Title:
SEWAGE WATER TREATMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/115476
Kind Code:
A1
Abstract:
A portable toilet unit 100 comprises a reaction tank 7 that purifies sewage water with ozone, a treated water tank 10 that stores treated water flowing from the reaction tank 7, and a circulation line 102 that circulates a portion of the treated water stored in the treated water tank 10 to the reaction tank. Moreover, the portable toilet unit 100 (sewage water treatment device) comprises an ozone concentration measurement unit that measures the ozone concentration in the gas phase portion of the reaction tank 7, and a control unit 9 0 that controls an ozone supply device 2 on the basis of the ozone concentration measured by the ozone concentration measurement unit.
Inventors:
IWAI MITSURU (JP)
ISHIZAKI MASAYA (JP)
ISHIZAKI MASAYA (JP)
Application Number:
PCT/JP2016/064628
Publication Date:
July 06, 2017
Filing Date:
May 17, 2016
Export Citation:
Assignee:
TOCHIGI NIKKA SERVICE CO LTD (JP)
International Classes:
E03D11/00; B01D61/02; C02F1/44; C02F1/78; E03D5/016; E04H1/12
Domestic Patent References:
| WO2010142655A1 | 2010-12-16 | |||
| WO2001030706A1 | 2001-05-03 |
Foreign References:
| JP2008093558A | 2008-04-24 | |||
| JP2011104523A | 2011-06-02 | |||
| JPH05269479A | 1993-10-19 | |||
| JP2005305328A | 2005-11-04 | |||
| JP2001054798A | 2001-02-27 | |||
| JP2007268469A | 2007-10-18 | |||
| JPH0871574A | 1996-03-19 | |||
| JP2005324118A | 2005-11-24 | |||
| JPH04108596A | 1992-04-09 | |||
| JP2000202471A | 2000-07-25 | |||
| JP2007099612A | 2007-04-19 |
Attorney, Agent or Firm:
KATO, Ryuta et al. (JP)
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