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Table 6 Rate parameters from Palandri and Kharaka [40].

From: Experimental Study of Cement - Sandstone/Shale - Brine - CO2Interactions

Phase Neutral Acid Base
  k25°C (mol/m2/s) Ea (mol/KJ) k25°C (mol/m2/s) Ea (mol/KJ) N k25°C (mol/m2/s) Ea (mol/KJ) n
aBoehmite -11.5 61.2 -7.7 47.5 0.99 -16.7 80.1 -0.78
Dolomite -7.5 52.2 -3.2 36.1 0.50    
bFe(OH)3         
Ripedolite -12.5 88 -11.1 88.0 0.50    
Illite -12.8 35 -11.0 23.6 0.34 -16.5 58.9 -0.40
Kaolinite -13.2 22.2 -11.3 65.9 0.78 -17.0 17.9 -0.47
Low-albite -12.6 69.8 -10.2 65.0 0.46 -15.6 71.0 -0.57
Quartz -14.0 87.7       
Siderite -8.9 62.76 -3.8 45.0 0.90    
Smectite -12.8 35 -11.0 23.6 0.34 -16.5 58.9 -0.40
  1. aGibbsite dissolution rates were applied for boehmite. bFe(OH)3 rate was estimated from match to the solution chemistry normalized to mineral moles and is listed in Table 7.