MEMBRANE FILTRATION APPARATUS AND CLEANING METHOD OF PRETREATMENT MEMBRANE OF MEMBRANE FILTRATION APPARATUS

MEMBRANE FILTRATION APPARATUS AND CLEANING METHOD OF PRETREATMENT MEMBRANE OF MEMBRANE FILTRATION APPARATUS

PROBLEM TO BE SOLVED: To provide a membrane filtration apparatus which makes it possible to suppress increase in a facility scale, initial cost and running cost such as power cost and chemical cost, and to provide an operation method of the membrane filtration apparatus.SOLUTION: A membrane filtrati...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: HIRAGA YUKA, ISHIZUKA MIWA, YAMAGATA EIKEN, MATSUSHIRO TAKESHI, SHIIRE HIDETAKE, ARIMURA RYOICHI
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 membrane filtration apparatus which makes it possible to suppress increase in a facility scale, initial cost and running cost such as power cost and chemical cost, and to provide an operation method of the membrane filtration apparatus.SOLUTION: A membrane filtration apparatus includes: membrane modules 1, 1having pretreatment membranes 1a for obtaining filtrate by filtering insoluble components in raw water; a reverse osmosis membrane module 2 disposed downstream of the membrane modules and having a reverse osmosis membrane separating the filtrate into concentrated water and product water; a cleaning device 3 cleaning the pretreatment membranes 1a of the membrane modules 1, 1; and a centrifugal separation device 4 removing the insoluble components from cleaning water after used for cleaning the pretreatment membranes 1a.