Lime technical requirements: according to the lime content of active lime powder protactinium oxide offer the lime and lime powder into calcium lime and magnesia lime; slaked lime according to the content of magnesia slaked lime powder lime powder into calcium, magnesium quality lime powder and dolomite lime powder. Lime: to determine the characteristics of the calcined limestone calcination equipment and active lime powder manufacturers, is important to ensure that access to qualified products. The raw material for the production of lime, mainly carbonate rocks, elemental as CaCO3-based, which is what we usually refer to the limestone.