Catalyst for producing 1,4-naphthoquinone
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United States of America Patent
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Jun 20, 1989
Issued Date -
N/A
app pub date -
Mar 16, 1988
filing date -
Sep 5, 1979
priority date (Note) -
Expired
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Abstract
A process for producing 1,4-naphthoquinone by oxidizing naphthalene with molecular oxygen in a vapor phase in the presence of a catalyst. The catalyst is made of a mixture of a carrier and fusible catalytic components including vanadium oxide and alkali metal sulfate and pyrosulfate, and has a molded configuration having one or more through-holes.
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