| 摘要 |
FIELD: reprocessing of oxidized ore by sulfating. ^ SUBSTANCE: claimed method includes raw treatment with sulfuric acid, transfer of soluble sulfates into solution and roasted product leaching. Batch is baked in gas medium obtained by oxidizing of elementary sulfur of sulfides with air oxygen. Then gases are recycled into sulfuric acid production. Sulfur oxides released during batch baking are utilized together with sulfur oxidation products charged in oven. ^ EFFECT: prevention of sulfur oxides losses; cobalt and nickel recovery with high yield; reduced fuel consumption. ^ 1 tbl, 3 ex |
