Micromechanism Analysis of Surfactant Wetting of Coal Based on <sup>13</sup>C NMR Experiments.

ACS Omega · 2021 · PMC7818588 · PMID 33490797

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In the carbon structure of coal, the content of aromatic carbon occupies an absolute advantage; the content in lignite reaches 64.36%, and it shows an increasing trend with increasing coal metamorphism, and the content in anthracite can be greater than 90%.

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