Relationship between the structure of manganese oxides on alumina and catalytic activities for benzene oxidation with ozone

Hisahiro Einaga; Masafumi Harada; Atsushi Ogata

doi:10.1007/s10562-008-9814-9

Relationship between the structure of manganese oxides on alumina and catalytic activities for benzene oxidation with ozone

Hisahiro Einaga, Masafumi Harada, Atsushi Ogata

Functional Materials Science

Research output: Contribution to journal › Article › peer-review

36 Citations (Scopus)

Abstract

Catalytic oxidation of benzene with ozone was carried out over alumina-supported manganese oxides. Manganese oxides was highly dispersed on alumina at low loading levels (Mn <2.5 wt%) and aggregated Mn ₃O₄ crystallites were formed at the high loading levels (>7.5 wt%). Both the Mn oxide species were active for benzene oxidation with ozone, and the former showed slightly higher activities. TPO studies of used catalysts revealed that the oxidation behavior of benzene was not so much influenced by the Mn loadings.

Original language	English
Pages (from-to)	422-427
Number of pages	6
Journal	Catalysis Letters
Volume	129
Issue number	3-4
DOIs	https://doi.org/10.1007/s10562-008-9814-9
Publication status	Published - May 2009

All Science Journal Classification (ASJC) codes

Catalysis
Chemistry(all)

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abstract = "Catalytic oxidation of benzene with ozone was carried out over alumina-supported manganese oxides. Manganese oxides was highly dispersed on alumina at low loading levels (Mn <2.5 wt%) and aggregated Mn 3O4 crystallites were formed at the high loading levels (>7.5 wt%). Both the Mn oxide species were active for benzene oxidation with ozone, and the former showed slightly higher activities. TPO studies of used catalysts revealed that the oxidation behavior of benzene was not so much influenced by the Mn loadings.",

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AB - Catalytic oxidation of benzene with ozone was carried out over alumina-supported manganese oxides. Manganese oxides was highly dispersed on alumina at low loading levels (Mn <2.5 wt%) and aggregated Mn 3O4 crystallites were formed at the high loading levels (>7.5 wt%). Both the Mn oxide species were active for benzene oxidation with ozone, and the former showed slightly higher activities. TPO studies of used catalysts revealed that the oxidation behavior of benzene was not so much influenced by the Mn loadings.

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Relationship between the structure of manganese oxides on alumina and catalytic activities for benzene oxidation with ozone

Abstract

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