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The central aim is to investigate the structural characteristics and liquefaction performance of macerals extracted from Yili coal.

January 23, 2026MoleculesOpen Access

Structural Characteristics and Direct Liquefaction Performance of Macerals in Yili Coal from Xinjiang

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The central aim is to investigate the structural characteristics and liquefaction performance of macerals extracted from Yili coal.
Employs primary and stepwise crushing techniques to separate Yili coal into inertinite-rich and vitrinite-rich concentrates.
Analyzes structural characteristics of macerals and their direct coal liquefaction (DCL) performance.
YLV exhibits the highest oil, asphaltene, and gas yield linked to its active functional groups.
Liquefaction oil from YLV contains the highest levels of alkanes and phenols.
YLI has the lowest product yield and higher aromatic, ester, and ketone contents due to its aromatic compounds.

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Reveals differences in liquefaction performance of macerals in Yili coal, suggesting optimal utilization strategies.

Wang et al. (2026) studied this question.

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