从水溶液中吸附性去除重金属使用磁性/纤维素-Fe (III) 复合物作为生物吸收剂
Aina Mardhia Khalid1, Md Sohrab Hossain2,3, Nor Afifah Khalil4
1School of Industrial Technology, Universiti Sains Malaysia (USM), George Town 11800, Malaysia.
Nanomaterials (Basel, Switzerland)
|May 27, 2023
概括
磁性奇托桑/纤维素纳米纤维-Fe (III) 复合材料有效地从水中去除重金属,如,铜和. 这些多孔材料显示出作为工业废水处理的吸附剂的巨大潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
- 纳米技术 纳米技术
背景情况:
- 工业废水经常含有有毒的重金属,如 (Cr6),铜 (Cu6), (Pb6).
- 有效地去除这些重金属对于环境保护和公共健康至关重要.
- 开发高效和成本效益的吸附材料是废水处理的一个关键挑战.
研究的目的:
- 为了合成和表征磁性奇托桑/纤维素纳米纤维-Fe (III) [M-Ch/CNF-Fe (III) ]复合材料.
- 评估这些复合材料作为吸附剂的潜力,以从水溶液中去除Cr (VI),Cu (II) 和Pb (II).
- 研究M-Ch/CNF-Fe(III) 复合材料的吸附行为和动力学,用于重金属的消除.
主要方法:
- 合成M-Ch/CNF-Fe (III) 复合材料的方法.
- 使用FE-SEM,TEM,FT-IR,XRD和TGA进行表征.
- 吸附实验可以改变pH值,吸附剂剂量,时间和温度.
- 异热和动力学研究,以了解吸附机制.
主要成果:
- 证实M-Ch/CNF-Fe (III) 复合材料是具有理想性质的多孔材料.
- 对于Cr (VI),Cu (II) 和Pb (II) 的去除,观察到高吸附效率.
- 在各种条件下分析了吸附行为,揭示了材料的有效性.
结论:
- M-Ch/CNF-Fe (III) 复合材料是用于重金属去除的有希望的多孔吸附剂.
- 这些材料显示出在处理污染了CrVI,CuII和PbII的工业废水中应用的巨大潜力.
- 需要对吸附机制和再生进行进一步的研究.
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