Correlation between X-ray photoelectron spectroscopy data and catalytic properties in selective oxidation on Sb-Sn-O catalysts

Journal Article · Fri Jun 15 04:00:00 EDT 1979 · J. Catal.; (United States)

DOI:https://doi.org/10.1016/0021-9517(79)90243-4· OSTI ID:6676056

Boudeville, Y; Figueras, F; Forissier, M; Portefaix, J L; Vedrine, J C

A detailed ESCA study of tin-antimony mixed oxides containing 1.5-39.7 atom Vertical Bar3< antimony and calcined at 500/sup 0/-1100/sup 0/C showed that the surface composition of catalysts containing Vertical Bar3; 5Vertical Bar3< antimony and all catalysts activated at 500/sup 0/C corresponded to the bulk composition and consisted of solid solution of antimony(V) in SnO/sub 2/; and that surface enrichment with antimony (as an Sb/sub 2/O/sub 4/ phase) occurred at higher bulk antimony contents and/or higher calcination temperature. A correlation of the activity of these catalysts for propylene oxidation at low conversion and of their selectivity for acrolein with surface composition suggested that the selective catalyst consists of an Sb/sub 2/O/sub 4/ phase lying on a solid solution of antimony(V) in tin oxide.

• Research Organization: Inst. Rech. Catal., C.N.R.S., Villeurbanne
• OSTI ID: 6676056
• Journal Information: J. Catal.; (United States), Journal Name: J. Catal.; (United States) Vol. 58:1; ISSN JCTLA
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical &amp; Physicochemical Properties
400301 -- Organic Chemistry-- Chemical &amp; Physicochemical Properties-- (-1987)
ALKENES
ANTIMONY COMPOUNDS
ANTIMONY OXIDES
CALCINATION
CATALYSTS
CHALCOGENIDES
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
CORRELATIONS
DECOMPOSITION
HYDROCARBONS
ORGANIC COMPOUNDS
OXIDATION
OXIDES
OXYGEN COMPOUNDS
PROPYLENE
PYROLYSIS
STRUCTURAL CHEMICAL ANALYSIS
SURFACE PROPERTIES
THERMOCHEMICAL PROCESSES
TIN COMPOUNDS
TIN OXIDES