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Study on the Mechanism of Expanded Graphite Degreasing and It's Influencing Factors
Author(s): 
Pages: 84-86,93
Year: Issue:  4
Journal: Environmental Science and Management

Keyword:  膨胀石墨微观结构吸附柴油;
Abstract: 针对水面浮油的去除问题,通过对新型吸附材料-膨胀石墨的扫描电镜观察,从其结构特征的角度揭示了膨胀石墨的吸油机理,首次系统地研究了温度、时间、pH等操作条件对吸附油性能的影响.扫描电镜的结果显示膨胀石墨的鳞片厚度都在100 nm以上,而且以大孔、超大孔为主,这种结构赋予了膨胀石墨独特的吸附特性.探作条件对膨胀石墨的吸附性能有重要的影响,在本实验条件下即在酸(中)性条件下,吸附时间1min~2 min左右,转速为660 r/min膨胀石墨可达到饱和吸附量.
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