Method for flotation of a silicate-containing iron ore

The invention relates to a method for manufacturing a concentrate enriched in iron mineral content from an ore, which contains an iron mineral and silicate, by a reverse flotation, which method comprises the step of adding a first amine to a prepared aqueous pulp of the ore and optionally one or mor...

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Bibliographic Details
Main Authors MICHAILOVSKI, Alexej, BUDEMBERG, Gabriela, SOBOTKA, Bettina, KIERAT, Radoslaw
Format Patent
LanguageEnglish
Published 13.04.2023
Subjects
DIFFERENTIAL SEDIMENTATION
FLOTATION
MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS
PERFORMING OPERATIONS
SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS
TRANSPORTING
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Summary:The invention relates to a method for manufacturing a concentrate enriched in iron mineral content from an ore, which contains an iron mineral and silicate, by a reverse flotation, which method comprises the step of adding a first amine to a prepared aqueous pulp of the ore and optionally one or more flotation auxiliaries to obtain an aqueous mixture, wherein the first amine (A) is a compound of formula I (I),a salt of a protonated compound of formula I and a first anion or a mixture thereof. A second amine, which is a compound of formula II (II), a salt of a protonated compound of formula II and a second anion or a mixture thereof, can be further added. Furthermore, a specific composition of the first amine (A) and the second amine (B) for a use as a flotation collector is described.
Bibliography:Application Number: AU20210324060