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Title:
FORWARD OSMOSIS MEMBRANE AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/035555
Kind Code:
A1
Abstract:
A forward osmosis membrane and a preparation method therefor. The forward osmosis membrane has a sequentially laminated membrane structure, and comprises a hydrophilic support grid and a hydrophilic polymer membrane layer. The support grid is a nonwoven fabric or polyester screen modified by antibacterial nanoparticles, in particular a mixture of nano Ag and nano TiO2.

Inventors:
TANG CHUN (CN)
Application Number:
PCT/CN2022/078136
Publication Date:
March 16, 2023
Filing Date:
February 28, 2022
Export Citation:
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Assignee:
BEIJING BAOSHENGTONG INTERNATIONAL ELECTRIC ENGINEERING TECH CO LTD (CN)
International Classes:
B01D71/72; B01D69/12; B01D71/02; B01D71/16; B01D71/26; B01D71/38; B01D71/42; B01D71/70
Domestic Patent References:
WO2012102678A12012-08-02
Foreign References:
CN113491961A2021-10-12
CN104258738A2015-01-07
CN111974088A2020-11-24
CN104107638A2014-10-22
CN105771680A2016-07-20
CN103962015A2014-08-06
CN109012240A2018-12-18
CN106917267A2017-07-04
CN103816811A2014-05-28
CN103055713A2013-04-24
US20120043274A12012-02-23
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