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超声波处理对加氢反应前后沥青质单元分子结构的影响

张强,  孙昱东,  杨朝合,  王雪

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文章导航 > 燃料化学学报（中英文）  > 2014 >  42(01): 48-54
张强, 孙昱东, 杨朝合, 王雪. 超声波处理对加氢反应前后沥青质单元分子结构的影响[J]. 燃料化学学报（中英文）, 2014, 42(01): 48-54.
引用本文: 张强, 孙昱东, 杨朝合, 王雪. 超声波处理对加氢反应前后沥青质单元分子结构的影响[J]. 燃料化学学报（中英文）, 2014, 42(01): 48-54.
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ZHANG Qiang, SUN Yu-dong, YANG Chao-he, WANG Xue. Effect of ultrasonic treatment on the unit structure of pre-and post-hydrotreating asphaltenes[J]. Journal of Fuel Chemistry and Technology, 2014, 42(01): 48-54.
Citation: ZHANG Qiang, SUN Yu-dong, YANG Chao-he, WANG Xue. Effect of ultrasonic treatment on the unit structure of pre-and post-hydrotreating asphaltenes[J]. Journal of Fuel Chemistry and Technology, 2014, 42(01): 48-54.
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超声波处理对加氢反应前后沥青质单元分子结构的影响

  • 中国石油大学(华东) 重质油国家重点实验室, 山东 青岛 266555

基金项目: 中国石油大学（华东）研究生创新工程项目（CX201304）；中央高校基本科研业务费专项基金（11CX05008A）；中国石油科技创新基金（2011D-5006-0405）。
详细信息
    通讯作者:

    孙昱东，Tel：0532-86984702，E-mail：ydsun@upc.edu.cn。

  • 中图分类号: TE624

Effect of ultrasonic treatment on the unit structure of pre-and post-hydrotreating asphaltenes

  • State Key Laboratory of Heavy Oil Processing, China University of Petroleum(East China), Qingdao 266555, China

    摘要
  • 摘要: 以胜利减渣和沙轻减渣为原料，研究了超声波处理对加氢反应前后沥青质单元分子结构的影响，并结合1H-NMR数据、沥青质单元分子参数变化和红外光谱分析等结果，用Chem Bio Draw Ultra 2012模拟出不同条件下两种沥青质单元分子的结构。结果表明，超声波处理减少了沥青质的缔合数，使沥青质单元分子发生开环反应和脱烷基侧链反应加剧，改变了沥青质单元分子的结构，对加氢后沥青质单元分子的结构和组成产生重要影响。沥青质单元分子模型可形象体现超声波处理对加氢反应前后沥青质单元分子化学结构的影响，有助于在分子水平上解释超声波处理影响沥青质单元分子的原因。
    Abstract: The effect of ultrasonic treatment on the unit structure of pre-and post-hydrotreating asphaltenes were investigated with Shengli vacuum residue and Saudi Arabia light vacuum residue as raw materials. The unit molecular structures of the asphaltenes were analyzed through simulation with the software Chem Bio Draw Ultra version 2012, combining with the data of 1H-NMR, FT-IR and structural parameters of asphaltene units. The results showed that the association number is decreased by ultrasonic treatment, as it can reinforce the ring opening and desorption of alkyl side chain of the asphaltene unit and then exhibits a significant influence on the structure of asphaltene unit after hydrotreating. The model used here can vividly reflect the influence of ultrasonic treatment on the chemical structure of pre-and post-hydrotreating asphaltene unit at molecular level.
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出版历程
  • 收稿日期:  2013-05-24
  • 修回日期:  2013-08-05
  • 刊出日期:  2014-01-30

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