TRANSIENT-RESPONSE STUDIES OF C-4 HYDROCARBON OXIDATION OVER MNMOO4/MOO3 CATALYSTS

被引：17

作者：

OZKAN, U

MOCTEZUMA, E

DRISCOLL, SA

机构：

[1] Department of Chemical Engineering, The Ohio State University, Columbus

来源：

APPLIED CATALYSIS | 1990年 / 58卷 / 02期

关键词：

D O I：

10.1016/S0166-9834(00)82298-8

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Transient oxidation of C4 hydrocarbons was studied using the pulse technique over a two-phase catalyst (MnMoO4/MoO3) and its pure phase constituents, MoO3 and MnMoO4. The role of lattice and gas-phase oxygen was examined in the oxidation of 1-butene, 1,3-butadiene, furan, and maleic anhydride using oxygen-free and oxygen-abundant mixtures. The results confirmed the synergy previously observed between the two phases of the MnMoO4/MoO3 catalyst and suggested a catalytic job distribution where oxygen from the MoO3 lattice was incorporated to the hydro-carbon molecule and the MoO3 sites were regenerated through an oxygen spillover mechanism from the MnMoO4 phase. © 1990.

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页码：305 / 318

页数：14

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