| 摘要 |
<p>PURPOSE:To improve cleaning ability by a culture tank of microorganism by laying a specific cleaning device including the culture tank of microorganism in a forced circulation flow channel of liquid in a liquid tank. CONSTITUTION:A liquid force feed means 2 and a culture tank 6 of microorganism are serially set in a forced circulation flow channel for recycling a liquid in a liquid tank 10. A gas fed to water by a gas feed means 4 to the culture tank of microorganism is made fine by a foam lessening means 7 such as wire net to activate multiplication of the microorganism.</p> |
