基于气相色谱-质谱联用的喷气燃料详细烃类组成快速分析技术的应用

APPLICATION OF FAST ANALYSIS TECHNIQUE FOR DETAILED HYDROCARBON COMPOSITION OF JET FUEL BASED ON GAS CHROMATOGRAPHY-MASS SPECTROMETRY

针对当前喷气燃料烃类组成测定存在自动化程度低、分析时间长、步骤繁琐和精密度差等问题,设计并提出了一套基于气相色谱(GC)预分离与质谱(MS)分析相结合的喷气燃料详细烃类组成快速分析技术,并形成了由分析方法、分析系统及分析平台组成的全流程解决方案。某炼油厂现场应用结果显示:喷气燃料详细烃类组成快速分析技术测定结果与现有标准方法测定结果具有良好的一致性,实施的技术方案在不同厂家的GC-MS仪器上的测定结果具有良好的一致性。喷气燃料详细烃类组成快速分析技术可在9 min内完成喷气燃料中13种详细烃类(包含烯烃)含量的测定,且分析过程全自动化、绿色化,技术经济性优势显著。

In view of the problems of non-automation,long analysis time,complicated steps and poor precision in the determination of hydrocarbon composition of jet fuels,a rapid analysis technology for detailed hydrocarbon composition of jet fuel based on the combination of gas chromatography(GC)pre-separation and mass spectrometry(MS)was designed and implemented,and formed by the analysis method,analysis system and analysis platform composed of the whole process solution.The results of field application in an oil refinery showed that the results of detailed hydrocarbon composition analysis of jet fuel were in good agreement with those of existing standard methods.The results of the implemented technique scheme on different models of GC-MS were good consistency.The rapid analysis technique for detailed hydrocarbon composition of jet fuel could determine the content of 13 species of detailed hydrocarbons(including olefins)in jet fuel within 9 min,and the analysis process was automatic and green.The advantage of technical economic is remarkable.