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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Published inDoklady. Physical chemistry (1991) Vol. 498; no. 1; pp. 54 - 59
Main Authors Khaliullin, Sh. M., Murzakaev, A. M., Zhuravlev, V. D., Russkikh, O. V., Bamburov, V. G.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.05.2021
Springer Nature B.V
Subjects
Chemistry
Chemistry and Materials Science
Citric acid
Combustion synthesis
Crystallization
Ferric oxide
Iron oxides
Nuclear fuels
Oxides
Physical Chemistry
FeO
SCS with ICS elements
maximum temperature
Fe
O
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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