International Journal of Energy Research

Research Article

Analysis of the Change Feature and Action Mechanism of Coal Pore Structure under the Action of Supercritical CO2

Table 4

Changes in the chemical reaction of carbonic acid with each mineral of the coal body.
Type of actionMineralChemical reaction formula
Dissolution-migrationCarbonic acid
Calcite
Dolomite
Dissolution-precipitatedPotassium feldspar
Sodium feldspar
Yellow iron