| 摘要 |
FIELD: mining and other branches of industry. SUBSTANCE: ore is treated by a chelate-forming solution; an aqueous extract of high carbohydrate polymers treated in an aqueous solution for at least three days is used for the purpose. Vegetable remainder or sawdust is used as high carbohydrate polymers. EFFECT: facilitated procedure of leaching of metals from ores. 3 cl |
