高压DSC对烃类燃料安定性的研究

摘要热氧化和热裂解过程中沉积物的生成是影响燃料安定性的重要因素。燃料发生氧化反应的温度越高,其抗氧化性能越好;温度是影响裂解沉积量的主要因素,随着温度的升高沉积量迅速增加。本文利用高压DSC对各种燃料烃(正构烷烃、环烷烃、烷基芳烃和双环烃)的安定性进行了研究。结果表明,在氧化反应中,环己烷的抗氧化性能最好,抗氧化性能最差的是四氢萘和正丁苯;在裂解反应中,四氢萘发生裂解反应的温度最高,其次是环烷烃J、P-10、正构烷烃、十氢萘,裂解温度最低的为正丁苯。

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	郭兰珍
	张香文
	米镇涛

关键词：烃类燃料安定性热氧化反应热裂解反应

Abstract： The formation of deposits,which caused by thermal oxidation and thermal cracking,was the main factor on the stability of fuel.The higher oxidation temperature the fuel has,the better oxidation-resistance it has got.Otherwise,the temperature had a significant effect on the cracking deposit and the deposits increase with the increase of temperature.In this paper,the experimental investigation on the stability of various fuel hydrocarbons was carried out by high pressure DSC.As results,when being oxidation,the cyclohexane had best performance of antioxidation among the hydrocarbons investigated,while tetralin and butyl benzene had the poor.When being cracking,tetralin had a much higher temperature of cracking among the investigated hydrocarbons,then the cycloalkanes,JP-10,normal alkanes and decalin,the butyl benzene had the lowest temperature of cracking.

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Received 2006-05-15; published 2006-05-15

引用本文:

郭兰珍;张香文;米镇涛;.高压DSC对烃类燃料安定性的研究[J]. 化学工业与工程, 2006,23(3): 195-198

GUO Lan-zhen,ZHANG Xiang-wen,MI Zhen-tao.Investigation on Stability of Hydrocarbon Fuel by High Pressure DSC[J]. Chemcial Industry and Engineering, 2006,23(3): 195-198

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