国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4） C02（4）
IPC小类 B01D（4）
IPC B01D067/00（4）
发明人 HE Y（4）
公开年 2020（2）
申请年 2019（3） 
专利权人 CHENGDU SHID.（2）

Preparation of nano-filtration membrane of graphene oxide used in decoloring waste water, by coating dispersion liquid containing graphene oxide on base film, crosslinking graphene oxide by polyamine and post-treating by sodium hypochlorite.

ZHANG Y, CHEN H, DU X, ZHU X, ZHANG X, HE Y, KE Y

Preparing mixed graphene oxide nanofiltration membrane comprises e.g. mixing large-sized graphene oxide dispersion and small-sized graphene oxide dispersion, suction-filtering onto polyvinylidene fluoride support membrane, and drying.

HE Y, YU H, HOU R, ZHONG F, FAN Y, LI H, GAO Y, MA J, ZHOU L

Preparing nano-filtration membrane used in treatment of organic wastewater, by mixing graphene oxide with pure water, mixing hydrogen bromide with graphene oxide dispersion, centrifuging and filtering carboxylated graphene dispersion.

HE Y, YU H, LI H, ZHOU L, FAN Y, MA J, ZHONG F, YIN X, WANG Y

Preparing slightly reduced graphene oxide nanofiltration membrane for separation membrane, involves preparing graphene oxide nanofiltration membrane graphene oxide dispersion to obtain graphene oxide nanofiltration membrane, and irradiating.

HE Y, YU H, FAN Y, CHEN C, ZHONG F, MA J, GAO Y, HOU R