多壁碳纳米管采用H2SO4,KMnO4,HNO3氧化处理后用于铊吸附研究.碳纳米管经处理后表面官能团增加,采用Bohmn滴定法确定了样品的表面官能团的量.当用于吸附铊时,氧化处理显著提高了其吸附能力.采用Langmuir方程进行拟合处理后获得原始碳纳米管、H2SO4,KMnO4,HNO3氧化处理后样品的吸附量分别为3.0,11.7,21.6 and 31.55 mg/g.HNO3处理后具有对铊最佳的吸附性能.
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