| 摘要 |
<p>PURPOSE:To provide a sewage treating device and equipment capable of efficiently treating sewage with a small-sized equipment. CONSTITUTION:An air-permeable cylindrical vessel 2, a porous material 13 set in the vessel 2 and in which aerobic bacteria are implanted and a means for passing the sewage through the material 13 are provided. Air is circulated through the porous material 13 through a hose 12 to activate the bacteria, and the sewage is purified.</p> |
