Method of catalystless denitrification for fluidized bed inciner

Details Method of catalystless denitrification for fluidized bed inciner Method of catalystless denitrification for fluidized bed inciner

1986-12-16

1987-11-24

Yuen, Henry C.

Furnaces

Refuse incinerator

Refuse suspended in or supported by a fluid medium

110347, 122 4D, F23D 100, F23G 500

Patent

active

047080671

ABSTRACT:
A method of catalystless denitrification for a fluidized bed incinerator to remove NOx generated in burning refuse such as municipal wastes as the refuse is fluidized in a fluidized bed incinerator is disclosed. The refuse is fluidized together with fluidizing medium such as sand along with primary air, and is thermally decomposed and/or burned. The combustible gases generated by pyrolysis are burned with the secondary air blown into the incinerator in a lattice work arrangement. A denitrification agent is mixed in a part of the secondary air, and the NOx present in the combustion gas is removed without using catalysts.

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