| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an anaerobic digester which can perform sufficient agitation by installing an agitation device, such as a pump, in a tank, and enables easy maintenance. <P>SOLUTION: In the anaerobic digester for treating sewage and waste introduced into an anaerobic digestion tank body 10 by methane fermentation, water passages 19a, 19b connected to a liquid layer 14 is formed in the anaerobic digestion tank body 10 so as to be separated from a gas layer 15, and agitation devices 18a, 18b are installed so as to be freely put in and out of the water passages 19a, 19b. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
