TREATMENT

The Company Mineira de Catoca Lda. It treats an average of 1335 tons / h of ore, about 10.6 million tons / year with a recovery of 98.9%.

A process that follows the following chains:

  • Primary crushing, disintegration in autogenous mills, sorting and sieving
  • Enrichment of the ore combining Jigagem and Dense Medium operations
  • Concentration of diamonds by X-ray
  • Chopping of diamonds

In 2016, treated ore amounted to 11.42 million tons (9.5% above 2016 – 10.44 million tons), for a total of 7.65 million carats recovered with a content of 0.67 carats per ton (2016 – 7.22 million carats and content – 0.69). In an extraction of 15.67 million m3 of mining mass (12.3% above 2016 – 13.96 million m3), of which 10.16 million m3 of barren removed and 5.51 million m3 of extracted ore.