Title:
WATER TREATMENT SEPARATION MEMBRANE WITH IMPROVED NITRATE NITROGEN REMOVAL ABILITY, MANUFACTURING METHOD THEREFOR, AND SEPARATION MEMBRANE MODULE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/219223
Kind Code:
A1
Abstract:
The present invention relates to a water treatment separation membrane and, more specifically, to a water treatment separation membrane for home use, a manufacturing method therefor, and a separation membrane module comprising same, wherein a bulky sulfonic acid group having a high surface negative charge concentration is introduced into the membrane, so that the membrane exhibits an excellent nitrate nitrogen removal rate for raw water with a high level of hardness ingredients.
Inventors:
PARK HYUNGGYU (KR)
Application Number:
PCT/KR2023/000538
Publication Date:
November 16, 2023
Filing Date:
January 12, 2023
Export Citation:
Assignee:
TORAY ADVANCED MAT KOREA INC (KR)
International Classes:
B01D69/12; B01D61/02; B01D67/00; B01D69/10; B01D71/56; C02F1/44; C02F101/16
Foreign References:
| KR102337164B1 | 2021-12-07 | |||
| CN104289117A | 2015-01-21 | |||
| KR20100003799A | 2010-01-12 | |||
| JP2012519593A | 2012-08-30 | |||
| KR101590218B1 | 2016-02-12 | |||
| US4277344A | 1981-07-07 |
Attorney, Agent or Firm:
ERUUM & LEEON INTELLECTUAL PROPERTY LAW FIRM (KR)
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