国家/地区 中国（7）
IPC部 B（8） C（3）
IPC大类 B01（8） C02（3）
IPC小类 B01D（8）
IPC B01D071/56（8）
发明人 WANG X（2） ZHANG Z（2）
公开年 2023（8）
申请年 2022（8）
专利权人

Preparing polyamide membrane for desalination of water from surface hydric body such as river, or for processing water for industrial reuse, involves applying dispersion of graphene oxide in ethyl alcohol, on membrane of selective polyamide layer, by spin-coating with low and high rotations.

SILVESTRE A A L, DE JESUS R B C, GOULART S G, SANTOS A M M, GOMIDE D C V, BRASIL Z Y L, DE ARAUJO CID DA SILVA R, SUHETT D S R

Preparing light-driven self-cleaning composite filter membrane useful for removing pollutant in water, comprises adjusting pH of alcohol solution of titanium dioxide nanosheets to alkali, adding silane to hydrolyze, adding graphene oxide and applying on substrate.

ZHANG X, CHEN P, ZHANG Z, FU H, HE D

Preparing composite nanofiltration membrane assembled layer-by-layer useful in seawater desalting field, comprises e.g. performing interfacial polymerization reaction on oil-aqueous phase interface region, placing composite nano-filtration membrane on container and assembling polyamide film.

LIU J, SU Y

Use of phytic acid-graphene oxide quantum dot composite as aqueous phase monomer in preparation of polyamide nanofiltration membrane.

LAN W, FANG F, HONG Y, CHEN Y

Preparing surface modified positive osmosis membrane of graphene oxide/aminated attapulgite intercalation compound useful in water treatment by loading graphene oxide/aminated attapulgite intercalated composite onto surface of polyamide active layer of polyamide compound FO membrane.

WANG X, HUANG L, WANG J, ZHOU Q, ZHAO P

High-performance nanofiltration membrane comprises base film, intermediate layer and polyamide separation layer sequentially fixed in polymethyl methacrylate frame, where intermediate layer is made of molecular sieve/graphene oxide composite material.

WANG X, LU X, LIU G, GUO S, WEI S, LIN Y, GUO Y, QIU 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 mixed film by uniformly controlling two-dimensional material-organic silicon used in dehydration and separation of pervaporation acidic solution, involves dissolving organic alkoxy silane in solvent, adding catalyst and water, hydrolyzing and polymerizing to obtain organic silica sol.

MIAO M, ZHANG Q, MAO Z, ZHANG Z, LIU R, REN J, ZHONG J, WU Z, REN X