合成磁铁矿/玉米芯磁性纳米复合材料吸附去除水中(Fe+2)和(Ni+2)的研究

IF 2.5 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Nano Futures Pub Date : 2022-04-25 DOI:10.1088/2399-1984/ac6a31

Mohamed N Sanad, S. El-Dek, U. Eldemerdash, Mohamed M. ElFaham

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引用次数: 1

摘要

重金属是工业废水中主要的伴生污染物，对公众健康和环境构成严重威胁。在此，我们开发了一种新的策略，以生产由玉米芯（CC）和磁铁矿形成的新型纳米复合材料，作为同时去除Fe+2和Ni+2的纳米材料。通过x射线衍射、场发射扫描电子显微镜、图谱、能量色散x射线光谱、高分辨率透射电子显微镜、选区电子衍射、ζ尺寸和ζ电势对所制备的纳米复合材料进行了系统表征。与CC和Fe3O4相比，纳米复合材料表现出更好的吸附性能。通过原子分析计算，在相同条件下，CC、Fe3O4和纳米复合材料的最大吸附效率分别约为91.84%、91.28%和98.51%。该研究表明，该纳米复合材料可能是一种有利的生物质衍生吸附剂，用于同时去除重金属。

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Study of the adsorptive removal of (Fe+2) and (Ni+2) from water by synthesized magnetite/corn cobs magnetic nanocomposite

Heavy metals are principal concomitant pollutants in industrial wastewaters, posing a serious threat to public health and the environment. Herein, we develop a novel strategy to produce a new nanocomposite formed from corn cobs (CCs) and magnetite as a nanomaterial for the simultaneous removal of Fe+2 and Ni+2. The as-prepared nanocomposite was systematically characterized by x-ray diffraction, field emission scanning electron microscopy, mapping, energy-dispersive x-ray spectroscopy, high-resolution transmission electron microscopy, selected area electron diffraction, zeta size, and zeta potential. Compared to the CCs and Fe3O4, the nanocomposite showed better adsorption performance. The maximum adsorption efficiency of the CC, Fe3O4, and the nanocomposite was calculated by atomic analysis to be around 91.84%, 91.28%, and 98.51%, respectively, under the same conditions. This study indicates that the nanocomposite could be a favorable biomass-derived adsorbent for the simultaneous removal of heavy metals.

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来源期刊

Nano Futures Chemistry-General Chemistry

CiteScore

4.30

自引率

0.00%

发文量

期刊介绍： Nano Futures mission is to reflect the diverse and multidisciplinary field of nanoscience and nanotechnology that now brings together researchers from across physics, chemistry, biomedicine, materials science, engineering and industry.