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Digitale Medien

TG Study of the Dispersion Threshold of Mn2O3 on γ-Al2O3 (1999)

Liu, J. ; Xu, H. ; Shen, W. ; [weitere]

Springer

Journal of thermal analysis and calorimetry 58 (1999), S. 309-315

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ISSN: 1572-8943

Schlagwort(e): dispersion threshold value ; Mn2O3/γ-Al2O3 catalyst ; TG

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Abstract Mn2O3/γ-Al2O3 catalysts were prepared by the impregnation method, and the maximum monolayer dispersion capacity or dispersion threshold value of Mn2O3 on the surface of γ-Al2O3 was determined to be 13.08% from the decomposition mass loss of supported Mn(NO3)2 in the monolayer state. This was compared with the values estimated from a close-packed monolayer model and an interaction model. It was confirmed that the high activities and selectivities of the catalysts for benzoic acid hydrogenation to benzaldehyde are due to the monolayer dispersion of the Mn2O3 on the surface of γ-Al2O3.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1023/A:1010103218323

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