| 摘要 |
<p>PURPOSE:To reduce the device cost and running cost by using the device with the simple structure capable of sufficient deodorization. CONSTITUTION:One end of a preceding deodorization tank 2 is connected to an org, waste treating device 1 or to the exhaust port of a composting device, a succeeding deodorization tank 3 is connected to the other end of the tank 2, coffee grounds 11 after extraction are packed in the tank 2 as a microorganism carrier, and the coffee grounds after extraction or charcoal 13 are packed in the tank 3 as a microorganism carrier.</p> |
