国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3） C02（3）
IPC小类 C02F（3） B01D（2）
IPC C02F001/66（3）
发明人 ZHANG Y（3）
公开年 2023（3）
申请年 2023（2） 
专利权人 GUANGDONG ES.（2）

Composite nanofiltration membrane useful in treatment of high-salt wastewater containing dyes, comprises graphene oxide/phenolic resin nanofiltration membrane on surface of base film.

ZHANG X, ZHANG Y, QIU X, DU X, TAN H, WANG J, KE Y

Treatment of chromium-containing wastewater involves using lignin-based composite aerogel as adsorbent material, adjusting pH of chromium-containing wastewater, and removing hexavalent chromium-ion in wastewater.

ZHANG Y, ZHAO X, CHU R, GUO X

Graphene oxide composite nano-filtration membrane used in treating dye-containing high-salt wastewater, or decolorization treatment of the dye-containing high-salt wastewater, comprises base film surface embedded with high molecular nano material of graphene oxide nanofiltration film.

ZHANG X, ZHANG Y, QIU X, DU X, TAN H, WANG J, KE Y