Fuel, volume 222, pages 617-626

Effects of different extracted components from petroleum pitch on mesophase development

Publication typeJournal Article
Publication date2018-06-01
Journal: Fuel
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor7.4
ISSN00162361, 18737153
Organic Chemistry
General Chemical Engineering
Energy Engineering and Power Technology
Fuel Technology
Abstract
Naphthenic-based petroleum pitch was divided into three components, including heptane-soluble (HS), heptane-insoluble/toluene-soluble (HITS) and toluene-insoluble (TI), by sequential extraction with heptane and toluene. Mesophase pitches were prepared by direct condensation of the extracted components and their mixtures. Effects of different components on formation and development of mesophase structures were investigated. Results showed that HITS was the optimal component for preparation of mesophase pitch with large domain structure, low softening point, high carbon residue and ordered microcrystal structure. Interactive effect indexes were cited to monitor the interaction of these components on mesophase development. The component HS with rich alkyl chains accelerated the carbonization via chain breaking at the initial stage of reaction, and HITS with abundant naphthenic structures alleviated the carbonization through hydrogen-transfer reaction during the aggregation process of aromatic molecules, and TI as initial nucleus could trigger the generation of mesophase spheres. However, the mixture of HS and TI possessed a weaker interactive effect on mesophase development compared to the other two mixtures. This was mainly due to the differences in molecular weight distribution and molecular structure between HS and TI. Furthermore, naphthenic structures had a better improving effect than alkyl chains on the generation of high-quality mesophase pitches.

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GOST Copy
Li M. et al. Effects of different extracted components from petroleum pitch on mesophase development // Fuel. 2018. Vol. 222. pp. 617-626.
GOST all authors (up to 50) Copy
Li M., Liu D., Men Z., Lou B., Yu S., Ding J., Cui W. Effects of different extracted components from petroleum pitch on mesophase development // Fuel. 2018. Vol. 222. pp. 617-626.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1016/j.fuel.2018.03.011
UR - https://doi.org/10.1016%2Fj.fuel.2018.03.011
TI - Effects of different extracted components from petroleum pitch on mesophase development
T2 - Fuel
AU - Li, Ming
AU - Liu, Dong
AU - Men, Zhuowu
AU - Lou, Bin
AU - Yu, Shitao
AU - Ding, Junwei
AU - Cui, Wenlong
PY - 2018
DA - 2018/06/01 00:00:00
PB - Elsevier
SP - 617-626
VL - 222
SN - 0016-2361
SN - 1873-7153
ER -
BibTex
Cite this
BibTex Copy
@article{2018_Li,
author = {Ming Li and Dong Liu and Zhuowu Men and Bin Lou and Shitao Yu and Junwei Ding and Wenlong Cui},
title = {Effects of different extracted components from petroleum pitch on mesophase development},
journal = {Fuel},
year = {2018},
volume = {222},
publisher = {Elsevier},
month = {jun},
url = {https://doi.org/10.1016%2Fj.fuel.2018.03.011},
pages = {617--626},
doi = {10.1016/j.fuel.2018.03.011}
}
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