Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1998-12-11
1999-10-12
Trinh, Ba K.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
549523, 502243, 502344, C07D30110, B01J 2108, B01J 2366
Patent
active
059657545
ABSTRACT:
A process and catalyst for the direct oxidation of an olefin having three or more carbon atoms, such as propylene, by oxygen to an olefin oxide, such as propylene oxide. The process involves contacting the olefin with oxygen under reaction conditions in the presence of hydrogen and a catalyst. The catalyst comprises gold on a support of titanium dispersed on silica. The titanium phase is disorganized and substantially free of crystalline titanium dioxide, as determined by analytical methods, such as, high resolution transmission electron microscopy and Raman spectroscopy. Selectivity to olefin oxide is high at good conversions of the olefin. The time between catalyst regenerations is long, and the catalyst is readily regenerated.
REFERENCES:
patent: 4391756 (1983-07-01), Kuch et al.
patent: 4839327 (1989-06-01), Haruta et al.
patent: 5008414 (1991-04-01), Ramachandran et al.
Haruta, Masatake, "Catalysis of Ultra-fine Gold Particles Deposited on Metal Oxides", Workshop on Environmental Catalysis: The Role of 1B Metals, Ikeda, Osaka, Japan (Nov. 2-3, 1995) pp. 109-118.
Hayashi, Toshio et al., "Selective Partical Oxidation of Hydrocarbons over Au/TiO.sub.2 Catalysts", Symposium on Heterogeneous Hydrocarbon Oxidation Presented before the Division of Petroleum Chemistry, Inc., 211.sup.th National Meeting, American Chemical Society, New Orleans, LA (Mar. 24-29, 1996) pp. 71-74.
Kalvachev, Yuri A. et al., "Selective Partial Oxidation of Propylene to Propylene Oxide on Au/Ti-MCM Catalysts in the Presence of Hydrogen and Oxygen", 3.sup.rd World Congress on Oxidation Catalysis, R. K. Grasselli et al. (Editors), Elsevier Science B.V. (Pub.) (Sep. 24, 1997) pp. 965-972 .
Bare Simon R.
Bowman Robert G.
Clark Howard W.
Hartwell George E.
Maj Joseph J.
The Dow Chemical Company
Treangen John B.
Trinh Ba K.
Zuckerman Marie F.
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