Recovery of molybdenum
Abstract
Abstract A PROCESS FOR THE RECOVERY OF MOLYBDENUM VALUES FROM AQUEOUS SOLUTIONS DERIVED FROMTHE ALKALI FUSION OF MOLYBDENUM BEARING ORES IS DISCLOSED. THE PROCESS INVOLVES TREATMENT OF THE AQUEOUS SOLUTION WITH AN EXCESS OF AN OXIDIZING AGENT TO ACHEIVE A SOLUTION ESSENTIALLY FREE OF SULFIDE IONS UNDER CONTROLLED BASIC PH CONDITIONS, HEATING TO A SUFFICIENT TEMPERATURE TO ATTAIN A SOLUTION SUBSTANTIALLY FREE OF EXCESS OXIDIZING AGENT, ADJUSTING THE PH TO ABOUT 4.0 TO ABOUT 4.5 AND CONTACTING IN A PLURALITY OF STAGES WITH A TERTIARY AMINE EXTRACTANT SOLUTION, AND ADJUSTING THE PH INTERMEDIATE OF THE STAGES AND THEREAFTER RECOVERING THE MOLYBDENUM FROM THE EXTRACTANT SOLUTION AND RECYCLING THE EXTRACTANT SOLUTION.
Inventors
- 👤 T Kim
- 👤 J Laferty
- 👤 L Pagnozzi
- 👤 Innis M Mac
Bibliographic Details
Claims Analysis
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