Catalytic sulfur trioxide flue gas conditioning
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United States of America Patent
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Dec 10, 1996
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N/A
app pub date -
Jul 5, 1994
filing date -
Jul 5, 1994
priority date (Note) -
Expired
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Abstract
A method and apparatus for the selective control of the sulfur trioxide concentration in flue gases, to enhance the ash removal efficiency of electrostatic precipitators, which includes supporting a catalyst in the path of the flue gas, positioning temperature modifying means in communication with the catalyst, passing the flue gas by the catalyst and selectively varying the temperature of the catalyst, with the temperature modifying means, to vary the amount of catalytic conversion of SO.sub.2 in the flue gas to SO.sub.3.
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