Production of hydrogen peroxide
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United States of America Patent
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Jul 20, 1999
Issued Date -
N/A
app pub date -
Oct 28, 1998
filing date -
Jan 21, 1992
priority date (Note) -
Expired
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Abstract
The invention relates to hydrogen peroxide manufacture, and catalyst therefor, by direct oxidation of hydrogen with oxygen in an acidic aqueous medium. The catalyst includes a Group VIII metal on a partially hydrophobic, partially hydrophillic support, such as Pd on fluorinated carbon. Improvements in H.sub.2 O.sub.2 selectivity and catalyst stability are achieved by adding a source of sodium and chloride ions to the reaction medium and, in the case of a fluorinated carbon support, adding a source of fluoride ions.
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