Adsorption of naphthenic acid on magnetite at different temperatures

被引：1
|
作者：
Balmasova, O. V. [1 ]
Ramazanova, A. G. [1 ]
Korolev, V. V. [1 ]
机构：
[1] Russian Acad Sci, Krestov Inst Solut Chem, Ivanovo 153045, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2015年 / 89卷 / 03期
基金：
俄罗斯基础研究基金会;
关键词：
naphthenic acid; hexane; heptane; adsorption isotherms; adsorption isostere; differential adsorption heat; MICROPOROUS CARBON ADSORBENT; FINELY DISPERSED MAGNETITE; METHANE ADSORPTION; ORGANIC-SOLVENTS; LINOLENIC ACID; HIGH-PRESSURES; FATTY-ACIDS; TETRACHLORIDE; ISOTHERMS; SURFACE;
D O I：
10.1134/S0036024415030061
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
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).
引用
收藏
页码：487 / 490
页数：4
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