摘要 |
THE INVENTION CONCERNS A METHOD AND APPARATUS FOR SEPARATING MINERAL PARTICLES ACCORDING TO THEIR DIELECTRIC AND/OR ELECTROPHYSICAL PROPERTIES. IN ONE PRACTICAL EXAMPLE, RUTILE PARTICLES CAN BE SEPARATED FROM ZIRCON PARTICLES. IN THE METHOD, THE MINERAL PARTICLES WHICH ARE TO BE SEPARATED ARE PASSED THROUGH A SHARPLY NON-HOMOGENOUS ELECTRICAL FIELD. PARTICLES WITH DIFFERENT DIELECTRIC AND/OR ELECTROPHYSICAL PROPERTIES ARE SUBJECTED TO DIFFERENT FORCES WHICH SEPARATE THEM SPATIALLY. THE SPATIALLY SEPARATED PARTICLES ARE COLLECTED IN DISCRETE FRACTIONS.
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