国家/地区 中国（6）
IPC部 B（6） C（4）
IPC大类 B01（6） C02（3）
IPC小类 B01D（6）
IPC B01D067/00（6）
发明人 ZHANG Y（6）
公开年 2023（6）
申请年 2023（3）  2022（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

Preparing diamines and polyamines containing diphenylmethane structure with low acid consumption comprises e.g. undergoing salt-forming reaction to generate aniline salt, mixing aniline salt and formaldehyde solution for reaction, adding solution to separator, and washing organic phase with alkali.

LI C, CUI C, ZHANG H, LI Y, ZHANG Y, LIN F

Lead ion selective adsorption polyacrylonitrile ultrafiltration membrane useful in field of lead ion wastewater treatment, comprises support layer and polyacrylonitrile separation layer (including nanoparticles surface-modified by phosphoramidate compound).

YU H, ZHANG Y, PAN G, LIU Y, ZHAO M

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

Method for preparing surface grafting amino-containing graphene oxide quantum dot positive osmosis membrane used in sea water desalination, involves preparing water phase monomer solution and weighing m-phenylenediamine placed in conical bottle.

ZHANG T, ZHU B, SHAO R, WANG W, SHI H, LI P, LI N, ZHANG Y, XU Z

Preparing carboxy-containing polyaryletherketone and graphene oxide-metal-organic frameworks composite ultrafiltration membrane, comprises e.g. taking carboxy-containing polyaryletherketone as matrix and graphene oxide-metal-organic frameworks as filler and performing solution blending.

LI W, ZHANG Y, WANG Z, SHI F