APPRATUS AND METHOD FOR FILTRATING OIL-CONTAINING DRAINAGE WATER, AND METHOD AND APPARATUS FOR RESTORING FILTRATION MEMBRANE DEVICE

APPRATUS AND METHOD FOR FILTRATING OIL-CONTAINING DRAINAGE WATER, AND METHOD AND APPARATUS FOR RESTORING FILTRATION MEMBRANE DEVICE

A filtering apparatus and a filtering method for waste water that contains oil that is compact and that easily prevents the adhesion of solid matters that contains oil is provided. Filtering apparatus 1 for waste water that contains oil has immersed membrane tank 2 to which waste water that contains...

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Bibliographische Detailangaben
Hauptverfasser: SASAJIMA Yasuhiro, KANAI Osamu, TAKIGUCHI Keisuke, YODEN Mitsuru
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:A filtering apparatus and a filtering method for waste water that contains oil that is compact and that easily prevents the adhesion of solid matters that contains oil is provided. Filtering apparatus 1 for waste water that contains oil has immersed membrane tank 2 to which waste water that contains oil is introduced; filter membrane apparatus 3 that is immersed with the waste water that contains oil that is introduced to immersed membrane tank 2 and that filters the waste water that contains oil; and agitator 8 that is provided in immersed membrane tank 2 and that agitates the waste water that contains oil that is introduced to immersed membrane tank 2. A method for filtering waste water that contains oil has the steps of: introducing waste water that contains oil to immersed membrane tank 2 that houses filter membrane apparatus 3, and immersing filter membrane apparatus 3 with the waste water that contains oil; and filtering the waste water that contains oil by means of filter membrane apparatus 3 while agitator 8 that is provided in immersed membrane tank 2 agitates the waste water that contains oil that is introduced to immersed membrane tank 2.