Title:
WATER TREATMENT SYSTEM AND WATER TREATMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2021/246160
Kind Code:
A1
Abstract:
Provided is a feature for suitably implementing treatment of drainage water, said feature making it possible to freely expand and reduce a unit in which a purification tank and a solid-liquid separation device are mounted, a unit in which various treatment devices are mounted, etc., in accordance with the scale of a toilet or restroom or with the environment of an installation location. The present invention is a water treatment system 50 having: a first unit 100 having a contaminated-water generation source; a second unit 200 designed to purify water, the second unit 200 having at least one of a purification tank, a solid-liquid separation tank, and an oil fraction separation tank, and conducting a primary treatment of contaminated water that is received; and a third unit 300 having a contaminated-water reception port, a primary water reception tank, an intermediate treatment tank, a reserve treatment tank, a circulation treatment tank, a concentrated-discharge-water impurity reserve tank, and an aseptic drainage water tank. Each of the first to third units is equipped with a sensor and a valve. The third unit is furthermore equipped with a control device and at least one of a pump, a sterilization device, a disinfection device, and a sterilizer.
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Inventors:
IMAHASHI KAGETO (JP)
ISHIDA ISAO (JP)
ISHIDA ISAO (JP)
Application Number:
PCT/JP2021/018787
Publication Date:
December 09, 2021
Filing Date:
May 18, 2021
Export Citation:
Assignee:
OXUM INC (JP)
International Classes:
C02F3/00; C02F1/00; E03D11/00
Foreign References:
| JP2015016402A | 2015-01-29 | |||
| JP2007002490A | 2007-01-11 | |||
| JPH1077673A | 1998-03-24 | |||
| JP2015196956A | 2015-11-09 | |||
| JP2005248548A | 2005-09-15 | |||
| JPH1072858A | 1998-03-17 | |||
| JP2015196956A | 2015-11-09 |
Other References:
See also references of EP 4159690A4
Attorney, Agent or Firm:
IRIFY INTERNATIONAL PATENT FIRM (JP)
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