| 摘要 |
<p>PURPOSE:To use an deodorant for a long period of time by feeding malodorous gas to humus deodorant packed beds A, B in plural stages in series to deodorize it, renewing time packed bed A of the 1st stage when its deodorizing efficiency is lowered and feeding the odorous gas from the 2nd packed bed B using the renewed packed bed A as the final stage in series to deodorize it. CONSTITUTION:Humus deodorant packed bed A, B are installed in plural stages and odorous gas is fed to the packed beds A, B in series to deodorize it. The packed bed A of the 1st stage is renewed when its deodorizing efficiency is lowered and the odorous gas is fed from the 2nd packed bed B using the renewed packed bed A as the final stage in series to deodorize it. As a result, the deodorant is used for a long period of time by using the performance properties of the humus deodorant.</p> |
