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利用比表面分析仪、扫描电镜和红外光谱仪对活性炭纤维(ACFs)的性能进行表征.选择一定浓度的六价铬[Cr(Ⅵ)]溶液进行吸附研究,考察接触时间、溶液pH值以及溶液中Cr(Ⅵ)的初始质量浓度对吸附行为的影响.结果表明,最佳接触时间为125 min ;Cr(Ⅵ)的去除率随着pH值的减小而增大,当pH=2.0时达到最大;Cr(Ⅵ)的吸附量随着Cr(Ⅵ)初始质量浓度的增加而增大,而去除率随着Cr(Ⅵ)初始质量浓度的增加而减小.此外,对材料 的吸附机制进行了简要的分析.

参考文献

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