B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
259/52
B01F 7/08 (2006.01) B01D 21/24 (2006.01) B30B 9/12 (2006.01)
Patent
CA 1204734
IMPROVED SCREW DRIVEN THICKENERS ABSTRACT OF THE DISCLOSURE An apparatus is provided for thickening a suspension of solid particles in a liquid, such as a sludge which may be flocculated, comprising a rotary endless screw extending longitudinally in a cylindrical enclosure provided with at least one inlet for the suspension to be thickened, an outlet for the thickened suspension situated in the vicinity of the front end of the screw and at least one outlet for the thickening liquid, wherein all or part of the threads of the endless screw have, at least on the thrust face, a high friction coefficient.
446379
Morawek Robert
Treyssac Georges
Fetherstonhaugh & Co.
Societe Anonyme D'etudes de Recherches Et de Productions D'agents Chimiques-E.r.p.a.c.
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