Process of removing nitrogen oxides from flue gases from a fluidized catalytic cracking unit
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United States of America Patent
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Apr 22, 2003
Grant Date -
Jun 6, 2002
app pub date -
Dec 6, 2000
filing date -
Dec 6, 2000
priority date (Note) -
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Abstract
A process for removing nitrogen oxides from flue gases of a fluidized catalytic cracking unit wherein the flue gas is introduced into a tertiary cyclone with percentages of separated solids being discharged in both the overflow and underflow from the cyclone, treating the overflow in a catalytic reduction unit to form an outlet gas and treating the underflow and outlet gas in a wet scrubber.
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