| 摘要 |
A method of removing nitrogen oxides from waste gas exhausted from a heat power plant and any other various kinds of workshops, etc. is disclosed. The method comprises bringing the waste gas into contact with a honeycomb-shaped catalyst under the following three conditions, i.e. (1) a hydraulic diameter of each of the channels extending through the honeycomb-shaped catalyst is larger than 2.0 mm, preferably 2.0 mm to 30 mm, (2) an open frontal area is larger than 50%, preferably 50% to 80%, and (3) a waste gas speed is higher than 0.5 m/sec, preferably 0.5 m/sec to 60 m/sec. |
