Title:
PREPARATION METHOD FOR AND USE OF BISMUTH ION FILTER MEMBRANE
Document Type and Number:
WIPO Patent Application WO/2024/037662
Kind Code:
A1
Abstract:
A preparation method for and the use of a bismuth ion filter membrane. The preparation method comprises the following steps: putting a filter membrane base material into a cleaner, adding a solution of a nonionic chelating agent and water thereto, treating the resulting mixture for 1-2 h, and dehydrating same after the treatment to obtain a filter membrane base material A; adding the filter membrane base material A and a bismuth-ion-chelated solution to a reaction kettle, and then adding a solution of a nonionic chelating agent thereto for a reaction, thereby obtaining a bismuth-ion-inlaid filter membrane base material after the reaction is completed; and dehydrating and drying the bismuth-ion-inlaid filter membrane base material to obtain a bismuth ion filter membrane.
Inventors:
MAK CHIKUI (CN)
Application Number:
PCT/CN2023/122776
Publication Date:
February 22, 2024
Filing Date:
September 28, 2023
Export Citation:
Assignee:
WORK TOGETHER MARKETING CONSULTANT LTD (CN)
International Classes:
B01D67/00; A41D31/30; B01D39/14; B01D46/00; B01D46/54; B01D69/02
Foreign References:
| CN116059836A | 2023-05-05 | |||
| CN114855448A | 2022-08-05 | |||
| CN115448299A | 2022-12-09 | |||
| CN106310821A | 2017-01-11 | |||
| CN111359642A | 2020-07-03 |
Attorney, Agent or Firm:
WUHAN XINCHENG JIAHE INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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