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基托基复合材料具有双交联网,用于去除水性Cr (VI)

Xueyan Li¹, Suya Li¹, Chong Peng²

¹Liaoning Key Laboratory for Chemical Clean Production, Liaoning Key Laboratory for Surface Functionalization of Titanium Dioxide Powder, Institute of Ocean Research, Institute Environmental Research, College of Chemistry and Material Engineering, Bohai University, Jinzhou 121013, Liaoning, China.

Carbohydrate polymers

|November 19, 2024

概括

一种新型的酸盐,聚乙醇和奇托 (SA/PVA/CS) 复合物有效地从废水中去除六价 (Cr(VI)). 这种多孔材料显示出高吸附能力和环境修复应用的潜力.

科学领域:

环境科学环境科学
材料科学材料科学材料科学
化学工程是化学工程的重要组成部分.

背景情况:

六价 (Cr(VI)) 对环境构成重大风险.
有效的废水处理方法对于减轻Cr6污染至关重要.

研究的目的:

开发一种新型复合材料,以高效地去除CrVI.
为了研究复合材料的吸附机制和性能.

主要方法:

制造具有多孔结构的藻酸盐/聚乙烯醇/奇托 (SA/PVA/CS) 复合物.
批量吸附实验,以评估Cr (VI) 去除效率.
使用FT-IR,XPS和密度函数理论 (DFT) 模拟的分析.

主要成果:

在最佳条件下,SA/PVA/CS复合物实现了89.2%的Cr (VI) 去除率.
吸附过程被确定为多层和化学吸附.
包括静电吸引,减少,离子交换和复杂化在内的协同机制参与其中.

结论:

该SA/PVA/CS复合物表现出优异的吸附能力和广泛的pH适用于Cr6的去除.
酸盐在吸附过程中发挥着主导作用,正如DFT模拟证实的那样.
开发的复合材料显示了实用的Cr (VI) 废水处理的巨大潜力.

关键词:

这就是Cr (VI) 的意思.双重交叉连接双重交叉连接减少减少减少选择性去除选择性去除

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