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Transformation of sulfur compounds in two typical atmospheric residues in hydrotreating via ESI FT-ICR MS

机译:通过ESI FT-ICR MS改进两种典型大气残留物中硫化合物的转化

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摘要

The atmospheric residue (AR) hydrotreating (HDT) process attracts more and more attention because it provides quality feedstock for downstream catalytic cracking. The compositional analysis of feeds and products is a key step to improve our understanding of HDT process. In this study, two ARs representing a low (LSAR) and a high sulfur content (HSAR) were hydrotreated in a fixed-bed flow reactor. With increased process severity, we employed electrospray ionization (ESI) Fourier transform ion cyclotron resonance mass spectrometer (FT-ICR MS) to monitor the evolution of the sulfur families in HDT. The results suggest that although the properties and molecular composition of sulfur classes in ARs vary, the evolution of the sulfur compounds is quite similar. Further analysis indicated that the removal difficulty of S1 and S2 species was positively correlated with the number of aromatic rings.
机译:大气残留(AR)加氢处理(HDT)工艺吸引了越来越多的关注,因为它为下游催化裂化提供了质量原料。饲料和产品的组成分析是提高我们对HDT过程的理解的关键步骤。在该研究中,表示低(LSSAR)和高硫含量(HSAR)的两个AR在固定床流动反应器中加氢处理。随着过程严重程度的增加,我们采用电喷雾电离(ESI)傅里叶变换离子回火谐振质谱仪(FT-ICR MS)来监测HDT中硫家族的演变。结果表明,尽管ARS中的硫类的性质和分子组成变化,但硫化合物的进化非常相似。进一步的分析表明,S1和S2物种的去除难度与芳环的数量正相关。

著录项

  • 来源
    《Fuel》 |2020年第1期|118731.1-118731.8|共8页
  • 作者单位

    Liaoning Shihua Univ Sch Petrochem Engn Fushun 113001 Liaoning Peoples R China|SINOPEC Dalian Res Inst Petr & Petrochem Dalian 116045 Liaoning Peoples R China;

    China Univ Petr State Key Lab Heavy Oil Proc Beijing 102249 Peoples R China|China Univ Petr Petr Mol Engn Ctr PMEC Beijing 102249 Peoples R China;

    Liaoning Shihua Univ Sch Petrochem Engn Fushun 113001 Liaoning Peoples R China;

    SINOPEC Dalian Res Inst Petr & Petrochem Dalian 116045 Liaoning Peoples R China;

    SINOPEC Dalian Res Inst Petr & Petrochem Dalian 116045 Liaoning Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Atmospheric residue; Hydrotreating; Sulfur compounds; Transformation;

    机译:大气残留;加氢处理;硫化合物;转化;

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