PROCESS FOR THE REMOVAL OF IMPURITIES FROM CARBONATE MINERALS

摘要

A process for the beneficiation of carbonate mineral substrates by magnet ic separation is defined herein wherein a phosphorus or nitrogen containing organic compound or reagent and a plurality of magnetic particles are interm ixed with a carbonate containing mineral substrate, a magnetic field is appl ied to the mixture and a value mineral is thereby separated from a non- valu e mineral.