| 摘要 |
<p>PURPOSE:To remove simultaneously NOx and/or SOx as a solid product by irradiating ionizing radiation to a waste gas which is added with ozone and an alkaline substance beforehand. CONSTITUTION:The waste gas contg. NOx and/or SOx is introduced into a reactor 4 from a discharge source 1, and irradiated with an electron beam from an electron beam irradiating apparatus 3 arranged in an irradiation chamber 2. A strongly oxidizing active seed is formed therein, and NOx and SOx are oxidized by the active seed finally to nitric acid and sulfuric acid mists which are collected by a dust collector 7. At this time, oxidation can be promoted by adding O3 from an ozone adding port 5 provided on this side of an inlet of the irradiation chamber. The radical formation is promoted by adding an alkaline substance such as ammonia, and the formed mists are also neutralized and removed as a solid product.</p> |
