Title:
WATER PURIFICATION SYSTEM AND WATER PURIFICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2021/177117
Kind Code:
A1
Abstract:
A water purification system (1), provided with: a first ozone injection unit (10) for injecting ozone into water (W) subject to treatment containing dissolved organic matter; an activated carbon treatment unit (20) provided with activated carbon, which comes into contact with the water (W) subject to treatment; an ion adsorption unit (30) for adsorbing the dissolved organic matter in the water (W) subject to treatment, the ion adsorption unit (30) being provided with a magnetic ion exchange resin having magnetism; a filtration unit (40) for filtering the water (W) subject to treatment and removing insoluble matter; and a circulation channel for circulating the water (W) subject to treatment, the circulation channel being provided with the first ozone injection unit (10), the activated carbon treatment unit (20), the ion adsorption unit (30), and the filtration unit (40). The water (W) subject to treatment circulates through the circulation channel so as to pass through the first ozone injection unit (10), the activated carbon treatment unit (20), the ion adsorption unit (30), and the filtration unit (40).
Inventors:
HIROTA TATSUYA
FUJITA HIROFUMI
OGAWA JUNYA
FUJITA HIROFUMI
OGAWA JUNYA
Application Number:
PCT/JP2021/006925
Publication Date:
September 10, 2021
Filing Date:
February 24, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
B01D24/00; C02F1/28; C02F1/42; C02F1/78
Foreign References:
| CN102616970A | 2012-08-01 | |||
| JP2003154362A | 2003-05-27 | |||
| JP2006272052A | 2006-10-12 | |||
| JP2002028673A | 2002-01-29 | |||
| JPH05305298A | 1993-11-19 | |||
| JPH11207392A | 1999-08-03 | |||
| JPH10504995A | 1998-05-19 | |||
| US5256299A | 1993-10-26 |
Attorney, Agent or Firm:
ITO Masakazu et al. (JP)
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