Adsorption of naphthenic acid on magnetite at different temperatures

被引:0
作者
O. V. Balmasova
A. G. Ramazanova
V. V. Korolev
机构
[1] Russian Academy of Sciences,Krestov Institute of Solution Chemistry
来源
Russian Journal of Physical Chemistry A | 2015年 / 89卷
关键词
naphthenic acid; hexane; heptane; adsorption isotherms; adsorption isostere; differential adsorption heat;
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学科分类号
摘要
Isotherms of naphthenic acid adsorption from heptane solutions on highly dispersed magnetite are studied using the adsorption equilibrium approach. The isosteric heats of naphthenic acid adsorption from heptane solutions are calculated over a temperature range of 293–308 K. The adsorption isotherms can be approximated using the equation for a straight line. Experimental adsorption isotherms are shown to be linear in the coordinates of the equation for the theory of volume filling of micropores (TVFM).
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页码:487 / 490
页数:3
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