Title:
CONTROLLED RELEASE SOLID FLOCCULANT AND WATER TREATMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/176405
Kind Code:
A1
Abstract:
A controlled release solid flocculant 1 which includes a solid flocculant part 10 containing a polymer flocculant, and also includes a protecting part 50 for protecting the solid flocculant part 10 from contact with water, wherein part of the surface 12 of the solid flocculant part 10 is covered by the protecting part 50. The weight-average molecular weight of the polymer flocculant is preferably at least 1,000. The flocculant surface coverage rate, which is the percentage of the surface 12 of the solid flocculant part 10 which is covered by the protecting part 50, is preferably 20-99%, inclusive.
Inventors:
YAMAGUCHI FUTA
KONAKA YOSUKE
KORI SHUNSUKE
SHIOI MASAHIKO
KONAKA YOSUKE
KORI SHUNSUKE
SHIOI MASAHIKO
Application Number:
PCT/JP2021/048670
Publication Date:
August 25, 2022
Filing Date:
December 27, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
B01D21/01; B01D21/00; C02F1/56
Foreign References:
| JP2013230418A | 2013-11-14 | |||
| CN111717974A | 2020-09-29 | |||
| JPH06246106A | 1994-09-06 | |||
| JPS62106814A | 1987-05-18 | |||
| JP2015213891A | 2015-12-03 |
Attorney, Agent or Firm:
ITO Masakazu et al. (JP)
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