_:ne8dde82b78fa45a89677bc2f0fe9dd3dxb16
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"Coal rank refers to its degree of maturation, which depends on the macerals composition, active sites, volatile and inorganic matter contents, heteroatoms (N, S, and O), pore structures and moisture, and aromatic structure, all of which affect its reactivity during gasification (Alonso et al.<a href='https://trike-attac.com/qa/what-is-ranking-of-coal.html#qa-what-geologic-processes-influence-the-rank-of-a-bed-of-coal'>figure out</a>"
<https://trike-attac.com/qa/what-is-ranking-of-coal.html>