PROCEDURE AND PLANT TO REDUCE NOX CONTENT IN THE ROOF GAS BY FUELING WITH FOSSILE FUELS IN A LIFE PLANT

摘要

A method and apparatus for reducing the NOx content of hot stack (exhaust) gas produced by a furnace burning a fossil fuel, comprising recycling part of said NOx-containing stack gas, in admixture with cold fresh air, back into the combustion chamber of the furnace.