Title:
WATER TREATMENT FILTER MATERIAL, WATER TREATMENT FILTRATION DEVICE USING SAME, AND WATER TREATMENT FILTER MATERIAL PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/262231
Kind Code:
A1
Abstract:
This water treatment filter material (1) includes: a cationic flocculant comprising at least one from among an inorganic material and a natural organic polymer material; an anionic surfactant; and a fiber sheet (3) comprising a plurality of fibers (2) that have been grouped, and carrying both the cationic flocculant and the anionic surfactant on the surface of each fiber. The water treatment filter material production method comprises a step of adhering an anionic surfactant on the surface of each of the fibers in the fiber sheet, and a step of immersing in a solution containing the cationic flocculant, the fiber sheet onto which the anionic surfactant has adhered. The water treatment filtration device (10) comprises the water treatment filter material and a filtration container unit (11) holding the water treatment filter material in the interior thereof.
Inventors:
FUJITA HIROFUMI
OGAWA JUNYA
HIROTA TATSUYA
SHIMAYAMA YOSHINOBU
OGAWA JUNYA
HIROTA TATSUYA
SHIMAYAMA YOSHINOBU
Application Number:
PCT/JP2020/024117
Publication Date:
December 30, 2020
Filing Date:
June 19, 2020
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
B01D21/01; B01D29/01; B01D39/16
Foreign References:
| JP2017144427A | 2017-08-24 | |||
| JPS60197299A | 1985-10-05 | |||
| JP2002235285A | 2002-08-23 | |||
| JP2017514035A | 2017-06-01 |
Attorney, Agent or Firm:
ITO Masakazu et al. (JP)
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