Title:
WATER SOFTENING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/032478
Kind Code:
A1
Abstract:
This water softening device (1) comprises a water softening tank (3), a neutralization tank (4), and an electrolytic tank (9). The electrolytic cell (9) produces acidic electrolyzed water for regenerating a weakly acidic cation-exchange resin (7) and alkaline electrolyzed water for regenerating a weakly basic anion-exchange resin (8). The water softening device (1) is configured to have: an acidic electrolyzed water circulation flow path through which acidic electrolyzed water circulates through the electrolytic tank (9), a first discharge port (13), the water softening tank (3), and a first water intake port (12) in this order; and an alkaline electrolyzed water circulation flow path through which alkaline electrolyzed water circulates through the electrolytic tank (9), a second discharge port (17), a neutralization tank (4), and a second water intake port (16) in this order.
Inventors:
TSUCHIDA NAOKI
MURASE HIROKI
MATSUMOTO YUI
ISHIKAWA HIROKI
NAGATA AYAKA
KATO MINATO
MARUO YUKO
SHIOI MASAHIKO
MURASE HIROKI
MATSUMOTO YUI
ISHIKAWA HIROKI
NAGATA AYAKA
KATO MINATO
MARUO YUKO
SHIOI MASAHIKO
Application Number:
PCT/JP2022/027459
Publication Date:
March 09, 2023
Filing Date:
July 12, 2022
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
B01J39/07; B01J39/18; B01J41/07; B01J41/12; B01J47/026; B01J47/028; B01J47/14; B01J49/06; B01J49/07; B01J49/08; B01J49/16; B01J49/53; B01J49/57; B01J49/75; B01J49/85; C02F1/42; C02F1/461
Domestic Patent References:
| WO2021024938A1 | 2021-02-11 |
Foreign References:
| JP2001276631A | 2001-10-09 | |||
| JP2001170628A | 2001-06-26 | |||
| JP2011030973A | 2011-02-17 | |||
| JP2010142674A | 2010-07-01 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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