HUT42116A - Process for preparing iron oxide pigment
- Google Patents
Process for preparing iron oxide pigment
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Publication number
HUT42116A
HUT42116AHU486785AHU486785AHUT42116AHU T42116 AHUT42116 AHU T42116AHU 486785 AHU486785 AHU 486785AHU 486785 AHU486785 AHU 486785AHU T42116 AHUT42116 AHU T42116A
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Publication date
Application filed by Janos Szerecz, Ferenc Janaszik, Bela LengyelfiledCriticalJanos Szerecz
Priority to HU486785ApriorityCriticalpatent/HU202899B/en
Publication of HUT42116ApublicationCriticalpatent/HUT42116A/en
Publication of HU202899BpublicationCriticalpatent/HU202899B/en
Iron-oxide pigments are prepd. from suitable ores, minerals, industrial byproducts and wastes. Starting materials are ground and brought into a previously acid washed, suspension. To this aq. salt soln. of alkaline earth metals, zinc, aluminium and iron are added and the pH is adjusted to 6.5-7.5. Pigment granules are surface treated to render them organophilic, are filtered, washed, and dried.
HU486785A1985-12-191985-12-19Process for producing iron-oxide pigment from red mud
HU202899B
(en)