PURIFICATION SYSTEM

WIPO Patent Application WO/2004/096718

A1

A purification system in which even waste water containing organic pollutions at a high concentration can be purified with high efficiency while suppressing generation of refuse. Since a dissolved oxygen supply unit is provided, oxygen can be supplied to the water to be treated in a purification tank in the form of dissolved oxygen. Furthermore, since a microorganisms sterilizing means is provided, and sterilized microorganisms can be fed back, as a supplementary nutrition source, to the water to be treated in the purification tank, activation of microorganisms is accelerated and the purification efficiency can be enhanced furthermore. As a result, clogging of a pass membrane can be prevented through reduction of solid matters even in case of waste water containing organic pollutions at a high concentration, and since the pass membrane can be used as a solid/liquid separating means, need for installing a large scale sludge settling tank is eliminated resulting in reduction of the facility cost and the space.

MORITA MICHIO (JP)
YAMAGUCHI YUKIO (JP)

PCT/JP2003/005651

November 11, 2004

May 02, 2003

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DAIEI CORP (JP)
YAMAE CORP (JP)
MORITA MICHIO (JP)
YAMAGUCHI YUKIO (JP)

C02F1/44; C02F9/00; C02F1/72; C02F1/78; (IPC1-7): C02F3/12; C02F1/44; C02F1/50

JPH10286584A	1998-10-27
JPS59216690A	1984-12-06
JP2003112193A	2003-04-15
JPH05317871A	1993-12-03
JPH07284792A	1995-10-31
JP2003190983A	2003-07-08

Kaneko, Naohisa (Aioi Insurance Toyohashi Bldg. 7th Floor 92, Ote-ch, Toyohashi-City Aichi, JP)

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