石油学报(石油加工) ›› 2016, Vol. 32 ›› Issue (5): 1045-1054.doi: 10.3969/j.issn.1001-8719.2016.05.024

• 研究报道 • 上一篇    下一篇

汪清页岩油组成结构的谱学分析

王擎,纪托,迟铭书,崔达   

  1. 东北电力大学 能源与动力工程学院, 吉林 吉林 132012
  • 收稿日期:2015-09-17 修回日期:2016-05-08 出版日期:2016-10-25 发布日期:2016-12-01
  • 通讯作者: 王擎,男,教授,博士,从事油页岩综合利用与洁净煤燃烧方面的研究;Tel:0432-64807366;E-mail:rlx888@126.com E-mail:273214537@qq.com
  • 基金资助:
    国家自然科学基金项目(51276034)资助

Spectroscopy Analysis on Structure of Wangqing Shale Oil

WANG Qing,JI Tuo,CHI Mingshu,CUI Da   

  1. Northeast Dianli University, School of Energy and Power Engineering, Jilin 132012, China
  • Received:2015-09-17 Revised:2016-05-08 Online:2016-10-25 Published:2016-12-01

摘要: 对干馏所得汪清页岩油样按沸点300℃切割成轻质油馏分(<300℃)和重质油馏分(>300℃),采用气相色谱质谱分析轻质油馏分的组成;对重质油馏分进行了FTIR、1H NMR与13C NMR的谱学分析,计算了相关结构参数。结果表明,轻质油中,脂肪烃质量分数为87017%,芳香烃不但含量少且缩合程度较低,含氮化合物以腈类为主,含氧化合物中酚类化合物占绝大部分,含硫化合物只检测到少量硫醇、噻吩类化合物。重质油中,取代基平均碳数N值为919,取代指数σ为650,说明重质油脂肪链较长,支化程度较高;芳香结构以二、三、四取代芳环为主,并有少量五取代芳环存在。

关键词: 页岩油, 热解, 气相色谱质谱, 核磁共振, 红外光谱, 有机化合物

Abstract: The Wangqing shale oil was divided into light oil (<300℃) and heavy oil (>300℃). GCMS was used to analyze the chemical composition of light oil, and FTIR, 1H and 13C NMR were used to characterize the chemical structure of heavy oil. The results showed that the mass fraction of aliphatic hydrocarbons in the light oil was 87017%, and the mass fraction of aromatic hydrocarbon was less with low condensation degree. The nitrogencontaining compounds were dominated by nitrile compounds, and the phenol compounds accounted for the majority of the oxygencontaining compounds, while only a few mercaptan and thiophene compounds were tested in sulfurcontaining compounds. The average carbon number(N) of substituent in the heavy oil was 919 and the substitution index(σ) was 650, which indicated that the aliphatic chain was relatively long and branching extent was high. The aromatics with two, three and four substituents were main, while that with five substituents was few in aromatic structure of heavy oil.

Key words: shale oil, pyrolysis, GC-MS, NMR, FT-IR, organic compounds