| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a denitrification device capable of preventing the damage of a catalyst and provided with a simply structured soot removing device. <P>SOLUTION: In the denitrification device 10A comprising a catalytic honeycomb layer to remove nitrogen oxides in a combustion exhaust gas by a reaction of the combustion exhaust gas introduced into a can 11 with ammonia or the like sprayed at a can inlet, the catalyst 12 is arranged in a plurality of stages with a prescribed interval in the can 11 and a sound source 20 using a compressed fluid for radiating sound toward the space 13 formed between each stage of the catalyst 12 is provided. <P>COPYRIGHT: (C)2010,JPO&INPIT |
