粒在 ATP 的管内和表面聚集。X 射线衍射分析(XRD)表明,ATP 的结晶度在磁化过程后有所降低。ATP-Fe3O4 的饱和磁化率仅为 2.8 emu g-1。在最佳条件下(pH = 7、吸附剂用量 = 0.6 g、接触时间 = 90 分钟、样品体积 = 50 mL),两种油类的 As3+ 去除率均超过 98%。检出限(LOD)和相对标准偏差(RSD%)分别为 2.88 ng mL-1 和 0.3423%。吸附过程遵循伪一阶动力学模型(R2 = 0.9696)和朗缪尔等温线模型(R2 = 0.9925)。可重复使用性研究表明,ATP-Fe3O4 具有高度稳定性,可重复使用五次,去除效率几乎达到 100%。这项研究成果符合联合国可持续发展目标 7 "负担得起的清洁能源"。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Magnetic attapulgite synthesized via Sonochemistry: an innovative strategy for efficient solid phase extraction of As3+ from simulated and unrefined crude oil samples

Magnetic attapulgite synthesized via Sonochemistry: an innovative strategy for efficient solid phase extraction of As3+ from simulated and unrefined crude oil samples

Magnetised attapulgite (ATP-Fe3O4) adsorbent was synthesised using a sonochemistry approach for the solid phase extraction of As3+ from stimulated and unrefined crude oil samples. The average size of the Fe3O4 nanoparticles estimated from the Transmission Electron Microscopy (TEM) image was 10 nm. The TEM analysis also showed that Fe3O4 nanoparticles agglomerated in the ATP’s tube and on its surface. The X-ray diffraction analysis (XRD) indicates that the crystallinity of the ATP reduced after the magnetisation process. The saturation magnetisation of the ATP-Fe3O4 was determined to be only 2.8 emu g-1. Under the optimum conditions (pH = 7, adsorbent dosage = 0.6 g, contact time = 90 min and sample volume = 50 mL), the As3+ removal was more than 98% for both types of oil. The limits of detection (LOD) and relative standard deviations (RSD%) were 2.88 ng mL-1 and 0.3423%, respectively. The adsorption process follows the pseudo-first-order kinetic model (R2 = 0.9696) and adheres to the Langmuir isotherm model (R2 = 0.9925). The reusability study showed that ATP-Fe3O4 is highly stable and can be reused five times with almost 100% removal efficiency. This research outcome aligns with the United Nations Sustainable Goal 7, Affordable and Clean Energy.

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来源期刊
Journal of Porous Materials
Journal of Porous Materials 工程技术-材料科学:综合
CiteScore
4.80
自引率
7.70%
发文量
203
审稿时长
2.6 months
期刊介绍: The Journal of Porous Materials is an interdisciplinary and international periodical devoted to all types of porous materials. Its aim is the rapid publication of high quality, peer-reviewed papers focused on the synthesis, processing, characterization and property evaluation of all porous materials. The objective is to establish a unique journal that will serve as a principal means of communication for the growing interdisciplinary field of porous materials. Porous materials include microporous materials with 50 nm pores. Examples of microporous materials are natural and synthetic molecular sieves, cationic and anionic clays, pillared clays, tobermorites, pillared Zr and Ti phosphates, spherosilicates, carbons, porous polymers, xerogels, etc. Mesoporous materials include synthetic molecular sieves, xerogels, aerogels, glasses, glass ceramics, porous polymers, etc.; while macroporous materials include ceramics, glass ceramics, porous polymers, aerogels, cement, etc. The porous materials can be crystalline, semicrystalline or noncrystalline, or combinations thereof. They can also be either organic, inorganic, or their composites. The overall objective of the journal is the establishment of one main forum covering the basic and applied aspects of all porous materials.
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