| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce a treatment time and an installation space by improving the separation efficiency in a solid-liquid separation system. Ž<P>SOLUTION: The solid-liquid separation system includes a flocculant injector 13 for injecting a flocculant, flocculating solids in raw water, into the raw water, a first flocculant aid injector 16 for injecting a flocculant aid for hardening or strengthening flocs generated in the flocculant injected raw water by the flocculant, and a centrifugal separator 18 having a floc forming portion for rotating the flocculant injected raw water in it to aggregate the solids in the raw water into flocs and a solid recovering portion for rotating the raw water at a higher speed than the floc forming portion to separate the flocs from the raw water. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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