Preparation of Brown Iron Oxide from Secondary Raw Material

Preparation of Brown Iron Oxide from Secondary Raw Material

The preparation of inorganic brown pigment from red mud is investigated. The results of the phase and chemical analyses of raw material and the product are given. A flow diagram is proposed and the parameters of the pigment production are recommended. This approach has provided a pigment of pure col...

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Veröffentlicht in:Theoretical foundations of chemical engineering 2018-07, Vol.52 (4), p.696-700
Hauptverfasser: Rukhlyadeva, M. S., Nikonenko, E. A., Ismagilova, G. V., Kolesnikova, M. P.
Format: Artikel
Sprache:eng
Schlagworte:
Additives
Chemistry
Chemistry and Materials Science
Industrial Chemistry/Chemical Engineering
Iron oxides
Organic chemistry
Raw materials
Red mud
Selected Articles from the Journal Khimicheskaya Tekhnologiya
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Beschreibung
Zusammenfassung:The preparation of inorganic brown pigment from red mud is investigated. The results of the phase and chemical analyses of raw material and the product are given. A flow diagram is proposed and the parameters of the pigment production are recommended. This approach has provided a pigment of pure color with the opacity of 8 to 10 g m –2 from red mud (up to 80%) without additives and the reduction of Fe(III) into Fe(II) using sulfide sulfur.
ISSN:0040-5795
1608-3431
DOI:10.1134/S0040579518040255