Title:
WATER PURIFICATION APPARATUS AND WATER PURIFICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2013/065358
Kind Code:
A1
Abstract:
A water purification apparatus used for well water, etc. with which the volume of water treated with a RO membrane is kept to a necessary minimum, the size of the apparatus is reduced, and running cost is reduced. The water purification apparatus comprises: a household water system (3) that is connected to the downstream side after the water has passed through a first purification unit (7) disposed downstream of the water intake unit and a second purification unit (8) disposed downstream of the first purification unit (7); and a drinking water system (4) that branches from the household water system (3) on the downstream side of the second purification unit (8) and is connected to the downstream side after the water has passed through a third purification unit (9). The first purification unit (7) is provided with at least one from among active carbon, ion exchange filters, sand filters, and nucleation unit filters. The second purification unit (8) is provided with an UF membrane and/or MF membrane. The third purification unit (9) is provided with a RO membrane and/or NF membrane.
Inventors:
MARUKI YUJI (JP)
Application Number:
PCT/JP2012/067532
Publication Date:
May 10, 2013
Filing Date:
July 10, 2012
Export Citation:
Assignee:
TAKAGI CO LTD (JP)
MARUKI YUJI (JP)
MARUKI YUJI (JP)
International Classes:
C02F1/44; B01D36/00; B01D61/04; B01D61/16; B01D61/58; C02F1/28; C02F1/42; C02F1/50; C02F1/76; C02F9/00
Domestic Patent References:
| WO2010084961A1 | 2010-07-29 |
Foreign References:
| JP2006035004A | 2006-02-09 | |||
| JPH09248429A | 1997-09-22 | |||
| JP2007245003A | 2007-09-27 | |||
| JP2010022936A | 2010-02-04 | |||
| JP2003181477A | 2003-07-02 | |||
| JP2011016100A | 2011-01-27 | |||
| JPH11319827A | 1999-11-24 |
Attorney, Agent or Firm:
DOBASHI AKIRA (JP)
Hiroshi Tsuchihashi (JP)
Hiroshi Tsuchihashi (JP)
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Claims: