Reburn process

Details Reburn process Reburn process

1997-07-30

1999-08-17

Lazarus, Ira S.

Furnaces

Process

Treating fuel constituent or combustion product

110344, 110346, 110347, 110348, 110165A, F23J 300, F23G 514, F23L 700

Patent

active

059377720

ABSTRACT:
A process and apparatus for combustion in which a combustible material is introduced into a combustion chamber and oxidant is supplied to the combustion chamber. The combustible material is burned, and forming a primary combustion zone. A mixture of flue gases and flyash having an organic content is injected into the combustion chamber downstream of the primary combustion zone to create an oxygen-deficient reburn zone, thereby lowering the temperature of combustion, reducing the NO.sub.x content of the flue gases, and reducing the potential for NO.sub.x formation in a tertiary oxidizing combustion zone disposed downstream of the oxygen-deficient reburn zone.

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