化学共沉淀法合成铁酸锰纳米颗粒作为铅的磁性吸附剂

IF 1.3 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Main Group Chemistry Pub Date : 2022-02-03 DOI:10.3233/mgc-210117

Shima Shahidizandi, H. Mohammadi-Manesh, M. M. Loghavi, M. Hakimi

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引用次数: 1

摘要

本文采用化学共沉淀法合成了含不同比例Fe3O4的MnFe2O4二元氧化物。采用傅里叶变换红外光谱(FT-IR)、x射线衍射(XRD)和能量色散x射线光谱(SEM-EDX)分析确定了其物理化学性质。在吸附过程中，对吸附剂用量、溶液pH、接触时间、吸附质浓度进行了优化。Langmuir等温线模型是吸附的最佳动力学模型。最后，对吸附剂的平均吸附能、再现性和自发性进行了估计，表明物理吸附机制占主导地位。

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Chemical co-precipitation synthesis of manganese ferrite (MnFe2O4) nanoparticles as a magnetic adsorbent of lead

Herein, MnFe2O4 binary oxides, including various percentages of Fe3O4 were synthesized using the chemical co-precipitation method. In order to determine the physicochemical properties, Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), and energy-dispersive X-ray spectroscopy (SEM-EDX) analyses were used. Adsorbent dosage, pH of the solution, contact time, and adsorbate concentration were optimized during the adsorption process. It was found that the Langmuir isotherm model is the best kinetic model for adsorption. Finally, the mean adsorption energy, reproducibility, and spontaneity of the adsorbent were also estimated, which showed that the physical adsorption mechanism is dominant.

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来源期刊

Main Group Chemistry 化学-化学综合

CiteScore

2.00

自引率

26.70%

发文量

审稿时长

>12 weeks

期刊介绍： Main Group Chemistry is intended to be a primary resource for all chemistry, engineering, biological, and materials researchers in both academia and in industry with an interest in the elements from the groups 1, 2, 12–18, lanthanides and actinides. The journal is committed to maintaining a high standard for its publications. This will be ensured by a rigorous peer-review process with most articles being reviewed by at least one editorial board member. Additionally, all manuscripts will be proofread and corrected by a dedicated copy editor located at the University of Kentucky.