@article{ART002963443},
author={Li Qi and Han Dongyun and Qiao Haiyan and Shi Weiwei and Zhang Yuqi and Cao Zubin},
title={Structural evolution of the thermal conversion products of modified coal tar pitch},
journal={Carbon Letters},
issn={1976-4251},
year={2023},
volume={33},
number={1},
pages={261-271},
doi={10.1007/s42823-022-00433-8}
TY - JOUR
AU - Li Qi
AU - Han Dongyun
AU - Qiao Haiyan
AU - Shi Weiwei
AU - Zhang Yuqi
AU - Cao Zubin
TI - Structural evolution of the thermal conversion products of modified coal tar pitch
JO - Carbon Letters
PY - 2023
VL - 33
IS - 1
PB - Korean Carbon Society
SP - 261
EP - 271
SN - 1976-4251
AB - Coal tar pitch is a product with high carbon content and aromatic compounds. Modified coal tar pitch is a high quality raw material for the preparation of intermediate phase pitch, needle coke, carbon microspheres, et al. In this paper, modified coal tar pitch was used as raw material, nitrogen was used as protective gas, and thermal conversion was carried out at constant temperatures (370, 390, 410, 420 °C). Polarized light microscopy, SEM, elemental analysis, FTIR spectroscopy, Raman spectroscopy and XRD diffraction combined with split-peak fitting were used to characterize the microstructures of the thermal transformation products. The results showed that the Iar and CH3/CH2 contents of the products increased with the gradual increase of the thermal conversion temperature, and the aromatic content increased. And the higher the temperature at the same heating rate, the more the ideal graphite microcrystal content, and the defective graphite microcrystals are converted into ideal graphite microcrystals during the thermal conversion process. When the reaction temperature exceeds 390 °C, the microstructure of the thermal transformation products is anisotropic spheres, and the small spheres fuse with each other and tend to be basin-like and mosaic structure as the temperature increases.
KW - Modified coal tar pitch Thermal conversion Microstructure Ethylene tar Carbon material precursors
DO - 10.1007/s42823-022-00433-8
ER -
Li Qi, Han Dongyun, Qiao Haiyan, Shi Weiwei, Zhang Yuqi and Cao Zubin. (2023). Structural evolution of the thermal conversion products of modified coal tar pitch. Carbon Letters, 33(1), 261-271.
Li Qi, Han Dongyun, Qiao Haiyan, Shi Weiwei, Zhang Yuqi and Cao Zubin. 2023, "Structural evolution of the thermal conversion products of modified coal tar pitch", Carbon Letters, vol.33, no.1 pp.261-271. Available from: doi:10.1007/s42823-022-00433-8
Li Qi, Han Dongyun, Qiao Haiyan, Shi Weiwei, Zhang Yuqi, Cao Zubin "Structural evolution of the thermal conversion products of modified coal tar pitch" Carbon Letters 33.1 pp.261-271 (2023) : 261.
Li Qi, Han Dongyun, Qiao Haiyan, Shi Weiwei, Zhang Yuqi, Cao Zubin. Structural evolution of the thermal conversion products of modified coal tar pitch. 2023; 33(1), 261-271. Available from: doi:10.1007/s42823-022-00433-8
Li Qi, Han Dongyun, Qiao Haiyan, Shi Weiwei, Zhang Yuqi and Cao Zubin. "Structural evolution of the thermal conversion products of modified coal tar pitch" Carbon Letters 33, no.1 (2023) : 261-271.doi: 10.1007/s42823-022-00433-8
Li Qi; Han Dongyun; Qiao Haiyan; Shi Weiwei; Zhang Yuqi; Cao Zubin. Structural evolution of the thermal conversion products of modified coal tar pitch. Carbon Letters, 33(1), 261-271. doi: 10.1007/s42823-022-00433-8
Li Qi; Han Dongyun; Qiao Haiyan; Shi Weiwei; Zhang Yuqi; Cao Zubin. Structural evolution of the thermal conversion products of modified coal tar pitch. Carbon Letters. 2023; 33(1) 261-271. doi: 10.1007/s42823-022-00433-8
Li Qi, Han Dongyun, Qiao Haiyan, Shi Weiwei, Zhang Yuqi, Cao Zubin. Structural evolution of the thermal conversion products of modified coal tar pitch. 2023; 33(1), 261-271. Available from: doi:10.1007/s42823-022-00433-8
Li Qi, Han Dongyun, Qiao Haiyan, Shi Weiwei, Zhang Yuqi and Cao Zubin. "Structural evolution of the thermal conversion products of modified coal tar pitch" Carbon Letters 33, no.1 (2023) : 261-271.doi: 10.1007/s42823-022-00433-8
