CaCO3 is applied widely to various industries as one of important inorganic materials. As present, some domestic or oversea scholars pay their more attation to the study of carbonization reaction between gas and liquid. In this process, CaCO3 is preparated by entering CO2 into the Ca(OH)2 latex, which is regarded as calcium source. A great deal of limestones and coals are consumed in this process. With the cause of limit and non-regeneration of mineral resources, a new technologic route is selec...