Title:
FILTER MATERIAL, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/267335
Kind Code:
A1
Abstract:
A filter material, a preparation method therefor, and an application thereof. The preparation method comprises: (1) soaking a filter material substrate in a metal salt solution at 55-70°C; (2) spraying a urea solution and/or an ammonia water solution on the surface of the soaked filter material substrate, and then spraying a hydrogen peroxide solution on the surface of the filter material substrate; and (3) performing heat treatment to obtain the filter material.
Inventors:
ZHANG ZHEN (CN)
GUO XIAOBEI (CN)
GAO ZHENG (CN)
WANG YI (CN)
YIN YILING (CN)
XU TAO (CN)
FEI CHUANJUN (CN)
YU JIABIN (CN)
KUANG XINBO (CN)
WU TAO (CN)
GUO XIAOBEI (CN)
GAO ZHENG (CN)
WANG YI (CN)
YIN YILING (CN)
XU TAO (CN)
FEI CHUANJUN (CN)
YU JIABIN (CN)
KUANG XINBO (CN)
WU TAO (CN)
Application Number:
PCT/CN2021/133271
Publication Date:
December 29, 2022
Filing Date:
November 25, 2021
Export Citation:
Assignee:
NANJING FIBERGLASS RES & DESIGN INSTITUTE CO LTD (CN)
SINOMA SCIENCE & TECH CO LTD (CN)
SINOMA SCIENCE & TECH CO LTD (CN)
International Classes:
B01D39/14; B01D46/00; B01D53/56; B01D53/86; B01J31/06; B01J35/02; B01J37/02; B01J37/08
Foreign References:
| CN113476958A | 2021-10-08 | |||
| CN109847580A | 2019-06-07 | |||
| CN103230813A | 2013-08-07 | |||
| CN103463871A | 2013-12-25 | |||
| US5051391A | 1991-09-24 | |||
| JP2017144430A | 2017-08-24 |
Attorney, Agent or Firm:
SUNSHINE INTELLECTUAL PROPERTY INTERNATIONAL CO., LTD. (CN)
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