国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D071/02（3）
发明人 ZHANG S（3）
公开年 2023（3）
申请年 2022（2） 
专利权人

Graphene separation film used in total organic carbon analyzer for testing and monitoring of purity of drinking water and process water, comprises support layer and separation layer, which is double-layer graphene film with nanopores.

ZHANG S, SUN J, YAO A, HOU D, ZHANG D, WANG L

Preparing graphene oxide composite forward osmosis membrane, comprises e.g. preparing mixed solution, vacuum-filtering mixed solution to form membrane, and drying membrane to obtain graphene oxide composite forward osmosis membrane.

ZHU J, WEN F, LI S, HE L, LIU B, GUO H, XIONG L, WANG L, ZHANG S, ZHANG Y, YIN Z, XU Y

Preparing two-dimensional ion-pair membrane useful in desalting, comprises adding vinyl-containing acid monomers to graphene oxide nanosheet dispersion, adding vinyl-containing amine monomers, performing free radical polymerization and depositing on porous substrate membrane by nanosheet assembly.

SHAO H, GU J, LI X, LI Y, ZHANG S, RAN J