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- W2384152303 abstract "Alkaline earth metal oxides exhibit basic properties as H 2 O, CO 2 , and O 2 are removed from the surfaces by pretreatment at high temperatures, and become active for several types of reactions. The types of reactions for which alkaline earth metal oxides are catalysts include isomerization of alkenes and unsaturated compounds containing hetero atoms, amination and hydrogenation of conjugated dienes, hydrogenation of CO and H-D exchanges between CH 4 and D 2 and between d 0 -butene and d 8 -butene. The reaction mechanisms for the reactions catalyzed by alkaline earth metal oxides are elucidated on the basis of tracer experiments. Anionic intermediates are involved in all these reactions. Variations of activities with pretreatment temperature depend upon the types of reactions. The active sites for isomerization, for exchange, and for hydrogenation appears successively on increasing the pretreatment temperature. The structures of three types of active sites are discussed in conjunction with the surface model of MgO proposed by Coluccia and Tench (ref.1)." @default.
- W2384152303 created "2016-06-24" @default.
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- W2384152303 date "1986-02-11" @default.
- W2384152303 modified "2023-09-23" @default.
- W2384152303 title "ChemInform Abstract: Catalysis by Alkaline Earth Metal Oxides" @default.
- W2384152303 cites W4248899607 @default.
- W2384152303 doi "https://doi.org/10.1002/chin.198606348" @default.
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