Method of removing SO.sub.x and NO.sub.x from effluent gas
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United States of America Patent
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Jun 13, 1989
Grant Date -
N/A
app pub date -
Nov 13, 1987
filing date -
Nov 15, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
For the removal of SO.sub.x and NO.sub.x from effluent gas, the gas, before being passed through a Selective Catalytic Reduction catalyst bed for reduction of at least a part of the nitrogen oxides in the gas, is subjected to at least substantially complete desulfurization in a coke bed. The desulfurized and denoxed gas can also be passed through a coke bed in which the ammonia which has not reacted in the SCR-catalyst bed is removed from the gas.
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