Promotion of Supported Sulfated Zirconia Catalysts with Iron and Manganese Sulfates

The effect of iron and manganese additives on the textural characteristics and phase composition of the alumina matrix support was studied for sulfated zirconia catalysts of hexane isomerization. The additives introduced at the stage of plastification of aluminum hydroxide significantly improved the...

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Bibliographic Details
Published in:Catalysis in industry 2021-10, Vol.13 (4), p.361-366
Main Authors: Smolikov, M. D., Bikmetova, L. I., Kazantsev, K. V., Muromtsev, I. V., Belyi, A. S.
Format: Article
Language:English
Subjects:
Additives
Aluminum hydroxide
Aluminum oxide
Catalysis
Catalysis in Chemical and Petrochemical Industry
Catalysts
Chemistry
Chemistry and Materials Science
Hexanes
Iron
Isomerization
Isomers
Manganese
Phase composition
Selectivity
Zirconium dioxide
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Summary:The effect of iron and manganese additives on the textural characteristics and phase composition of the alumina matrix support was studied for sulfated zirconia catalysts of hexane isomerization. The additives introduced at the stage of plastification of aluminum hydroxide significantly improved the catalyst activity (hexane conversion and selectivity of isomerization to hexane isomers). A distinction of the modified catalysts is the formation of acid sites in a ratio of LAS : BAS ≥ 2, which increase the yield of isomers and especially of high-octane 2,2-dimethylbutane.
ISSN:2070-0504
2070-0555
DOI:10.1134/S2070050421040103