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《辽宁石油化工大学学报》 2004-01
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Improvement of the Gasohol's Stability

BAI Ying-zhi~1, CUI Guo-jing~1, HAO Na~2, WANG Hai-yan~(1*), MA Jun~1 (1.School of Petrochemical Technology, Liaoning University of Petroleum Chemical & Technology, Fushun Liaoning 113001, China; 2.Northeastern Teachers University, Changchun Jilin 130000, China)  
To improving the gasohol's stability, dispersant was added. This experiment mainly related to the ratio of ethanol and gasoline, the additive's species and its quantity to gasohol's vague point. Contemporary, ethanol's effect to gasoline's range of boiling, octane number (RON) and the like properties were studied. The results show that the vague point of gasoline and ethanol increase as the increasing water content of ethanol without adding the additives; dispersant can evidently decrease the gasohol's vague point. A little additive B and C can improve the main additive's solvent effect significantly. With the increasing quantities of the additives, the vague point of gasohol decreases slowly. The best effect of additive is at 10 percent of ethanol which contain 4.3% water, additive's quantities and ratio are 2.91%, V(A_1)∶V(B)∶V(C) is 90∶7.5∶2.5 respectively, thus it makes the vague point reach to -25 ℃ and can gain profit from this. The octane number (RON) increase from 90 to 93, T_(10) and T_(50) are lower after the blending of gasohol.
【CateGory Index】: TE626.21
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