MAGNETIC SEPARATION TO IMPROVE PURITY OF IRON OXIDE PIGMENTS

MAGNETIC SEPARATION TO IMPROVE PURITY OF IRON OXIDE PIGMENTS A process for increasing the color purity of iron oxide pigment particles admixed with colormodifying impurities and obtained by the Penniman process or the aniline process, comprising introducing the particles into a magnetic field, and r...

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Bibliographic Details
Main Authors KIEMLE, PETER, PFLUGMACHER, INGO, RAMBOLD, WOLFGANG, HUND, FRANZ
Format Patent
LanguageEnglish
French
Published 13.11.1984
Edition3
Subjects
ADHESIVES
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
COMPOUNDS THEREOF
DYES
INORGANIC CHEMISTRY
MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS
MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-METALLIC ELEMENTS
PAINTS
PERFORMING OPERATIONS
POLISHES
PREPARATION OF CARBON BLACK
SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS
TRANSPORTING
TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Summary:MAGNETIC SEPARATION TO IMPROVE PURITY OF IRON OXIDE PIGMENTS A process for increasing the color purity of iron oxide pigment particles admixed with colormodifying impurities and obtained by the Penniman process or the aniline process, comprising introducing the particles into a magnetic field, and removing from the magnetic field two fractions of different magnetizability, the first fraction being iron oxide pigment particles of increased color purity and the second fraction being enriched in impurities. Le A 20 443
Bibliography:Application Number: CA19810379989