A study on upgrading light coal tar to aerospace fuel

BAI Zhe; HUANG Peng; WANG Lu-yao; CAO Hong-wei; ZHANG Xiang-wen; LI Guo-zhu

doi:10.1016/S1872-5813(21)60062-2

Volume 49 Issue 5

May 2021

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Article Navigation > Journal of Fuel Chemistry and Technology > 2021 > 49(5): 694-702

BAI Zhe, HUANG Peng, WANG Lu-yao, CAO Hong-wei, ZHANG Xiang-wen, LI Guo-zhu. A study on upgrading light coal tar to aerospace fuel[J]. Journal of Fuel Chemistry and Technology, 2021, 49(5): 694-702. doi: 10.1016/S1872-5813(21)60062-2

Citation:

BAI Zhe, HUANG Peng, WANG Lu-yao, CAO Hong-wei, ZHANG Xiang-wen, LI Guo-zhu. A study on upgrading light coal tar to aerospace fuel[J]. Journal of Fuel Chemistry and Technology, 2021, 49(5): 694-702. doi: 10.1016/S1872-5813(21)60062-2

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A study on upgrading light coal tar to aerospace fuel

doi: 10.1016/S1872-5813(21)60062-2

BAI Zhe^{1, 2
,},
HUANG Peng³,
WANG Lu-yao¹,
CAO Hong-wei¹,
ZHANG Xiang-wen^{1, 2},
LI Guo-zhu^{1, 2
,
,}

1.
Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
2.
Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
3.
Beijing Coal Chemistry Research Institute, China Coal Research Institute, Beijing 100013, China

Funds: The project was supported by National Key Research and Development Project of China (2016YFB0600305)

Received Date: 2020-12-30
Rev Recd Date: 2021-01-27

Available Online: 2021-03-09

Publish Date: 2021-05-28

Abstract

Abstract

In this paper, light coal tar derived from China Coal Research Institute was used as raw material to conduct a research on developing a chemical process to produce aerospace fuel. In view of the characteristics of the coal tar, a route comprising of primary desulfurization- fraction cutting- secondary desulfurization- hydrogenation saturation was designed. The optimal pressure and temperature were determined to be 5 MPa and 300 °C for hydrodesulfurization on NiMoW/Al₂O₃, and 5 MPa and 240 °C for hydrogenation saturation on Pd/Al₂O₃. After treatment, the sulfur content decreased from 323 to 8.5 mg/kg. The benzenes, naphthalenes and other aromatic compounds in the raw oil were converted into cycloalkanes. The main components of the final product were cycloalkanes and chain alkanes, and the contents were 58.38% and 29.65% respectively. The final product exhibited high heating value, low sulfur content and low unsaturated aromatic hydrocarbons, which possessed great potential to be used in aerospace fuels.
- coal tar,
- hydrodesulfurization,
- hydrogenation saturation,
- aerospace fuel

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References(20)

References

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