Preparation of Brown Iron Oxide from Secondary Raw Material

M. S. Rukhlyadeva; E. A. Nikonenko; G. V. Ismagilova; M. P. Kolesnikova

doi:10.1134/S0040579518040255

Preparation of Brown Iron Oxide from Secondary Raw Material

Autores: Rukhlyadeva M.S.¹, Nikonenko E.A.¹, Ismagilova G.V.¹, Kolesnikova M.P.²
Afiliações:
1. Yeltsin Ural Federal University
2. Ural Institute of Economics
Edição: Volume 52, Nº 4 (2018)
Páginas: 696-700
Seção: Selected Articles from the Journal Khimicheskaya Tekhnologiya
URL: https://ogarev-online.ru/0040-5795/article/view/172367
DOI: https://doi.org/10.1134/S0040579518040255
ID: 172367

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Resumo

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.