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催化油浆预加氢及中间馏分与高沸点馏分共炭化实验研究

王峰 张政 李泽梁 李科旗 刘贺 陈坤 郭爱军

王峰, 张政, 李泽梁, 李科旗, 刘贺, 陈坤, 郭爱军. 催化油浆预加氢及中间馏分与高沸点馏分共炭化实验研究[J]. 燃料化学学报. doi: 10.1016/S1872-5813(22)60076-8
引用本文: 王峰, 张政, 李泽梁, 李科旗, 刘贺, 陈坤, 郭爱军. 催化油浆预加氢及中间馏分与高沸点馏分共炭化实验研究[J]. 燃料化学学报. doi: 10.1016/S1872-5813(22)60076-8
WANG Feng, ZHANG Zheng, Li Ze-liang, LI Ke-qi, LIU He, CHEN Kun, GUO Ai-jun. Experimental study on pre-hydrogenation of catalytic slurry oil and co-carbonization of middle distillate and high boiling point distillate[J]. Journal of Fuel Chemistry and Technology. doi: 10.1016/S1872-5813(22)60076-8
Citation: WANG Feng, ZHANG Zheng, Li Ze-liang, LI Ke-qi, LIU He, CHEN Kun, GUO Ai-jun. Experimental study on pre-hydrogenation of catalytic slurry oil and co-carbonization of middle distillate and high boiling point distillate[J]. Journal of Fuel Chemistry and Technology. doi: 10.1016/S1872-5813(22)60076-8

催化油浆预加氢及中间馏分与高沸点馏分共炭化实验研究

doi: 10.1016/S1872-5813(22)60076-8
基金项目: 国家自然科学基金 (21776313, 21908248, 22278439), 山东省重点研发计划 (2017GGX70108), 中央高校专项研究基金 (20CX02206A), 重质油国家重点实验室项目 (25F21040114) 和研究生创新基金 (22CX04028A) 资助
详细信息
    通讯作者:

    Tel: 0532-86980607, Fax: 0532-86981787, E-mail: ajguo@upc.edu.cn

  • 中图分类号: TE626.8 + 7

Experimental study on pre-hydrogenation of catalytic slurry oil and co-carbonization of middle distillate and high boiling point distillate

Funds: The project was supported by the National Natural Science Foundation of China (21776313, 21908248, 22278439), the Key Technology Research and Development Program of Shandong (2017GGX70108), the Fundamental Research Funds for the Central Universities (20CX02206A), and the Development Fund of State Key Laboratory of Heavy Oil Processing (25F21040114), and Graduate Innovation Project (22CX04028A).
  • 摘要: 采用缓和预加氢对某催化油浆(SO)进行稳定化处理,通过多种分析手段对加氢前后SO的结构组成、热稳定性、蒸馏收率和于蒸馏过程中的生焦行为进行研究,并对加氢后SO(HSO)中间馏分(350−500 ℃)和高沸点馏分(500−550 ℃)的炭化性能以及二者的共炭化性能进行考察。结果表明,HSO的环烷烃和氢化芳烃含量增多,而不稳定组分烯烃含量大幅度降低,烯烃氢含量由2.71%降低为0.97%。由此,HSO的热稳定性显著增强,并且其中间馏分和高沸点馏分的蒸馏收率较SO分别提高了25.8%和23.1%。更为重要的是,HSO于蒸馏过程中无明显生焦现象。炭化试验结果表明,HSO中间馏分所得焦炭的光学纹理结构最优,为广域流线型,CTE值最低,为2.25 × 10−6/℃。HSO高沸点馏分炭化性能相对较差,而与中间馏分共炭化可以显著改善其炭化性能。当高沸点馏分与中间馏分调配质量比例不高于2∶1时,组合馏分所得焦炭为广域流线型结构,CTE值低于2.30 × 10−6/℃。
  • 图  1  SO和HSO的(a)1H NMR谱图及(b)氢分布

    Figure  1  (a) 1H NMR spectra and (b) hydrogen distributions of SO and HSO

    图  2  SO和HSO的红外光谱谱图

    Figure  2  FT-IR spectra of SO and HSO

    图  3  SO和HSO(a)在410 ℃下的生焦趋势曲线和(b)不同蒸馏深度下(500 ℃和550 ℃)的生焦率

    Figure  3  (a) Coke formation trend curves of SO and HSO under 410 ℃, and (b) coke yields during vacuum distillation of SO and HSO under 500 ℃ and 550 ℃ distillation depth

    图  4  SO和HSO经减压蒸馏后中间馏分(350−500 ℃)和高沸点馏分(500−550 ℃)收率

    Figure  4  Middle distillate (350−500 ℃) yields and high boiling point distillate (500−550 ℃) yields after vacuum distillation of SO and HSO

    图  5  MDO、HDO、H-MDO与H-HDO经炭化所得半焦偏光显微照片

    Figure  5  Polarized-light microscopic images of green cokes derived from carbonization of MDO, HDO, H-MDO, and H-HDO

    图  7  MDO、HDO、H-MDO和H-HDO所制备煅烧焦的(a)XRD谱图和(b)微晶结构参数

    Figure  7  (a) XRD spectra, and (b) crystal parameters of calcined cokes prepared from MDO, HDO, H-MDO, and H-HDO

    图  6  MDO、HDO、H-MDO和H-HDO所制备煅烧焦的SEM照片

    Figure  6  SEM images of calcined cokes prepared from MDO, HDO, H-MDO, and H-HDO

    图  8  MDO、HDO、H-MDO和H-HDO所制备煅烧焦的热膨胀系数

    Figure  8  CTE of calcined cokes prepared from MDO, HDO, H-MDO, and H-HDO

    图  9  H-MDO/H-HDO组合馏分经炭化所得半焦偏光显微照片

    Figure  9  Polarized-light microscopic images of green cokes derived from carbonization of H-MDO/H-HDO combined fractions

    图  10  H-MDO/H-HDO组合馏分所制备煅烧焦的SEM照片

    Figure  10  SEM images of calcined cokes derived from carbonization of H-MDO/H-HDO combined fractions

    图  11  H-MDO/H-HDO组合馏分所制备煅烧焦的(a)XRD谱图和(b)微晶结构参数

    Figure  11  (a) XRD spectra, and (b) crystal parameters of calcined cokes prepared from H-MDO/H-HDO combined fractions

    图  12  H-MDO/H-HDO组合馏分所制备煅烧焦的热膨胀系数

    Figure  12  CTE values of calcined cokes prepared from H-MDO/H-HDO combined fractions

    表  1  SO和HSO的主要性质

    Table  1  The main properties of the SO and HSO

    ItemSOHSO
    Density ρ20 /(g·cm−3)0.97730.9746
    Viscosity η100/(mm2·s−1)50.1047.72
    Residual carbon /(wt%)10.769.94
    Ash /(μg·g−1)16671598
    C /(wt%)88.0287.91
    H /(wt%)11.2511.32
    S /(wt%)0.410.35
    N /(wt%)0.320.30
    H/C atomic ratio1.531.55
    Saturates /(wt%)34.6435.36
    Aromatics /(wt%)45.2344.44
    Resins /(wt%)19.4919.64
    Asphaltenes /(wt%)0.640.56
    Molecular weight593.4585.7
    下载: 导出CSV

    表  2  SO和HSO的平均结构参数

    Table  2  Average structural parameters of SO and HSO

    Oil samplefafNRARNRT
    SO0.320.142.941.574.51
    HSO0.300.172.731.794.52
    下载: 导出CSV

    表  3  SO和HSO的红外结构参数对比

    Table  3  FT-IR structural parameters of SO and HSO

    Oil samplefaICHSIA
    SO0.350.340.49
    HSO0.320.360.47
    下载: 导出CSV
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  • 收稿日期:  2022-10-17
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