Analysis of oxygen-containing species in coal tar by comprehensive two-dimensional GC× GC-TOF and ESI FT-ICR mass spectrometry through a new subfraction …

Y Zhu, Y Guo, H Teng, J Liu, F Tian, L Cui, W Li… - Journal of the Energy …, 2022 - Elsevier
High oxygen content and ultracomplex composition are the biggest property characteristics
of coal tar, which is also the biggest reason for the difficulty of coal tar separation and
processing. The distribution of oxygen-containing compounds (OCs) and asphaltene
island/archipelago structure play a key role in the solubility and hydrogenation thermal
conversion of coal tar. In this study, the composition and structure of OCs in medium and low
temperature coal tar (MLCT) and its subfractions were innovatively studied in the molecular …
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