How Portland Cement Is Made

Portland cement is the main binding material in concrete. It is made from finely ground ingredients that include lime, iron, silica, and alumina. These materials give cement the properties it needs to hold concrete together.

The raw ingredients come from several common natural sources. Lime is ob...

El cemento Portland, el ingrediente aglutinante del hormigón, se produce a partir de materiales calcáreos, ricos en cal y materiales arcillosos, que contienen sílice, alúmina y óxido de hierro.

Las materias primas se trituran en trituradoras y se almacenan en silos. A continuación, se dosifican y se avanzan al molino de molienda y se muel...