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化工学报  2012 

高比表面磁性有序介孔炭的合成及对亚甲基蓝的吸附性能

DOI: 10.3969/j.issn.0438-1157.2012.12.049, PP. 4082-4088

Keywords: 有序介孔炭,合成,吸附,亚甲基蓝

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Abstract:

具有高比表面积、大孔容的铁磁性有序介孔炭(Fe/OMCs)对含染料废水的处理提供了一种简单有效的方法。采用苯酚树脂作炭源,三嵌段共聚物F127为模板剂,正硅酸乙酯为硅前驱体,硝酸铁为磁源,通过软模路线合成了Fe/OMCs。利用X射线衍射仪(XRD),氮气吸附仪,透射电镜(TEM)和综合物性测试仪研究了硝酸铁加入量对Fe/OMCs的相态、孔结构参数和磁性的影响;并以亚甲基蓝(MB)为染料探针分子,研究了Fe/OMCs对MB的吸附行为。结果表明材料有序性、比表面和孔容随着硝酸铁加入量的增加而降低,而饱和磁化强度明显增强。Fe/OMCs对MB有快速吸附能力,其行为符合Sips吸附方程。

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