石油化工2024，Vol.53Issue(7)：960-965,6.DOI:10.3969/j.issn.1000-8144.2024.07.007
吸热燃料裂解产物分析及裂解过程推测
Analysis of endothermic hydrocarbon fuel cracking products and speculation of their cracking process
摘要
Abstract
The gas-liquid products of endothermic hydrocarbon fuel pyrolysis were qualitatively and quantitatively analyzed using comprehensive two-dimensional gas chromatography coupled with mass spectrometry and flame ionization detector(GC×GC-MS/FID)and a micro gas chromatograph.The pyrolysis process was then studied based on the analysis results.The results indicate that the gas phase products are primarily hydrogen,methane,ethylene,ethane,and propylene.The liquid phase products at lower pyrolysis temperatures consist mainly of uncracked raw materials and low molecular weight alkenes,cycloalkenes,unsaturated hydrocarbons,alkylbenzenes,and indenes.At 680-700℃,the content of low molecular weight unsaturated hydrocarbons in the products shows a turning point,while the aromatic hydrocarbon content begins to increase sharply.The change in component content suggests that the cracking process first involves the production of small molecular gases and low molecular weight olefins.As the cracking temperature increases,the content of low molecular weight olefins rises,and some of these olefins are further converted into aromatic hydrocarbons.关键词
吸热燃料/裂解过程/全二维气相色谱-质谱联用仪/定性定量分析Key words
endothermic hydrocarbon fuel/pyrolysis process/comprehensive two-dimensional gas chromatography/qualitative and quantitative analysis分类
化学化工引用本文复制引用
李海静,景凯,张香文,王庆法..吸热燃料裂解产物分析及裂解过程推测[J].石油化工,2024,53(7):960-965,6.基金项目
国家自然科学基金项目(22279088). （22279088）
