| 摘要 |
<p>Small sewage processing plant has a system (24, 26, 28, 30) to mix the sewage from the solid bed chamber (10) with air, and feed the air/water mixture as a stable bubble flow to a distributor (34) under the solid bed (22). The distributor (34) is structured to deliver the air-water mixture over the whole cross section surface of the solid bed (22).</p> |
