Effect of Calcium-Containing Additions on the Extraction of Alumina from the Red Mud of Alumina Production

S. A. Bibanaeva; V. N. Koryukov; V. M. Skachkov; N. A. Sabirzyanov; V. M. Ufimtsev; E. M. Lebedeva

doi:10.1134/S003602951902006X

Effect of Calcium-Containing Additions on the Extraction of Alumina from the Red Mud of Alumina Production

Autores: Bibanaeva S.¹, Koryukov V.², Skachkov V.¹, Sabirzyanov N.¹, Ufimtsev V.², Lebedeva E.¹
Afiliações:
1. Institute of Solid-State Chemistry, Ural Branch, Russian Academy of Sciences
2. Ural Federal University
Edição: Volume 2019, Nº 2 (2019)
Páginas: 122-123
Seção: Article
URL: https://journals.rcsi.science/0036-0295/article/view/172926
DOI: https://doi.org/10.1134/S003602951902006X
ID: 172926

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The influence of calcium-containing reagents on the high-temperature autoclave extraction of alumina from the red mud formed from the Timan deposit bauxites by the parallel Bayer sintering method is experimentally studied. The phase composition of the interaction products is determined by XRD and EDXR. The extraction of alumina from the red mud is shown to be higher when surface-carbonized lime is used in the process.