| 摘要 |
A waste water treatment system comprises a plurality of screens presenting descending flow surfaces and means defining a flow conduit for waste water or sewage arranged below the upper limits of said flow surfaces. The construction of the flow conduit is such to induce an upflow of the waste water by way of openings therein which are constantly open to means which direct the waste water to the upper ends of said screens in a manner to provide a substantially equal volumetric flow to and over each of said screens.
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