摘要 |
<p>The biological sewage treatment assembly, with a multi-chamber basin with dividing walls, has at least one primary settling chamber with activated sludge and at least one settling chamber. A pump (14) transports and treats the sewage, with a distributor (16) to separate the pumped sewage into at least one main flow and at least one side flow through a main channel (18) and a side channel (20). A valve has a ball (30) moving between valve seats (26,28).</p> |