Unraveling the Nanopores Evolution: Chemical Structure Control in Coal during Coalification
Peng Feng,
Song Li,
Shuling Tang
et al.
Abstract:Nanopores play a crucial role in the storage, desorption, and diffusion of coalbed methane within the coal. This study aims to clarify the evolution mechanism of nanopores controlled by the chemical structure of coal during coalification. By conducting lowpressure CO 2 and N 2 adsorption experiments, the nanopore structure of six distinct coal samples with varying ranks was identified. Additionally, the chemical structure of coal was characterized through 13 C nuclear magnetic resonance and Raman spectroscopie… Show more
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