Catalytic activity of iron hydroxides and manganese hydroxides in the deoxygenation of water

Catalysts prepared by the modification of FIBAN K-4 and FIBAN X-1 fibrous ion exchangers with the hydroxides of iron and manganese were developed and tested in a water deoxygenation process. It was established that the samples obtained by the supporting of Fe(III) hydroxide onto the FIBAN X-1 amphol...

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Bibliographic Details
Published in:Kinetics and catalysis 2017-05, Vol.58 (3), p.262-270
Main Authors: Egiazarov, Yu. G., Volodin, A. Yu, Potapova, L. L., Cherches, B. Kh
Format: Article
Language:English
Subjects:
Catalysis
Catalytic activity
Chemistry
Chemistry and Materials Science
Deoxygenation
Hydroxides
Ion exchangers
Iron
Manganese
Physical Chemistry
Spinel
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Summary:Catalysts prepared by the modification of FIBAN K-4 and FIBAN X-1 fibrous ion exchangers with the hydroxides of iron and manganese were developed and tested in a water deoxygenation process. It was established that the samples obtained by the supporting of Fe(III) hydroxide onto the FIBAN X-1 ampholyte were most effective. The conclusion that the high activity of the catalytic system is caused by the formation of a mixed phase of Fe(II) and Fe(III) hydroxides of the spinel type containing mobile (weakly bound) lattice oxygen was made. A reaction scheme was proposed to explain the reaction mechanism.
ISSN:0023-1584
1608-3210
DOI:10.1134/S0023158417030065