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Catalytic Cracking Constraints Analysis and Divisional Fluid Catalytic Cracking Process for Coker Gas Oil

机译：焦化瓦斯油催化裂化约束条件分析及分流催化裂化工艺

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摘要

The influences of the boiling point and fractional composinan of coker gas oil (CGO) on the fluid catalytic cracking performance wera investigated. Nitrogen compound and condensed iromatics in CGO were identified by electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry (ESI FT-ICR MS) and gas chromatography-mass spectrometry (GC-MS), respectively, and their effects were studied systematically. The result shows that the catalytic cracking performance pf CGO does not correspond to the boiling point of narrow fractions but rather to the basic nitrogen compounds and condensed aromatics that have high molecular weight and/or high condensation tendencies adversely. On the basis of these results, a. divisional fluid catalytic cracking (DFCC) process was proposed where a separate reaction zone was added to reduce the contents and effects of the adverse compounds in CGO duting catalytic ceacking. The simulation experiments of the DFCC process show that improved conversion and enhanced yield of light oil can be achieved when an appropriate reaction condition is applied to every reaction zone.
机译：研究了焦化瓦斯油（CGO）的沸点和分馏组分对流化催化裂化性能的影响。分别通过电喷雾电离傅立叶变换离子回旋共振质谱（ESI FT-ICR MS）和气相色谱-质谱（GC-MS）鉴定了CGO中的氮化合物和缩合的芳香族化合物，并对其作用进行了系统的研究。结果表明，CGO的催化裂化性能不对应于窄馏分的沸点，而是不利地具有高分子量和/或高凝结趋势的碱性氮化合物和稠合芳族化合物。根据这些结果，提出了分流催化裂化（DFCC）工艺，其中增加了一个单独的反应区，以降低催化裂化过程中CGO中有害化合物的含量和影响。 DFCC工艺的模拟实验表明，将适当的反应条件应用于每个反应区，可以提高轻油的转化率并提高产率。

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  • 来源
    《Energy & fuels》 |2012年第maraaapra期|p.2281-2291|共11页
  • 作者

    Zekun Li; Gang Wang; Yindong Liu; Hao Wang; Yongmei Lisng; Chunming Xu; Jinsen Gao;

  • 作者单位

    State Key laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, 102249, China;

    State Key laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, 102249, China;

    CNPC Research Institute of Petrochemical Technology, Beijing, 100195, China;

    Petrochina Planning and Engineering Institute, Beijing, 100083, China;

    State Key laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, 102249, China;

    State Key laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, 102249, China;

    State Key laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, 102249, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
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