Sorption of butane, propane, ethane, methane, and carbon dioxide on asphaltene

被引：0
|
作者：
A. N. Dmitrievskii
A. A. Pribylov
N. A. Skibitskaya
L. A. Zekel’
A. P. Kubyshkin
M. Ya. Shpirt
机构：
[1] Russian Academy of Sciences,Institute of Oil and Gas Problems
[2] Russian Academy of Sciences,Institute of Physical Chemistry
[3] Russian Academy of Sciences,Institute of Laser and Information Technology Problems
[4] Institute of Fossil Fuels,undefined
来源：
Russian Journal of Physical Chemistry | 2006年 / 80卷
关键词：
Butane; Sorption Isotherm; Desorption Isotherm; Excess Adsorption; Solid Sorbent;
D O I：
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中图分类号：
学科分类号：
摘要：
Isotherms of sorption of butane, propane, ethane, methane, and carbon dioxide on an asphaltene sample of known elemental composition were measured. The effect of the pressure and temperature on the shape the sorption isotherms for all the adsorption systems studied was examined. The values of the initial heat of sorption were determined and compared to the energies of interaction of the molecules with asphaltene. The results obtained suggest that asphaltene is a swellable amorphous sorbent.
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页码：1099 / 1104
页数：5
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