PROCESS OF ENVIRONMENTAL RECOVERY OF INACTIVE AND EXHAUSTED MINING AREAS, AND USE OF MINING AND/OR DRILLING RESIDUES IN THE ENVIRONMENTAL RECOVERY OF INACTIVE AND EXHAUSTED MINING AREAS

摘要

The present application relates to a process of environmental recovery of inactive or exhausted mining areas, with the use of mining and/or drilling residues, which comprises the steps of: i) preparing the area or "cell" to be reclaimed, by: a) cleaning said cell, through the removal, containment or relocation of loose or unstable rocks; b) building drainage systems in said cell (including its surroundings); and by c) sealing the surface of said cell; d) optionally, building an accumulation lake; ii) filling said cell with mining and/ or drilling residues; and iii) enclosing said filled cell with a sealing layer. The present invention further comprises the use of mining and/or drilling residues in the environmenta) recovery of inactive or exhausted mining regions, by using said residues.