Macro maceral separation of low-rank coal and the pyrolysis behavior of the maceral-rich fractions

• Published in: Separation and purification technology Vol. 353; p. 128061
• Main Authors: Yu, Jia, Qian, Zhang, Zenglin, Gao, Yongming, Xin, Baolin, Zhang, Qi, Wang, Wei, Huang
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 19.01.2025
• Subjects: Coal macerals; Float-and-sink separation; Low rank coal; Pyrolysis; Pyrolysis; Float-and-sink separation; Low rank coal; Coal macerals

•Three maceral-rich fractions were obtained by maceral float-and-sink method.•Pyrolysis behavior of the separated maceral-rich fractions were evaluated.•The tar yield from pyrolysis of vitrinite-enriched fraction increased to 15.68 %.•The mechanism of free radical fragments in tar formation was furt...