Oxidation catalysts
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United States of America Patent
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Apr 7, 1998
Grant Date -
N/A
app pub date -
May 24, 1995
filing date -
Dec 3, 1992
priority date (Note) -
Expired
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Abstract
The invention concerns new oxidation catalysts, methods of producing them and their use. These catalysts consist of titanium silicalites crystallized in situ onto activated charcoal or metal oxides. The titanium silicalite content lies preferably in the range of 30 to 60% by wt. The atomic ratio of Si to Ti in the carrier-borne phase is 10 to 100. Such catalysts are particularly suitable for oxidation reactions with H.sub.2 O.sub.2 under mild conditions, such as temperatures of 20.degree. to 120.degree. C. and pressures equal to or higher than atmospheric.
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