News | Cales de Llierca micronized calcium carbonate plant,robots welding in factory calcium carbonate (PCC) and micronized calcium oxide in plastics Use lime treated sludge from water treatment plants EDARground calcium carbonate micronization plantGROUND CALCIUM CARBONATE MICRONIZATION PLANT [CODE NO1653] Calcite is a carbonate of calcium (CaCO3)containing 56% .