MECHANICAL DEWATERING PROCESS

MECHANICAL DEWATERING PROCESS

MECHANICAL DEWATERING PROCESS A process for mechanically dewatering fibrous organic waste such as sewage sludge. The undewatered waste is passed into the first end of a cylindrical dewatering zone having a porous outer wall. A helical blade rotated within the dewatering zone pressurizes the waste an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: MAFFET, VERE
Format: Patent
Sprache:eng ; fre
Schlagworte:
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PRESSES
PRESSES IN GENERAL
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:MECHANICAL DEWATERING PROCESS A process for mechanically dewatering fibrous organic waste such as sewage sludge. The undewatered waste is passed into the first end of a cylindrical dewatering zone having a porous outer wall. A helical blade rotated within the dewatering zone pressurizes the waste and moves it to the outlet at the second end of the dewatering zone. A filter media comprising a cylindrical substantially unagitated layer of fibrous material derived from the waste is retained within an annular space located between the outer edge of the helical blade and the inner surface of the porous wall.