CoFe2O4基改造的本托尼特混合矩阵松散纳米过膜,用于有效的废水处理
Ashok Shrishail Maraddi1, Anshu Kumar1, Glenita Bridget D'Souza1
1Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Bengaluru, 562112, Karnataka, India.
Chemosphere
|December 30, 2023
概括
这项研究引入了一种新的复合膜,使用聚硫矩阵中的铁功能化丁 (CoFe2O4@BT). 这些先进的膜显示了增强的水流和高效的染料分离,为净化水提供了有前途的解决方案.
科学领域:
- 材料科学 材料科学 材料科学
- 环境工程 环境工程
- 化学工程是化学工程的重要组成部分.
背景情况:
- 混合矩阵膜 (MMM) 需要理想的聚合物/水友流量增强器接口,以提高分离性能.
- 天然粘土 - 矿 (BT) 是一种在膜技术中增强流量的潜在材料.
- 聚乙硫 (PES) 是一种在膜应用中广泛使用的聚合物.
研究的目的:
- 合成一种新型的CoFe2O4功能化土 (CoFe2O4@BT) 作为聚硫 (PES) 混合矩阵膜 (MMM) 的流量增强剂.
- 研究CoFe2O4@BT对基于PES的MMM的形态和分离性能的影响.
- 为了评估开发的膜的抗污染特性和染料排斥能力.
主要方法:
- 合成的 CoFe2O4@BT 材料.
- CoFe2O4@BT-PES混合矩阵膜的制造.
- 使用各种分析技术对膜形态和表面特性进行表征.
- 对水流量,染料分离效率 (刚果红色,水晶紫色,酸) 和防腐性质的性能测试.
主要成果:
- CoFe2O4@BT的结合显著增强了水友性,改变了孔隙结构,并改善了PES膜的表面特性.
- CoFe2O4@BT-PES膜的高水流和分离效率高达95%的刚果红色,94.69%的水晶紫色,和94.16%的酸.
- 与商业聚胺膜相比,开发的膜表现出优越的防性质和更好的长期稳定性.
- 为复合膜提出了一个潜在的染料排斥机制.
结论:
- 新型CoFe2O4@BT材料有效地提高了基于PES的MMM用于净水的性能.
- 这些复合膜对于分离有机污染物,特别是染料具有很好的潜力.
- 这些发现表明,这些先进材料在环境保护和废水处理方面具有有前途的应用.
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