METHODS FOR THE EXTRACTION OF METALS FROM OCEANIC MANGANESE LATERITES AND NODULES

摘要

THE PROCESS FOR THE EXTRACTION OF FERROUS, MANGANESE AND NON-FERROUS METALS FROM ORES CONTAINING IRON OXIDE AND MANGANESE OXIDE BY REDUCED EXTRACTION, INCLUDES THE FOLLOWING STAGES: /P P ON CONTACT PULVERIZED ORE WITH A SOLUTION OF ACID STABILIZED COPPER IONS IN AN APPROPRIATE REACTOR AT A TEMPERATURE OF UP TO APPROXIMATELY 90C WHILE KEEPING THE PH BETWEEN ABOUT 1.5 AND 2.5 WITH AN ACID TO FORM A BOILED, IN WHICH L IS A STABILIZING COORDINATE (LIGAND) CHOSEN FROM THE GROUP CONSTITUTES OF CO, XRCN AND CL, X BEING -H OR -OH AND R BEING AN ALIPHATIC RADICAL HAVING 1 TO APPROXIMATELY 4 CARBON ATOMS; / P P -ON SEPARATE THIS SLURRY INTO A PORTION OF SOLID RESIDUES AND IN A LAUNDRY, THIS LAUNDRY CONTAINING FERROUS, MANGANOUS, COPPER AND OTHER SOLUBILIZED NON-FERROUS METAL IONS; /P P -ON EXTRACT SELECTIVELY THESE SOLUBILIZED METAL IONS; AND /P P -ON REGENERATES THIS COPPER ION SOLUTION FROM THESE SOLUBILIZED COPPER IONS AND THIS COORDINATE, L, IN THE PRESENCE OF A REDUCER.