NOx Abatement for Stationary Sources in Jap
In addition, Chubu Electric had promised to install an SCR unit for the No. 4 oil-fired boiler. Flue gas from the new LNG-fired boilers contains only 35-50 ppm of NOX, which is treated by SCR to reduce NOX below 10 ppm. The ammonia content of the flue gas leaving the reactor is kept below 5 ppm.