The Zeta potential of zeolite changed from negative value to positive value after modified by cation surfactant, and this indicated that the adsorption of cation surfactant on zeolite induced a change in its surface charge properties.

 
  • 研究还发现沸石经有机改性后表面Zeta电位由负变正;说明表面活性剂在沸石表面的吸附改变了沸石表面的电荷性质;这也是有机沸石能够对铬酸根发生静电吸附的主要原因.
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