Influence of solvent addition on the physicochemical properties of Brazilian gasoline

被引：58
|
作者：
Takeshita, E. V. [1 ]
Rezende, R. V. P. [2 ]
de Souza, S. M. A. Guelli U. [1 ]
de Souza, A. A. Ulson [1 ]
机构：
[1] Univ Fed Santa Catarina, Dept Chem Engn, Lab Mass Transfer, BR-88040900 Florianopolis, SC, Brazil
[2] Univ Fed Santa Catarina, Dept Mech Engn, BR-88040900 Florianopolis, SC, Brazil
来源：
FUEL | 2008年 / 87卷 / 10-11期
关键词：
gasoline adulteration; azeotropic mixtures; gasoline properties;
D O I：
10.1016/j.fuel.2007.11.003
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The influence of several solvents (anhydrous ethanol, white spirit, alkylbenzene AB9, diesel) on the physicochemical parameters of gasoline was studied according to ASTM international standard methods. The parameters investigated (distillation curves, density, Reid vapor pressure) showed differentiated behavior, depending on the class of the solvent (oxygenated, light and heavy aliphatic, aromatic) and the quantity added to the gasoline. The azeotropic mixtures formed by ethanol and hydrocarbons showed a strong influence on the behavior of the distillation curves and the location of the point of a sudden change in temperature was shown to be a possible way to detect adulterations and determine the quantity of solvent added to the gasoline. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2168 / 2177
页数：10
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