Process for manufacturing a carbon catalyst
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United States of America Patent
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Nov 12, 1991
Grant Date -
N/A
app pub date -
Oct 24, 1989
filing date -
Mar 28, 1987
priority date (Note) -
Expired
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Abstract
A process for manufacturing a carbon catalyst for use in NO.sub.x reduction with ammonia catalyzed by active carbons and active cokes is described. The new carbon catalyst exhibits improved catalytic activity and hence a higher yield in NO. In the manufacturing process, a mixture of ground, oxidized hard coal and binders is moulded, carbonized at temperatures between 700.degree. and 900.degree. C., and then activated with steam at a temperature of 800.degree. to 850.degree. C. for 45 to 100 minutes, until a degree of activation of 5 to 15% is obtained.
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