منابع مشابه
Stability of the so-called "Co-Mo-S" phase in a carbon- supported Co-Mo sulfide catalyst at very low Co/Mo ratio
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متن کاملThe surface relaxation and band structure of Mo(112).
The experimental and theoretical surface band structures of Mo(112) are compared. This surface band structure mapping is presented with corrections included for the lattice relaxation of the Mo(112) surface. Quantitative low energy electron diffraction (LEED) has been used to determine the details of the Mo(112) surface structure. The first layer contraction is 14.9% by LEED intensity versus vo...
متن کاملMesostructural Bi-Mo-O catalyst: correct structure leading to high performance
Structure-activity relationship has been one of the main topics of research on catalysts all the time. Component and structure are the two moieties governing the performance of solid materials as catalysts. Multicomponent bismuth molybdates are well known catalysts for propene oxidation but pure crystalline phases of bismuth molybdate are inactive for the reaction. We have designed mesostructur...
متن کاملOptimization of Constituents of (Ni, MO, Cu)/Kieselguhr Catalyst by Response Surface Methodology for Glycerol Production by Hydrogenolysis of Sucrose
Sucrose hydrogenolysis is industrially important for the production of polyols. To provide high glycerol yield under milder reaction conditions, a nickel catalyst promoted by Molybdenum and copper supported on kieselguhr was synthesized and optimized using Response Surface Methodology. A 3X5 experimental design has been adopted to study the effect of these constituents. A linear second-order mo...
متن کاملStructure and properties of a Mo oxide catalyst supported on hollow carbon nanofibers in selective propene oxidation
In situ X-ray absorption spectroscopy (XAS) under reaction conditions of selective propene oxidation was employed to elucidate the local structure of as-prepared and activated molybdenum oxide supported on hollow vapor-grown carbon nanofibers (VGCNF). The local structure of asprepared MoxOy-VGCNF was very similar to that of hexagonal MoO3. During heat treatment in propeneand oxygen-containing a...
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ژورنال
عنوان ژورنال: Hyomen Kagaku
سال: 1990
ISSN: 0388-5321,1881-4743
DOI: 10.1380/jsssj.11.97