Oxydehydrogenation of alcohols

Details Oxydehydrogenation of alcohols Oxydehydrogenation of alcohols

1974-01-11

1980-08-19

Morgenstern, Norman

Harvesters

568471, 568320, 568431, 568432, C07C 4516

Patent

active

042184010

ABSTRACT:
Primary and secondary alcohols are oxidized to aldehydes and ketones, respectively, by passing a gaseous mixture of the alcohol and oxygen (air) over a supported catalyst of Ru, Rh, Pd, Pt, Ir or Os. The catalyst is improved by admixture with a tin compound. The support for the catalyst is preferably alumina, silicon carbide or other inert material having a low surface to weight ratio. Preferred conditions are atmospheric pressure, about 250.degree.-500.degree. C. and a space velocity of 1000-4000/hr. Preferred alcohols are isopropanol, 1-methoxy-2-propanol and ethanol.

REFERENCES:
patent: 3080426 (1963-03-01), Kirshenbaum et al.
patent: 3875239 (1975-04-01), Stoulhamer et al.
Charman, H. B., J. Chem. Soc. (B), 1967, pp. 629-632.
Faith et al. Industrial Chemicals, 2nd Edition, John Wiley & Sons, Inc., N.Y. (1957) pp. 2, 3, 27, 28, 517.

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