| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To improve the treatment efficiency of sewage by recovering a cleaning liquid from the sewage and treating the sewage at a time as soon as possible. <P>SOLUTION: The sewage treatment system is provided with a plurality of toilet bowls B receiving sewage E such as urine, excrement and toilet paper and draining the cleaning liquid comprising a fluid of which the phase separation can be performed and of which the specific gravity is different from the sewage E cleaned by draining the sewage E, a separation tank 25 collecting mixed discharge materials comprising the sewage E and the cleaning liquid discharged from the toilet bowls B and performing the specific gravity separation of the mixed discharge materials into the sewage E and the cleaning liquid, a cleaning liquid recovering device 30 recovering the cleaning liquid separated in the separation tank 25, and a solid/liquid separation device 40 separating the sewage separated in the separation tank 25 into a solid and a liquid. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
