| 摘要 |
<p>A decanter of a slurry bed type, in which the water to be treated, after flocculation, is subjected to a rapid, rising recirculation through the slurry bed, comprises at its base two concentric tanks, of which the central tank contains the starting slurry and the surrounding tank ensures the thickening of the slurry bed, the slurry bed reaching a presettable level above the two slurry tanks in the decanter.</p> |
| 申请人 |
DEGREMONT, RUEIL-MALMAISON, SEINE-ET-OISE, FR |
发明人 |
BERNE, FRANCOIS, SURESNES, FR |
