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Fractal characteristics of adsorption of direct dye compounds onto modified montmorillonite particles
Author(s): 
Pages: 2174-2183
Year: Issue:  11
Journal: Acta Scientiae Circumstantiae

Abstract: 研究了改性蒙脱土颗粒(050823和MMT35)吸附2种直接染料(直接耐晒黑G和直接大红4BE)的吸附特性,并从类分形动力学规律、颗粒吸附染料前后的表面分形特征变化等方面对上述吸附过程进行了探讨.结果表明,颗粒对染料的吸附可分为快速的边缘覆盖和缓慢的晶层吸附2个过程.整个吸附过程符合准-二级反应动力学方程.并且染料进入晶层的吸附阶段具有类分形特征.除MMT35-直接大红4BE染料吸附体系外,Fre...
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