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US 2008/0164140 A1Published application
Process for the removal of impurities from carbonate minerals
AssigneeCytec Technology Corp.
InventorsSathanjheri A. Ravishankar, Josanlet C. Villegas, Bing Wang
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Abstract
A process for the beneficiation of carbonate mineral substrates by magnetic separation is defined herein wherein a phosphorus or nitrogen containing organic compound or reagent and a plurality of magnetic particles are intermixed with a carbonate containing mineral substrate, a magnetic field is applied to the mixture and a value mineral is thereby separated from a non-value mineral.
Claims21
A process for the beneficiation of carbonate mineral substrates by magnetic separation, comprising:
- intermixing a carbonate-containing mineral substrate, a plurality of magnetic microparticles and a reagent of formula I or formula 11 to form a mixture;
- R1R2R3M (I)
- R1R2R3R4M+X− (II)
- where M is N or P, X is an anionic counterion, and each of R1, R2, R3 and R4, is selected from H or an organic moiety containing from about 1 to about 50 carbons or in which at least two of the R1, R2, R3, and R4 groups form a ring structure containing from 1-50 carbon atoms,
- wherein at least one of the R1, R2, R3 and R4 groups must be an organic moiety containing from about 1 to about 50 carbons or wherein at least two of the R1, R2, R3 and R4 groups together form a ring structure containing from 1-50 carbon atoms;
- and
- applying a magnetic field to the mixture to thereby separate a value mineral from a non-value mineral.
4 more elements
Dependencies are inferred from the claim text.