| 摘要 |
<p>PROBLEM TO BE SOLVED: To make a clogged carrier easily replacible with a new carrier. SOLUTION: In the septic equipment in which a septic tank 1 and the carrier 11 which is housed in the tank 1 and carries microorganisms are provided, and sewage is cleaned by the cleaning capacity of the microorganisms by being passed through the carrier 11, the carrier 11 is packed in a container 90 which can be inserted/removed freely into/from the cleaning tank 1.</p> |
