Fig. 2: Changes of solution pH versus variable dosage of additives.

a pH changes versus wollastonite dosage at a constant pressure of 100 atm and temperature of 298 K; b pH changes versus Ca(OH)2 dosage at a constant pressure of 100 atm and temperature of 298 K; c pH changes versus CaO dosage at a constant pressure of 100 atm and temperature of 298 K.