Scale-up of the Solution Combustion Synthesis of Iron Oxides with the Addition of the Inactive Component FeOx

The solution combustion synthesis of iron oxides from nitrate solutions with a dual fuel comprising urea and citric acid on the earlier synthesized FeO x powder was studied. The possibility of the synthesis of up to 100 g of the desired product under laboratory conditions in a relatively small (4 dm...

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Bibliographic Details
Published in:Doklady. Physical chemistry (1991) 2021-05, Vol.498 (1), p.54-59
Main Authors: Khaliullin, Sh. M., Murzakaev, A. M., Zhuravlev, V. D., Russkikh, O. V., Bamburov, V. G.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Citric acid
Combustion synthesis
Crystallization
Ferric oxide
Iron oxides
Nuclear fuels
Oxides
Physical Chemistry
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Summary:The solution combustion synthesis of iron oxides from nitrate solutions with a dual fuel comprising urea and citric acid on the earlier synthesized FeO x powder was studied. The possibility of the synthesis of up to 100 g of the desired product under laboratory conditions in a relatively small (4 dm 3 ) reactor was demonstrated for the first time. The obtained nanodisperse materials were a well-crystallized mixture of Fe 3 O 4 and α-Fe 2 O 3 oxides. A consistent increase in the weight of the FeO x powder led to an increase in the mass fraction of the α-Fe 2 O 3 phase to 91% at the final stage of the synthesis.
ISSN:0012-5016
1608-3121
DOI:10.1134/S001250162105002X