PREPARATION OF RED IRON OXIDE PIGMENT

The present invention relates to an improved process for producing iron oxide red pigments by the Penniman process using nitrate (also referred to as nitrate process or direct red process) and apparatuses for carrying out the process.

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Bibliographic Details
Main Authors HOLTMANN, Udo, CZAPLIK, Waldemar
Format Patent
LanguageEnglish
French
German
Published 16.01.2019
Subjects
ADHESIVES
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
DYES
INORGANIC CHEMISTRY
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
POLISHES
PREPARATION OF CARBON BLACK
THEIR RELEVANT APPARATUS
TRANSPORTING
TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Summary:The present invention relates to an improved process for producing iron oxide red pigments by the Penniman process using nitrate (also referred to as nitrate process or direct red process) and apparatuses for carrying out the process.
Bibliography:Application Number: EP20170708545