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主要研究采用氨水对活性炭纤维ACF表面进行改性,制备了3种不同的改性ACF,测定ACF孔结构和表面酸碱基团,并测定了苯乙烯在改性ACF床层的吸附透过曲线,讨论了改性ACF的孔结构和表面酸碱基团对其吸附性能的影响.结果表明,与原始ACF相比,经氨水改性后的活性炭纤维ACF其表面碱性基团含量、孔容及其比表面积增加,从而明显提高了对苯乙烯的吸附容量;用浓度为6mol/L的氨水改性的ACF2其微孔孔容及其比表面积最大,其对苯乙烯的吸附容量也最大.

参考文献

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