Catalytic sulfur trioxide flue gas conditioning
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United States of America Patent
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Jul 23, 1996
Grant Date -
N/A
app pub date -
Jan 20, 1995
filing date -
Jan 20, 1995
priority date (Note) -
Expired
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Abstract
An apparatus for the selective control of the sulfur trioxide concentration in flue gases, to enhance the ash removal efficiency of electrostatic precipitators, which includes: catalytically converting a portion of the sulfur dioxide contained within the flue gas to sulfur trioxide, by passing a portion of such flue gas through at least one catalyst containing converter module which is positioned within such a flue gas stream; and selectively varying the quantity of flue gas passing through such module by providing an aspirating force to cause flue gas to be drawn through such a converter module.
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