Abstract:Five coal samples
were prepared by deashing Shengli lignite in
distinct phases, which consisted of residual ash from spontaneous
combustion. The effects of removal and introduction of inherent minerals
on the water reabsorption performance of coal samples were systematically
investigated in three aspects: pore structure, oxygen-containing functional
groups, and lignite materials. Low-field nuclear magnetic resonance
spectroscopy was employed to investigate the changes in the water
molecular adsorption tendency… Show more
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