DEWATERING METHOD OF SLUDGE

DEWATERING METHOD OF SLUDGE

PROBLEM TO BE SOLVED: To provide a method for effectively dewatering various sludge, especially difficult-to-dewater sludge by solving many problems originating from usage of an inorganic flocculant in a method using the combination of an inorganic flocculant and an organic polymer flocculant, espec...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: KOBAYASHI TSUKASA, FUJISHIMA YUZO
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method for effectively dewatering various sludge, especially difficult-to-dewater sludge by solving many problems originating from usage of an inorganic flocculant in a method using the combination of an inorganic flocculant and an organic polymer flocculant, especially amphoteric polymer flocculant although the method effectively works on the treatment of organic, highly difficult-to-dewater sludge. SOLUTION: In the dewatering method of sludge, a dicyandiamide flocculant and an amphoteric polymer flocculant, or a cationic polymer flocculant and an anionic polymer flocculant as a substitute for the amphoteric polymer flocculant are sequentially or simultaneously added to the sludge and dewatered. Accordingly, the various sludge, especially the difficult to dewater sludge is efficiently treated. COPYRIGHT: (C)2005,JPO&NCIPI