The results show that the activation energy of the fast polycondensation and fast pyrolysis stages increases with increasing pyrolysis pressure, while the slow pyrolysis stage shows a decreasing trend, indicating that pressure mainly affects the decomposition and polycondensation of the macromolecular structure during pyrolysis.
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Study on the Gasification Mechanism and Kinetic Characteristics of Deep Underground Coal Gasification Based on Pressurized TG-FTIR.
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