PROCESS FOR PRODUCING A FINE CEMENT AGGREGATE FROM RED MUD PRODUCED DURING THE PROCESS OF BAUXITE REFINING (THE BAYER PROCESS)

摘要

PROCESS FOR PRODUCING A FINE CEMENT AGGREGATE FROM RED MUD PRODUCED DURING THE PROCESS OF BAUXITE REFINING (THE BAYER PROCESS), presents an invention regarding the production of a fine additive for Portland cement from Red Mud, which is a byproduct of bauxite processing by the Bayer process. In the present invention the material is mixed and then thermally treated so as to develop phases of interest via decompositions and/or crystallizations. The product may contain up to 30% of other byproducts or argillaceous raw materials.