国家/地区 中国（55） 美国（5） 世界知识产权组织（3） 印度（2）
IPC部 B（63）
IPC大类 B01（63）
IPC小类 B01D（63）
IPC B01D067/00（63）
发明人 WANG Y（5） ZHANG Y（5） LI J（4）
XU Z（4） YANG L（4） ZHANG X（4）
LI W（3） UNANNOUNCED I（3） WANG L（3）
XU H（3） ZENG Z（3） ZHAO H（3）
ZHU L（3） CHEN C（2） CHEN Y（2）
公开年 2022（49） 2023（14）
申请年 2022（63）
专利权人 HUNAN YUTUO .（3） UNIV QINGDAO（3） XIXI TECHNOL.（3） NEW JERSEY I.（2）
NINGBO INST .（2） UNIV CHINA S.（2） UNIV DALIAN .（2） UNIV HEFEI T.（2）
UNIV NANJING.（2） UNIV SHANXI（2） UNIV TIANJIN.（2） UNIV TONGJI（2）

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

Separation membrane e.g. ultrapure water membrane, food and/or beverage processing membrane, municipal water membrane, comprises porous substrate layer and active layer comprising superhydrophilic agent arranged over at least portion of substrate layer.

BRETHERTONLIU K, PUGH T, FEI F

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

Carbon-based nanofiltration membrane useful for water treatment, comprises membrane surface-active layer attached to organic ultra-filtration base membrane, and modified graphene oxide sheet loaded with multiwalled carbon nanotubes and alpha-ferric oxide nanoparticle loaded on graphene oxide layer.

XU Z, HE W, LI G, HU H, ZHU H

Preparing nano-filtration membrane useful for e.g. water treatment, comprises e.g. oxidizing polypropylene microporous film to make surface hydroxylation, performing oxidation treatment by aqueous solution comprising persulfate composite, and post-processing to obtain nano membrane.

SONG P, HU L, LIU G, LIANG S

Graphene reverse osmosis composite membrane, prepared by pouring graphite oxide and silver nitrate aqueous solution into stirring device and mixing and stirring to obtain pre-coating, centrifugal washing the obtained paint.

CHEN Z, DING F, DAI H, WANG Y

Composite pervaporation desalting film comprises separating layer with separating function and organic porous base film layer for supporting.

YU Z, ZENG Z, TANG X

Preparing electrochemical self-cleaning conductive composite film used in electrically driven cross-flow pressure pool device for treating waste water containing organic macromolecule, involves dispersing graphene quantum dots and carbon nanomaterials in solvent.

WANG Y, WANG Z, GAO M, SI Y, LI W

Flash evaporation spinning gradient pore structure ultrafiltration flat membrane comprises functional layer, transition layer and support layer, where functional layer is spun on surface of transition layer by flash spinning, and transition layer is spun on surface of support layer by flash spinning.

YANG C, ZHANG H, DING Y