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IR studies of Re2O7 metathesis catalysts supported on alumina and phosphated alumina (1991)

Sibeijn, M. ; Spronk, R. ; Veen, J. A. R. ; [et al.]

Springer

Catalysis letters 8 (1991), S. 201-208

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ISSN: 1572-879X

Keywords: Metathesis ; infrared ; surface hydroxyl groups ; rhenium oxide ; alumina ; phosphated alumina

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Abstract FTIR data from Re2O7/γ-Al2O3 metathesis catalysts indicate that a low Re contents ReO4 ions have predominantly reacted with basic surface OH groups, while at higher Re2O7 loadings they have also reacted with neutral and more acidic OH groups. On phosphated γ-Al2O3 the phosphate has reacted with the more acidic OH groups on the γ-Al2O3; in catalysts based on this support, the ReO4 − ions have also reacted with the phosphorus-bonded OH groups already at low Re2O7 loadings, resulting in more active catalysts.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00764117

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