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Structural and compositional evolution of coal tar toluene insoluble during slurry-phase hydrocracking

机译：浆相加氢裂化过程中不溶性煤焦油甲苯的结构和组成演变

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摘要

Toluene insoluble (TI) is an important heavy components of coal tar. It significantly affects on residues upgrading and coke formation during slurry-phase hydrocracking. The structural and compositional evolution of TI were investigate in hydrocracking experiments with oil-soluble catalysts. Experiment results showed that the concentrations of TI after hydrocracked initially decreased and then increased as the increase of reaction temperature. And TI consisted organic aromatic compounds and inorganic species. At low temperatures, the TI evolution involved the thermal decomposition along with the elimination of heteroatoms groups. The Fe-1 S-x was formed by self-sulfurized from inorganic matters and was studied. At relatively high temperatures, the TI evolution included both mesophase and coke formation through the aromatic sheet stacking of rich-oxygen compounds. On the basis of experimental studies, the pathway of the TI evolution was proposed for slurry-phase hydrocracking. (C) 2017 Elsevier Ltd. All rights reserved.
机译：甲苯不溶物（TI）是煤焦油的重要重组分。它对淤浆相加氢裂化过程中的残渣提质和焦炭形成有重大影响。在油溶性催化剂的加氢裂化实验中研究了TI的结构和组成演变。实验结果表明，加氢裂化后TI的浓度先随着反应温度的升高先降低后升高。 TI由有机芳族化合物和无机物组成。在低温下，TI的演变涉及热分解以及杂原子基团的消除。 Fe-1 S-x是由无机物自硫化形成的，并进行了研究。在相对较高的温度下，TI的演变包括中间相和通过富氧化合物的芳香层堆积而形成的焦炭。在实验研究的基础上，提出了浆液相加氢裂化的TI演化途径。 （C）2017 Elsevier Ltd.保留所有权利。

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  • 来源
    《Fuel》 |2017年第1期|352-359|共8页
  • 作者

    Du Juntao; Deng Wenan; Li Jinlu; Li Chuan; Du Feng; Zhang Zailong; Yang Tengfei; Sun Qiang; Cao Xiangpeng;

  • 作者单位

    China Univ Petr, State Key Lab Heavy Oil, Qingdao 266580, Shandong, Peoples R China|Karamay Vocat & Tech Coll, Karamay 834000, Xinjiang, Peoples R China;

    China Univ Petr, State Key Lab Heavy Oil, Qingdao 266580, Shandong, Peoples R China;

    China Univ Petr, State Key Lab Heavy Oil, Qingdao 266580, Shandong, Peoples R China;

    China Univ Petr, State Key Lab Heavy Oil, Qingdao 266580, Shandong, Peoples R China;

    China Univ Petr, State Key Lab Heavy Oil, Qingdao 266580, Shandong, Peoples R China;

    China Univ Petr, State Key Lab Heavy Oil, Qingdao 266580, Shandong, Peoples R China;

    China Univ Petr, State Key Lab Heavy Oil, Qingdao 266580, Shandong, Peoples R China;

    China Univ Petr, State Key Lab Heavy Oil, Qingdao 266580, Shandong, Peoples R China;

    China Univ Petr, State Key Lab Heavy Oil, Qingdao 266580, Shandong, 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

    Coal tar toluene insoluble; Slurry-phase hydrocracking; Structure; Composition; Heteroatoms groups; Coke formation;

    机译：煤焦油不溶于甲苯;浆相加氢裂化;结构;组成;杂原子团;焦炭形成;

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