Recovery of mineral values using magnetically susceptible ion ex

Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Radioactive metal

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4236585, 423DIG14, 75101BE, 210661, 210679, 210681, 210682, 210695, C22B 6002, C22B 900

Patent

active

046613277

ABSTRACT:
A novel ion exchange agent comprises a magnetically susceptible core or nucleus surrounded by a coating of plastic or resin ion exchange material, preferably a microreticular coating immediately surrounding the magnetically susceptible core and a macroreticular coating surrounding the microreticular coating and a novel method of preparing the same. A novel ion exchange process is disclosed, including applying a magnetic field to the body of the magnetically susceptible ion exchange agent to at least temporarily immobilize the ion exchange agent while passing liquids therethrough, particularly in the washing or other treatment of ground ores to recover mineral values therefrom in a resin-in-pulp process. Another aspect of the present invention relates to a novel method of recovering mineral values from ores, particularly uranium-containing ores wherein the ground ore is simultaneously contacted with a leach solution adapted to remove mineral values from the ore and a liquid or solid ion exchange agent adapted to remove the mineral values from the leach solution by ion exchange.

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