Catalyst for oxidizing SO2 to SO3 and utilization of the catalyst in a method for producing sulfuric acid
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United States of America Patent
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Dec 31, 2002
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N/A
app pub date -
Oct 12, 2000
filing date -
Jan 13, 1998
priority date (Note) -
Expired
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Abstract
A catalyst for reacting SO.sub.2 with molecular oxygen to form SO.sub.3 is suited for a continuous operation at temperatures of 700.degree. C. and above, when the same consists of a carrier and an active component connected with the carrier, the active component consists of 10 to 80 wt-% iron, the carrier has a BET surface of 100 to 2000 m.sup.2 /g and an SiO.sub.2 content of at least 90 wt-%, and the weight ratio carrier:active component is 1:1 to 100:1.
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