国家/地区 中国（6）
IPC部 B（6）
IPC大类 B01（6）
IPC小类 B01D（6）
IPC B01D067/00（5） C02F001/44（5） B01D061/02（3）
B01D069/02（3） B01D071/56（3） C04B035/622（2）
发明人 ZHANG Y（6）
公开年 2022（6）
申请年 2022（6）
专利权人 HUNAN YUTUO .（3）

Improving separability of reverse osmosis membrane, comprises using polyamide membrane modified by graphene oxide to separate oxidized substances in water to enhance water flux, chlorine resistance, and anti-pollution performance of polyamide membrane.

SHEN W, HE H, XU Z, YANG L, ZHANG Y

Preparation method for improving chlorine resistance of reverse osmosis membrane comprises using graphene oxide perform material modification of polyamide membrane, reducing pore size, porosity, hydrophilicity, and surface roughness of polyamide membrane modified by graphene oxide.

WANG C, XU Z, LIU W, YANG L, ZHANG Y

Graphene oxide filled mixed substrate reverse osmosis membrane used in water purification and separation process of film, chlorine resistance and pollution resistance, comprises graphene oxide embedded in polyamide layer.

LUO Y, LIU W, SHEN W, XU H, ZHANG Y

Bismuth-based photo-thermal conversion nanofiber material used for seawater desalination, wastewater treatment, and rapid evaporation of solvents, comprises ferric oxide-graphene sulfide nanoparticle, and polyvinylpyrrolidone as substrate.

FAN T, ZHANG Y, FENG Z, YANG W

Method for preparing negative pollution-resistant ceramic film used in e.g. drinking water purification, involves mixing dopamine and negatively-charged nano-additives, stirring, filtering, vacuum drying, kneading ceramic membrane blend and subjecting mud material to gradient heating and sintering.

XU Y, WANG K, CHENG X, LI J, ZHANG Y, MA J

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